fix(install): simplify installation to only binary in /opt/nupst

- Remove all conditional migration logic
- Always completely clean /opt/nupst before installation
- Ensures only NUPST binary exists in installation directory
- Simplified service restart logic

.gitea/workflows/README.md

@@ -0,0 +1,179 @@
+# Gitea Actions Workflows
+
+This directory contains automated workflows for NUPST's CI/CD pipeline.
+
+## Workflows
+
+### CI Workflow (`ci.yml`)
+
+**Triggers:**
+
+- Push to `main` branch
+- Push to `migration/**` branches
+- Pull requests to `main`
+
+**Jobs:**
+
+1. **Type Check & Lint**
+   - Runs `deno check` for TypeScript validation
+   - Runs `deno lint` (continues on error)
+   - Runs `deno fmt --check` (continues on error)
+
+2. **Build Test (Current Platform)**
+   - Compiles for Linux x86_64 (host platform)
+   - Tests binary execution (`--version` and `help`)
+
+3. **Build All Platforms** (Main/Tags only)
+   - Compiles all 5 platform binaries
+   - Uploads as artifacts (30-day retention)
+   - Only runs on `main` branch or tags
+
+### Release Workflow (`release.yml`)
+
+**Triggers:**
+
+- Push tags matching `v*` (e.g., `v4.0.0`)
+
+**Jobs:**
+
+1. **Version Verification**
+   - Extracts version from tag
+   - Verifies `deno.json` version matches tag
+   - Fails if mismatch detected
+
+2. **Compilation**
+   - Compiles binaries for all 5 platforms:
+     - `nupst-linux-x64` (Linux x86_64)
+     - `nupst-linux-arm64` (Linux ARM64)
+     - `nupst-macos-x64` (macOS Intel)
+     - `nupst-macos-arm64` (macOS Apple Silicon)
+     - `nupst-windows-x64.exe` (Windows x64)
+
+3. **Checksums**
+   - Generates SHA256 checksums for all binaries
+   - Creates `SHA256SUMS.txt`
+
+4. **Release Creation**
+   - Creates Gitea release with tag
+   - Extracts release notes from CHANGELOG.md (if exists)
+   - Uploads all binaries + checksums as release assets
+
+## Creating a Release
+
+### Prerequisites
+
+1. Update version in `deno.json`:
+   ```json
+   {
+     "version": "4.0.0"
+   }
+   ```
+
+2. Update `CHANGELOG.md` with release notes (optional but recommended)
+
+3. Commit all changes:
+   ```bash
+   git add .
+   git commit -m "chore: bump version to 4.0.0"
+   ```
+
+### Release Process
+
+1. Create and push a tag matching the version:
+   ```bash
+   git tag v4.0.0
+   git push origin v4.0.0
+   ```
+
+2. Gitea Actions will automatically:
+   - Verify version consistency
+   - Compile all platform binaries
+   - Generate checksums
+   - Create release with binaries attached
+
+3. Monitor the workflow:
+   - Go to: `https://code.foss.global/serve.zone/nupst/actions`
+   - Check the "Release" workflow run
+
+### Manual Release (Fallback)
+
+If workflows fail, you can create a release manually:
+
+```bash
+# Compile all binaries
+bash scripts/compile-all.sh
+
+# Generate checksums
+cd dist/binaries
+sha256sum * > SHA256SUMS.txt
+cd ../..
+
+# Create release on Gitea UI
+# Upload binaries manually
+```
+
+## Troubleshooting
+
+### Version Mismatch Error
+
+If the release workflow fails with "Version mismatch":
+
+- Ensure `deno.json` version matches the git tag
+- Example: tag `v4.0.0` requires `"version": "4.0.0"` in deno.json
+
+### Compilation Errors
+
+If compilation fails:
+
+1. Test locally: `bash scripts/compile-all.sh`
+2. Check Deno version compatibility
+3. Review TypeScript errors: `deno check mod.ts`
+
+### Upload Failures
+
+If binary upload fails:
+
+1. Check Gitea Actions permissions
+2. Verify `GITHUB_TOKEN` secret exists (auto-provided by Gitea)
+3. Try manual release creation
+
+## Workflow Secrets
+
+The workflows use the following secrets:
+
+- `GITHUB_TOKEN` - Auto-provided by Gitea Actions (no setup needed)
+
+## Development
+
+### Testing Workflows Locally
+
+You can test compilation locally:
+
+```bash
+# Install Deno
+curl -fsSL https://deno.land/install.sh | sh
+
+# Test type checking
+deno check mod.ts
+
+# Test compilation
+bash scripts/compile-all.sh
+
+# Test binary
+./dist/binaries/nupst-linux-x64 --version
+```
+
+### Modifying Workflows
+
+After modifying workflows:
+
+1. Test syntax: Use a YAML validator
+2. Commit changes: `git add .gitea/workflows/`
+3. Push to feature branch first to test CI
+4. Merge to main once verified
+
+## Links
+
+- Gitea Actions Documentation: https://docs.gitea.com/usage/actions/overview
+- Deno Compile Documentation: https://docs.deno.com/runtime/manual/tools/compiler
+- NUPST Repository: https://code.foss.global/serve.zone/nupst

.gitea/workflows/ci.yml

@@ -0,0 +1,84 @@
+name: CI
+
+on:
+  push:
+    branches:
+      - main
+      - 'migration/**'
+  pull_request:
+    branches:
+      - main
+
+jobs:
+  check:
+    name: Type Check & Lint
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Set up Deno
+        uses: denoland/setup-deno@v1
+        with:
+          deno-version: v1.x
+
+      - name: Check TypeScript types
+        run: deno check mod.ts
+
+      - name: Lint code
+        run: deno lint
+        continue-on-error: true
+
+      - name: Format check
+        run: deno fmt --check
+        continue-on-error: true
+
+  build:
+    name: Build Test (Current Platform)
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Set up Deno
+        uses: denoland/setup-deno@v1
+        with:
+          deno-version: v1.x
+
+      - name: Compile for current platform
+        run: |
+          echo "Testing compilation for Linux x86_64..."
+          deno compile --allow-all --no-check \
+            --output nupst-test \
+            --target x86_64-unknown-linux-gnu mod.ts
+
+      - name: Test binary execution
+        run: |
+          chmod +x nupst-test
+          ./nupst-test --version
+          ./nupst-test help
+
+  build-all:
+    name: Build All Platforms
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Set up Deno
+        uses: denoland/setup-deno@v1
+        with:
+          deno-version: v1.x
+
+      - name: Compile all platform binaries
+        run: bash scripts/compile-all.sh
+
+      - name: Upload all binaries as artifact
+        uses: actions/upload-artifact@v3
+        with:
+          name: nupst-binaries.zip
+          path: dist/binaries/*
+          retention-days: 30

.gitea/workflows/release.yml

@@ -0,0 +1,249 @@
+name: Release
+
+on:
+  push:
+    tags:
+      - 'v*'
+
+jobs:
+  build-and-release:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - name: Set up Deno
+        uses: denoland/setup-deno@v1
+        with:
+          deno-version: v1.x
+
+      - name: Get version from tag
+        id: version
+        run: |
+          VERSION=${GITHUB_REF#refs/tags/}
+          echo "version=$VERSION" >> $GITHUB_OUTPUT
+          echo "version_number=${VERSION#v}" >> $GITHUB_OUTPUT
+          echo "Building version: $VERSION"
+
+      - name: Verify deno.json version matches tag
+        run: |
+          DENO_VERSION=$(grep -o '"version": "[^"]*"' deno.json | cut -d'"' -f4)
+          TAG_VERSION="${{ steps.version.outputs.version_number }}"
+          echo "deno.json version: $DENO_VERSION"
+          echo "Tag version: $TAG_VERSION"
+          if [ "$DENO_VERSION" != "$TAG_VERSION" ]; then
+            echo "ERROR: Version mismatch!"
+            echo "deno.json has version $DENO_VERSION but tag is $TAG_VERSION"
+            exit 1
+          fi
+
+      - name: Compile binaries for all platforms
+        run: |
+          echo "================================================"
+          echo "  NUPST Release Compilation"
+          echo "  Version: ${{ steps.version.outputs.version }}"
+          echo "================================================"
+          echo ""
+
+          # Clean up old binaries and create fresh directory
+          rm -rf dist/binaries
+          mkdir -p dist/binaries
+          echo "→ Cleaned old binaries from dist/binaries"
+          echo ""
+
+          # Linux x86_64
+          echo "→ Compiling for Linux x86_64..."
+          deno compile --allow-all --no-check \
+            --output dist/binaries/nupst-linux-x64 \
+            --target x86_64-unknown-linux-gnu mod.ts
+          echo "  ✓ Linux x86_64 complete"
+
+          # Linux ARM64
+          echo "→ Compiling for Linux ARM64..."
+          deno compile --allow-all --no-check \
+            --output dist/binaries/nupst-linux-arm64 \
+            --target aarch64-unknown-linux-gnu mod.ts
+          echo "  ✓ Linux ARM64 complete"
+
+          # macOS x86_64
+          echo "→ Compiling for macOS x86_64..."
+          deno compile --allow-all --no-check \
+            --output dist/binaries/nupst-macos-x64 \
+            --target x86_64-apple-darwin mod.ts
+          echo "  ✓ macOS x86_64 complete"
+
+          # macOS ARM64
+          echo "→ Compiling for macOS ARM64..."
+          deno compile --allow-all --no-check \
+            --output dist/binaries/nupst-macos-arm64 \
+            --target aarch64-apple-darwin mod.ts
+          echo "  ✓ macOS ARM64 complete"
+
+          # Windows x86_64
+          echo "→ Compiling for Windows x86_64..."
+          deno compile --allow-all --no-check \
+            --output dist/binaries/nupst-windows-x64.exe \
+            --target x86_64-pc-windows-msvc mod.ts
+          echo "  ✓ Windows x86_64 complete"
+
+          echo ""
+          echo "All binaries compiled successfully!"
+          ls -lh dist/binaries/
+
+      - name: Generate SHA256 checksums
+        run: |
+          cd dist/binaries
+          sha256sum * > SHA256SUMS.txt
+          cat SHA256SUMS.txt
+          cd ../..
+
+      - name: Extract changelog for this version
+        id: changelog
+        run: |
+          VERSION="${{ steps.version.outputs.version }}"
+
+          # Check if CHANGELOG.md exists
+          if [ ! -f CHANGELOG.md ]; then
+            echo "No CHANGELOG.md found, using default release notes"
+            cat > /tmp/release_notes.md << EOF
+          ## NUPST $VERSION
+
+          Pre-compiled binaries for multiple platforms.
+
+          ### Installation
+
+          Use the installation script:
+          \`\`\`bash
+          curl -sSL https://code.foss.global/serve.zone/nupst/raw/branch/main/install.sh | sudo bash
+          \`\`\`
+
+          Or download the binary for your platform and make it executable.
+
+          ### Supported Platforms
+          - Linux x86_64 (x64)
+          - Linux ARM64 (aarch64)
+          - macOS x86_64 (Intel)
+          - macOS ARM64 (Apple Silicon)
+          - Windows x86_64
+
+          ### Checksums
+          SHA256 checksums are provided in SHA256SUMS.txt
+          EOF
+          else
+            # Try to extract section for this version from CHANGELOG.md
+            # This is a simple extraction - adjust based on your CHANGELOG format
+            awk "/## \[$VERSION\]/,/## \[/" CHANGELOG.md | sed '$d' > /tmp/release_notes.md || cat > /tmp/release_notes.md << EOF
+          ## NUPST $VERSION
+
+          See CHANGELOG.md for full details.
+
+          ### Installation
+
+          Use the installation script:
+          \`\`\`bash
+          curl -sSL https://code.foss.global/serve.zone/nupst/raw/branch/main/install.sh | sudo bash
+          \`\`\`
+          EOF
+          fi
+
+          echo "Release notes:"
+          cat /tmp/release_notes.md
+
+      - name: Delete existing release if it exists
+        run: |
+          VERSION="${{ steps.version.outputs.version }}"
+
+          echo "Checking for existing release $VERSION..."
+
+          # Try to get existing release by tag
+          EXISTING_RELEASE_ID=$(curl -s \
+            -H "Authorization: token ${{ secrets.GITHUB_TOKEN }}" \
+            "https://code.foss.global/api/v1/repos/serve.zone/nupst/releases/tags/$VERSION" \
+            | jq -r '.id // empty')
+
+          if [ -n "$EXISTING_RELEASE_ID" ]; then
+            echo "Found existing release (ID: $EXISTING_RELEASE_ID), deleting..."
+            curl -X DELETE -s \
+              -H "Authorization: token ${{ secrets.GITHUB_TOKEN }}" \
+              "https://code.foss.global/api/v1/repos/serve.zone/nupst/releases/$EXISTING_RELEASE_ID"
+            echo "Existing release deleted"
+            sleep 2
+          else
+            echo "No existing release found, proceeding with creation"
+          fi
+
+      - name: Create Gitea Release
+        run: |
+          VERSION="${{ steps.version.outputs.version }}"
+          RELEASE_NOTES=$(cat /tmp/release_notes.md)
+
+          # Create the release
+          echo "Creating release for $VERSION..."
+          RELEASE_ID=$(curl -X POST -s \
+            -H "Authorization: token ${{ secrets.GITHUB_TOKEN }}" \
+            -H "Content-Type: application/json" \
+            "https://code.foss.global/api/v1/repos/serve.zone/nupst/releases" \
+            -d "{
+              \"tag_name\": \"$VERSION\",
+              \"name\": \"NUPST $VERSION\",
+              \"body\": $(jq -Rs . /tmp/release_notes.md),
+              \"draft\": false,
+              \"prerelease\": false
+            }" | jq -r '.id')
+
+          echo "Release created with ID: $RELEASE_ID"
+
+          # Upload binaries as release assets
+          for binary in dist/binaries/*; do
+            filename=$(basename "$binary")
+            echo "Uploading $filename..."
+            curl -X POST -s \
+              -H "Authorization: token ${{ secrets.GITHUB_TOKEN }}" \
+              -H "Content-Type: application/octet-stream" \
+              --data-binary "@$binary" \
+              "https://code.foss.global/api/v1/repos/serve.zone/nupst/releases/$RELEASE_ID/assets?name=$filename"
+          done
+
+          echo "All assets uploaded successfully"
+
+      - name: Clean up old releases
+        run: |
+          echo "Cleaning up old releases (keeping only last 3)..."
+
+          # Fetch all releases sorted by creation date
+          RELEASES=$(curl -s -H "Authorization: token ${{ secrets.GITHUB_TOKEN }}" \
+            "https://code.foss.global/api/v1/repos/serve.zone/nupst/releases" | \
+            jq -r 'sort_by(.created_at) | reverse | .[3:] | .[].id')
+
+          # Delete old releases
+          if [ -n "$RELEASES" ]; then
+            echo "Found releases to delete:"
+            for release_id in $RELEASES; do
+              echo "  Deleting release ID: $release_id"
+              curl -X DELETE -s -H "Authorization: token ${{ secrets.GITHUB_TOKEN }}" \
+                "https://code.foss.global/api/v1/repos/serve.zone/nupst/releases/$release_id"
+            done
+            echo "Old releases deleted successfully"
+          else
+            echo "No old releases to delete (less than 4 releases total)"
+          fi
+          echo ""
+
+      - name: Release Summary
+        run: |
+          echo "================================================"
+          echo "  Release ${{ steps.version.outputs.version }} Complete!"
+          echo "================================================"
+          echo ""
+          echo "Binaries published:"
+          ls -lh dist/binaries/
+          echo ""
+          echo "Release URL:"
+          echo "https://code.foss.global/serve.zone/nupst/releases/tag/${{ steps.version.outputs.version }}"
+          echo ""
+          echo "Installation command:"
+          echo "curl -sSL https://code.foss.global/serve.zone/nupst/raw/branch/main/install.sh | sudo bash"
+          echo ""

.gitignore

@@ -1,15 +1,18 @@
-# Build
-dist*/
+# Compiled Deno binaries (built by scripts/compile-all.sh)
+dist/binaries/
 
-# Dependencies
+# Deno cache and lock file
+.deno/
+deno.lock
+
+# Legacy Node.js artifacts (v3.x and earlier - kept for safety)
 node_modules/
-
-# Bundled Node.js binaries
 vendor/
+dist_ts/
+npm-debug.log*
 
 # Logs
 *.log
-npm-debug.log*
 
 # Environment
 .env
@@ -18,4 +21,5 @@ npm-debug.log*
 .DS_Store
 Thumbs.db
 
-.nogit/
+# Development
+.nogit/

.serena/.gitignore

@@ -0,0 +1 @@
+/cache

.serena/project.yml

@@ -0,0 +1,71 @@
+# language of the project (csharp, python, rust, java, typescript, go, cpp, or ruby)
+#  * For C, use cpp
+#  * For JavaScript, use typescript
+# Special requirements:
+#  * csharp: Requires the presence of a .sln file in the project folder.
+language: typescript
+
+# the encoding used by text files in the project
+# For a list of possible encodings, see https://docs.python.org/3.11/library/codecs.html#standard-encodings
+encoding: 'utf-8'
+
+# whether to use the project's gitignore file to ignore files
+# Added on 2025-04-07
+ignore_all_files_in_gitignore: true
+# list of additional paths to ignore
+# same syntax as gitignore, so you can use * and **
+# Was previously called `ignored_dirs`, please update your config if you are using that.
+# Added (renamed) on 2025-04-07
+ignored_paths: []
+
+# whether the project is in read-only mode
+# If set to true, all editing tools will be disabled and attempts to use them will result in an error
+# Added on 2025-04-18
+read_only: false
+
+# list of tool names to exclude. We recommend not excluding any tools, see the readme for more details.
+# Below is the complete list of tools for convenience.
+# To make sure you have the latest list of tools, and to view their descriptions,
+# execute `uv run scripts/print_tool_overview.py`.
+#
+#  * `activate_project`: Activates a project by name.
+#  * `check_onboarding_performed`: Checks whether project onboarding was already performed.
+#  * `create_text_file`: Creates/overwrites a file in the project directory.
+#  * `delete_lines`: Deletes a range of lines within a file.
+#  * `delete_memory`: Deletes a memory from Serena's project-specific memory store.
+#  * `execute_shell_command`: Executes a shell command.
+#  * `find_referencing_code_snippets`: Finds code snippets in which the symbol at the given location is referenced.
+#  * `find_referencing_symbols`: Finds symbols that reference the symbol at the given location (optionally filtered by type).
+#  * `find_symbol`: Performs a global (or local) search for symbols with/containing a given name/substring (optionally filtered by type).
+#  * `get_current_config`: Prints the current configuration of the agent, including the active and available projects, tools, contexts, and modes.
+#  * `get_symbols_overview`: Gets an overview of the top-level symbols defined in a given file.
+#  * `initial_instructions`: Gets the initial instructions for the current project.
+#     Should only be used in settings where the system prompt cannot be set,
+#     e.g. in clients you have no control over, like Claude Desktop.
+#  * `insert_after_symbol`: Inserts content after the end of the definition of a given symbol.
+#  * `insert_at_line`: Inserts content at a given line in a file.
+#  * `insert_before_symbol`: Inserts content before the beginning of the definition of a given symbol.
+#  * `list_dir`: Lists files and directories in the given directory (optionally with recursion).
+#  * `list_memories`: Lists memories in Serena's project-specific memory store.
+#  * `onboarding`: Performs onboarding (identifying the project structure and essential tasks, e.g. for testing or building).
+#  * `prepare_for_new_conversation`: Provides instructions for preparing for a new conversation (in order to continue with the necessary context).
+#  * `read_file`: Reads a file within the project directory.
+#  * `read_memory`: Reads the memory with the given name from Serena's project-specific memory store.
+#  * `remove_project`: Removes a project from the Serena configuration.
+#  * `replace_lines`: Replaces a range of lines within a file with new content.
+#  * `replace_symbol_body`: Replaces the full definition of a symbol.
+#  * `restart_language_server`: Restarts the language server, may be necessary when edits not through Serena happen.
+#  * `search_for_pattern`: Performs a search for a pattern in the project.
+#  * `summarize_changes`: Provides instructions for summarizing the changes made to the codebase.
+#  * `switch_modes`: Activates modes by providing a list of their names
+#  * `think_about_collected_information`: Thinking tool for pondering the completeness of collected information.
+#  * `think_about_task_adherence`: Thinking tool for determining whether the agent is still on track with the current task.
+#  * `think_about_whether_you_are_done`: Thinking tool for determining whether the task is truly completed.
+#  * `write_memory`: Writes a named memory (for future reference) to Serena's project-specific memory store.
+excluded_tools: []
+
+# initial prompt for the project. It will always be given to the LLM upon activating the project
+# (contrary to the memories, which are loaded on demand).
+initial_prompt: ''
+
+project_name: 'nupst'

bin/nupst

@@ -1,96 +0,0 @@
-#!/bin/bash
-
-# NUPST Launcher Script
-# This script detects architecture and OS, then runs NUPST with the appropriate Node.js binary
-
-# First, handle symlinks correctly
-REAL_SCRIPT_PATH=$(readlink -f "${BASH_SOURCE[0]}")
-SCRIPT_DIR=$(dirname "$REAL_SCRIPT_PATH")
-
-# For debugging
-# echo "Script path: $REAL_SCRIPT_PATH"
-# echo "Script dir: $SCRIPT_DIR"
-
-# If we're run via symlink from /usr/local/bin, use the hardcoded installation path
-if [[ "$SCRIPT_DIR" == "/usr/local/bin" ]]; then
-  PROJECT_ROOT="/opt/nupst"
-else
-  # Otherwise, use relative path from script location
-  PROJECT_ROOT="$( cd "$SCRIPT_DIR/.." &> /dev/null && pwd )"
-fi
-
-# For debugging
-# echo "Project root: $PROJECT_ROOT"
-
-# Detect architecture and OS
-ARCH=$(uname -m)
-OS=$(uname -s)
-
-# Determine Node.js binary location based on architecture and OS
-NODE_BIN=""
-case "$OS" in
-  Linux)
-    case "$ARCH" in
-      x86_64)
-        NODE_BIN="$PROJECT_ROOT/vendor/node-linux-x64/bin/node"
-        ;;
-      aarch64|arm64)
-        NODE_BIN="$PROJECT_ROOT/vendor/node-linux-arm64/bin/node"
-        ;;
-      *)
-        # Use system Node as fallback for other architectures
-        if command -v node &> /dev/null; then
-          NODE_BIN="node"
-          echo "Using system Node.js installation for unsupported architecture: $ARCH"
-        fi
-        ;;
-    esac
-    ;;
-  Darwin)
-    case "$ARCH" in
-      x86_64)
-        NODE_BIN="$PROJECT_ROOT/vendor/node-darwin-x64/bin/node"
-        ;;
-      arm64)
-        NODE_BIN="$PROJECT_ROOT/vendor/node-darwin-arm64/bin/node"
-        ;;
-      *)
-        # Use system Node as fallback for other architectures
-        if command -v node &> /dev/null; then
-          NODE_BIN="node"
-          echo "Using system Node.js installation for unsupported architecture: $ARCH"
-        fi
-        ;;
-    esac
-    ;;
-  *)
-    # Use system Node as fallback for other operating systems
-    if command -v node &> /dev/null; then
-      NODE_BIN="node"
-      echo "Using system Node.js installation for unsupported OS: $OS"
-    fi
-    ;;
-esac
-
-# If binary doesn't exist, try system Node as fallback
-if [ -z "$NODE_BIN" ] || [ ! -f "$NODE_BIN" ]; then
-  if command -v node &> /dev/null; then
-    NODE_BIN="node"
-    echo "Using system Node.js installation"
-  else  
-    echo "Error: Node.js binary not found for $OS-$ARCH"
-    echo "Please run the setup script or install Node.js manually."
-    exit 1
-  fi
-fi
-
-# Run NUPST with the Node.js binary
-if [ -f "$PROJECT_ROOT/dist_ts/index.js" ]; then
-  exec "$NODE_BIN" "$PROJECT_ROOT/dist_ts/index.js" "$@"
-elif [ -f "$PROJECT_ROOT/dist/index.js" ]; then
-  exec "$NODE_BIN" "$PROJECT_ROOT/dist/index.js" "$@"
-else
-  echo "Error: Could not find NUPST's index.js file."
-  echo "Please run the setup script to download the required files."
-  exit 1
-fi

changelog.md

@@ -1,12 +1,190 @@
 # Changelog
 
+## 2025-10-18 - 4.0.0 - BREAKING CHANGE(core): Complete migration to Deno runtime
+
+**MAJOR RELEASE: NUPST v4.0 is a complete rewrite powered by Deno**
+
+This release fundamentally changes NUPST's architecture from Node.js-based to Deno-based,
+distributed as pre-compiled binaries. This is a **breaking change** in terms of installation and
+distribution, but configuration files from v3.x are **fully compatible**.
+
+### Breaking Changes
+
+**Installation & Distribution:**
+
+- **Removed**: Node.js runtime dependency - NUPST no longer requires Node.js
+- **Removed**: npm package distribution (no longer published to npmjs.org)
+- **Removed**: `bin/nupst` wrapper script
+- **Removed**: `setup.sh` dependency installation
+- **Removed**: All Node.js-related files (package.json, tsconfig.json, pnpm-lock.yaml,
+  npmextra.json)
+- **Changed**: Installation now downloads pre-compiled binaries instead of cloning repository
+- **Changed**: Binary-based distribution (~340MB self-contained executables)
+
+**CLI Structure (Backward Compatible):**
+
+- **Changed**: Commands now use subcommand structure (e.g., `nupst service enable` instead of
+  `nupst enable`)
+- **Maintained**: Old command format still works with deprecation warnings for smooth migration
+- **Added**: Aliases for common commands (`nupst ls`, `nupst rm`)
+
+### New Features
+
+**Distribution & Installation:**
+
+- Pre-compiled binaries for 5 platforms:
+  - Linux x86_64
+  - Linux ARM64
+  - macOS x86_64 (Intel)
+  - macOS ARM64 (Apple Silicon)
+  - Windows x86_64
+- Automated binary releases via Gitea Actions
+- SHA256 checksum verification for all releases
+- Installation from Gitea releases via updated `install.sh`
+- Zero dependencies - completely self-contained binaries
+- Cross-platform compilation from single codebase
+
+**CI/CD Automation:**
+
+- Gitea Actions workflows for continuous integration
+- Automated release workflow triggered by git tags
+- Automatic binary compilation for all platforms on release
+- Type checking and linting in CI pipeline
+- Build verification on every push
+
+**CLI Improvements:**
+
+- New hierarchical command structure with subcommands
+- `nupst service` - Service management (enable, disable, start, stop, restart, status, logs)
+- `nupst ups` - UPS device management (add, edit, remove, list, test)
+- `nupst group` - Group management (add, edit, remove, list)
+- `nupst config show` - Display configuration
+- `nupst --version` - Show version information
+- Better help messages organized by category
+- Backward compatibility maintained with deprecation warnings
+
+**Technical Improvements:**
+
+- Deno runtime for modern TypeScript/JavaScript execution
+- Native TypeScript support without compilation step
+- Faster startup and execution compared to Node.js
+- Smaller memory footprint
+- Built-in permissions system
+- No build step required for development
+
+### Migration Guide
+
+**For Users:**
+
+1. Stop existing v3.x service: `sudo nupst disable`
+2. Install v4.0 using new installer:
+   `curl -sSL https://code.foss.global/serve.zone/nupst/raw/branch/main/install.sh | sudo bash -s -- -y`
+3. Your configuration at `/etc/nupst/config.json` is preserved and fully compatible
+4. Enable service with new CLI: `sudo nupst service enable && sudo nupst service start`
+5. Update systemd commands to use new syntax (old syntax still works with warnings)
+
+**Configuration Compatibility:**
+
+- All configuration files from v3.x work without modification
+- No changes to `/etc/nupst/config.json` format
+- All SNMP settings, thresholds, and group configurations preserved
+
+**Command Mapping:**
+
+```bash
+# Old (v3.x)              → New (v4.0)
+nupst enable              → nupst service enable
+nupst disable             → nupst service disable
+nupst start               → nupst service start
+nupst stop                → nupst service stop
+nupst status              → nupst service status
+nupst logs                → nupst service logs
+nupst add                 → nupst ups add
+nupst edit [id]           → nupst ups edit [id]
+nupst delete <id>         → nupst ups remove <id>
+nupst list                → nupst ups list
+nupst test                → nupst ups test
+nupst group add           → nupst group add (unchanged)
+nupst group edit <id>     → nupst group edit <id> (unchanged)
+nupst group delete <id>   → nupst group remove <id>
+nupst group list          → nupst group list (unchanged)
+nupst config              → nupst config show
+```
+
+### Technical Details
+
+**Commit History:**
+
+- `df6a44d`: Complete migration with Gitea Actions workflows and install.sh updates
+- `9efcc4b`: CLI reorganization with subcommand structure
+- `5903ae7`: Cross-platform compilation scripts
+- `a649c59`: Deno migration with npm: and node: specifiers
+- `5f4f3ec`: Initial migration to Deno
+
+**Files Changed:**
+
+- Removed: 11 files (package.json, tsconfig.json, pnpm-lock.yaml, npmextra.json, bin/nupst,
+  setup.sh)
+- Added: 3 Gitea Actions workflows (ci.yml, release.yml, README.md)
+- Modified: 14 TypeScript files for Deno compatibility
+- Updated: install.sh, .gitignore, readme.md
+- Net reduction: -10,242 lines (93% reduction in repository size)
+
+**Dependencies:**
+
+- Runtime: Deno v1.x (bundled in binary, no installation required)
+- SNMP: npm:net-snmp@3.20.0 (bundled in binary via npm: specifier)
+- Node.js built-ins: Accessed via node: specifier (node:fs, node:child_process, etc.)
+
+### Benefits
+
+**For Users:**
+
+- **Faster Installation**: Download single binary instead of cloning repo + installing Node.js + npm
+  dependencies
+- **Zero Dependencies**: No Node.js or npm required on target system
+- **Smaller Footprint**: Single binary vs repo + Node.js + node_modules
+- **Easier Updates**: Download new binary instead of git pull + npm install
+- **Better Security**: No npm supply chain risks, binary checksums provided
+- **Platform Support**: Official binaries for all major platforms
+
+**For Developers:**
+
+- **Modern Tooling**: Native TypeScript support without build configuration
+- **Faster Development**: No compilation step during development
+- **CI/CD Automation**: Automated releases and testing
+- **Cleaner Codebase**: 93% reduction in configuration files
+- **Cross-Platform**: Compile for all platforms from any platform
+
+### Known Issues
+
+- Windows ARM64 not supported (Deno limitation)
+- Binary sizes are larger (~340MB) due to bundled runtime (trade-off for zero dependencies)
+- First-time execution may be slower on some systems (binary extraction)
+
+### Acknowledgments
+
+This release represents a complete modernization of NUPST's infrastructure while maintaining full
+backward compatibility for user configurations. Special thanks to the Deno team for creating an
+excellent runtime that made this migration possible.
+
+---
+
+## 2025-03-28 - 3.1.2 - fix(cli/ups-handler)
+
+Improve UPS device listing table formatting for better column alignment
+
+- Adjusted header spacing for the Host column and overall table alignment in the UPS handler output.
+
 ## 2025-03-28 - 3.1.1 - fix(cli)
+
 Improve table header formatting in group and UPS listings
 
 - Adjusted column padding in group listing for proper alignment
 - Fixed UPS table header spacing for consistent CLI output
 
 ## 2025-03-28 - 3.1.0 - feat(cli)
+
 Refactor CLI commands to use dedicated handlers for UPS, group, and service management
 
 - Extracted UPS-related CLI logic into a new UpsHandler
@@ -16,28 +194,38 @@ Refactor CLI commands to use dedicated handlers for UPS, group, and service mana
 - Exposed getters for the new handlers in the Nupst class
 
 ## 2025-03-28 - 3.0.1 - fix(cli)
-Simplify UPS ID generation by removing the redundant promptForUniqueUpsId function in the CLI module and replacing it with the shortId helper.
+
+Simplify UPS ID generation by removing the redundant promptForUniqueUpsId function in the CLI module
+and replacing it with the shortId helper.
 
 - Deleted the unused promptForUniqueUpsId method from ts/cli.ts.
 - Updated UPS configuration to generate a unique ID directly using helpers.shortId().
 - Improved code clarity by removing unnecessary interactive prompts for UPS IDs.
 
 ## 2025-03-28 - 3.0.0 - BREAKING CHANGE(core)
-Add multi-UPS support and group management; update CLI, configuration and documentation to support multiple UPS devices with group modes
 
-- Implemented multi-UPS configuration with an array of UPS devices and groups in the configuration file
-- Added group management commands (group add, edit, delete, list) with redundant and non-redundant modes
-- Revamped CLI command parsing for UPS management (add, edit, delete, list, setup) and group subcommands
+Add multi-UPS support and group management; update CLI, configuration and documentation to support
+multiple UPS devices with group modes
+
+- Implemented multi-UPS configuration with an array of UPS devices and groups in the configuration
+  file
+- Added group management commands (group add, edit, delete, list) with redundant and non-redundant
+  modes
+- Revamped CLI command parsing for UPS management (add, edit, delete, list, setup) and group
+  subcommands
 - Updated readme and documentation to reflect new configuration structure and features
 - Enhanced logging and status display for multiple UPS devices
 
 ## 2025-03-26 - 2.6.17 - fix(logger)
-Preserve logbox width after logBoxEnd so that subsequent logBoxLine calls continue using the set width.
+
+Preserve logbox width after logBoxEnd so that subsequent logBoxLine calls continue using the set
+width.
 
 - Removed the reset of currentBoxWidth in logBoxEnd to allow persistent width across logbox calls.
 - Ensures that logBoxLine uses the previously set width when no new width is provided.
 
 ## 2025-03-26 - 2.6.16 - fix(cli)
+
 Improve CLI logging consistency by replacing direct console output with unified logger calls.
 
 - Replaced console.log and console.error with logger.log and logger.error in CLI commands
@@ -45,42 +233,51 @@ Improve CLI logging consistency by replacing direct console output with unified
 - Enhanced consistency of log output throughout the ts/cli.ts file
 
 ## 2025-03-26 - 2.6.15 - fix(logger)
+
 Replace direct console logging with unified logger interface for consistent formatting
 
-- Substitute console.log, console.error, and related calls with logger methods in cli, daemon, systemd, nupst, and index modules
+- Substitute console.log, console.error, and related calls with logger methods in cli, daemon,
+  systemd, nupst, and index modules
 - Integrate logBox formatting for structured output and consistent log presentation
 - Update test expectations in test.logger.ts to check for standardized error messages
 - Refactor logging calls throughout the codebase for improved clarity and maintainability
 
 ## 2025-03-26 - 2.6.14 - fix(systemd)
+
 Shorten closing log divider in systemd service installation output for consistent formatting.
 
 - Replaced the overly long footer with a shorter one in ts/systemd.ts.
 - This change improves log readability without affecting functionality.
 
 ## 2025-03-26 - 2.6.13 - fix(cli)
+
 Fix CLI update output box formatting
 
 - Adjusted the closing box line in the update process log messages for consistent visual formatting
 
 ## 2025-03-26 - 2.6.12 - fix(systemd)
+
 Adjust logging border in systemd service installation output
 
 - Updated the closing border line for consistent output formatting in ts/systemd.ts
 
 ## 2025-03-26 - 2.6.11 - fix(cli, systemd)
+
 Adjust log formatting for consistent output in CLI and systemd commands
 
 - Fixed spacing issues in service installation and status log messages in the systemd module.
 - Revised output formatting in the CLI to improve message clarity.
 
 ## 2025-03-26 - 2.6.10 - fix(daemon)
+
 Adjust console log box formatting for consistent output in daemon status messages
 
-- Updated closing box borders to align properly in configuration error, periodic updates, and UPS status logs
+- Updated closing box borders to align properly in configuration error, periodic updates, and UPS
+  status logs
 - Improved visual consistency in log messages
 
 ## 2025-03-26 - 2.6.9 - fix(cli)
+
 Improve console output formatting for status banners and logging messages
 
 - Standardize banner messages in daemon status updates
@@ -88,19 +285,23 @@ Improve console output formatting for status banners and logging messages
 - Update UPS connection and status banners in systemd
 
 ## 2025-03-26 - 2.6.8 - fix(cli)
-Improve CLI formatting, refine debug option filtering, and remove unused dgram import in SNMP manager
+
+Improve CLI formatting, refine debug option filtering, and remove unused dgram import in SNMP
+manager
 
 - Standardize whitespace and formatting in ts/cli.ts for consistency
 - Refine argument filtering for debug mode and prompt messages
 - Remove unused 'dgram' import from ts/snmp/manager.ts
 
 ## 2025-03-26 - 2.6.7 - fix(setup.sh)
+
 Clarify net-snmp dependency installation message in setup.sh
 
 - Updated echo statement to indicate installation of net-snmp along with 2 subdependencies
 - Improves clarity on dependency installation during setup
 
 ## 2025-03-26 - 2.6.6 - fix(setup.sh)
+
 Improve setup script to detect and execute npm-cli.js directly using the Node.js binary
 
 - Replace use of the npm binary with direct execution of npm-cli.js
@@ -108,14 +309,18 @@ Improve setup script to detect and execute npm-cli.js directly using the Node.js
 - Simplify cleanup by removing unnecessary PATH modifications
 
 ## 2025-03-26 - 2.6.5 - fix(daemon, setup)
-Improve shutdown command detection and fallback logic; update setup script to use absolute Node/npm paths
+
+Improve shutdown command detection and fallback logic; update setup script to use absolute Node/npm
+paths
 
 - Use execFileAsync to execute shutdown commands reliably
 - Add multiple fallback alternatives for shutdown and emergency shutdown handling
 - Update setup.sh to log the Node and NPM versions using absolute paths without modifying PATH
 
 ## 2025-03-26 - 2.6.4 - fix(setup)
-Improve installation process in setup script by cleaning up package files and ensuring a minimal net-snmp dependency installation.
+
+Improve installation process in setup script by cleaning up package files and ensuring a minimal
+net-snmp dependency installation.
 
 - Remove existing package-lock.json along with node_modules to prevent stale artifacts.
 - Back up the original package.json before modifying it.
@@ -124,13 +329,16 @@ Improve installation process in setup script by cleaning up package files and en
 - Restore the original package.json if the installation fails.
 
 ## 2025-03-26 - 2.6.3 - fix(setup)
-Update setup script to install only net-snmp dependency and create a minimal package-lock.json for better dependency control.
+
+Update setup script to install only net-snmp dependency and create a minimal package-lock.json for
+better dependency control.
 
 - Removed full production dependency install in favor of installing only net-snmp@3.20.0
 - Added verification step to confirm net-snmp installation
 - Generate a minimal package-lock.json if one does not exist
 
 ## 2025-03-26 - 2.6.2 - fix(setup/readme)
+
 Improve force update instructions and dependency installation process in setup.sh and readme.md
 
 - Clarify force update commands with explicit paths in readme.md
@@ -138,13 +346,16 @@ Improve force update instructions and dependency installation process in setup.s
 - Switch from 'npm ci --only=production' to 'npm install --omit=dev' with updated error instructions
 
 ## 2025-03-26 - 2.6.1 - fix(setup)
-Update setup.sh to temporarily add vendor Node.js binary to PATH for dependency installation, log Node and npm versions, and restore the original PATH afterwards.
+
+Update setup.sh to temporarily add vendor Node.js binary to PATH for dependency installation, log
+Node and npm versions, and restore the original PATH afterwards.
 
 - Temporarily prepend vendor Node.js binary directory to PATH to ensure proper npm execution.
 - Log Node.js and npm versions for debugging purposes.
 - Restore the original PATH after installing dependencies.
 
 ## 2025-03-26 - 2.6.0 - feat(setup)
+
 Add --force update flag to setup script and update installation instructions
 
 - Implemented --force option in setup.sh to force-update Node.js binary and dependencies
@@ -152,27 +363,33 @@ Add --force update flag to setup script and update installation instructions
 - Modified ts/cli.ts update command to pass the --force flag to setup.sh
 
 ## 2025-03-26 - 2.5.2 - fix(installer)
+
 Improve Node.js binary detection, dependency management, and SNMPv3 fallback logic
 
-- Enhanced bin/nupst to detect OS and architecture (Linux and Darwin) and fall back to system Node.js for unsupported platforms
+- Enhanced bin/nupst to detect OS and architecture (Linux and Darwin) and fall back to system
+  Node.js for unsupported platforms
 - Moved net-snmp from devDependencies to dependencies in package.json
 - Updated setup.sh to install production dependencies and handle installation errors gracefully
 - Refined SNMPv3 user configuration and fallback mechanism in ts/snmp/manager.ts
 - Revised README to clarify minimal runtime dependencies and secure SNMP features
 
 ## 2025-03-25 - 2.5.1 - fix(snmp)
+
 Fix Eaton UPS support by updating power status OID and adjusting battery runtime conversion.
 
-- Updated Eaton UPS power status OID to '1.3.6.1.4.1.534.1.4.4.0' to correctly detect online/battery status.
+- Updated Eaton UPS power status OID to '1.3.6.1.4.1.534.1.4.4.0' to correctly detect online/battery
+  status.
 - Added conversion for Eaton UPS battery runtime from seconds to minutes in SNMP manager.
 
 ## 2025-03-25 - 2.5.0 - feat(cli)
+
 Automatically restart running NUPST service after configuration changes in interactive setup
 
 - Added restartServiceIfRunning() to check and restart the service if it's active.
 - Invoked the restart function post-setup to apply configuration changes immediately.
 
 ## 2025-03-25 - 2.4.8 - fix(installer)
+
 Improve Git dependency handling and repository cloning in install.sh
 
 - Add explicit check for git installation and prompt the user interactively if git is missing.
@@ -180,23 +397,30 @@ Improve Git dependency handling and repository cloning in install.sh
 - Ensure proper cloning of the repository when running the installer outside the repo.
 
 ## 2025-03-25 - 2.4.7 - fix(readme)
+
 Update installation instructions to combine download and execution into a single command for clarity
 
 - Method 1 now uses a unified one-line command to download and run the install script
 
 ## 2025-03-25 - 2.4.6 - fix(installer)
+
 Improve installation instructions for interactive and non-interactive setups
 
-- Changed install.sh to require explicit download of the install script and updated error messages for non-interactive modes
+- Changed install.sh to require explicit download of the install script and updated error messages
+  for non-interactive modes
 - Updated readme.md to include three distinct installation methods with clear command examples
 
 ## 2025-03-25 - 2.4.5 - fix(install)
+
 Improve interactive terminal detection and update installation instructions
 
-- Enhanced install.sh to better detect non-interactive environments and provide clearer guidance for both interactive and non-interactive installations
-- Updated README.md quick install instructions to recommend process substitution and clarify auto-yes usage
+- Enhanced install.sh to better detect non-interactive environments and provide clearer guidance for
+  both interactive and non-interactive installations
+- Updated README.md quick install instructions to recommend process substitution and clarify
+  auto-yes usage
 
 ## 2025-03-25 - 2.4.4 - fix(install)
+
 Improve interactive mode detection and non-interactive installation handling in install.sh
 
 - Detect and warn when running without a controlling terminal
@@ -205,86 +429,116 @@ Improve interactive mode detection and non-interactive installation handling in
 - Clarify installation instructions in readme for interactive and non-interactive modes
 
 ## 2025-03-25 - 2.4.3 - fix(readme)
+
 Update Quick Install command syntax in readme for auto-yes installation
 
-- Changed installation command to use: curl -sSL https://code.foss.global/serve.zone/nupst/raw/branch/main/install.sh | sudo bash -c "bash -s -- -y"
+- Changed installation command to use: curl -sSL
+  https://code.foss.global/serve.zone/nupst/raw/branch/main/install.sh | sudo bash -c "bash -s --
+  -y"
 
 ## 2025-03-25 - 2.4.2 - fix(daemon)
-Refactor shutdown initiation logic in daemon by moving the initiateShutdown and monitorDuringShutdown methods from the SNMP manager to the daemon, and update calls accordingly
+
+Refactor shutdown initiation logic in daemon by moving the initiateShutdown and
+monitorDuringShutdown methods from the SNMP manager to the daemon, and update calls accordingly
 
 - Moved initiateShutdown and monitorDuringShutdown to the daemon class for improved cohesion
 - Updated references in the daemon to call its own shutdown method instead of the SNMP manager
 - Removed redundant initiateShutdown method from the SNMP manager
 
 ## 2025-03-25 - 2.4.1 - fix(docs)
+
 Update readme with detailed legal and trademark guidance
 
 - Clarified legal section by adding trademark and company information
 - Ensured users understand that licensing terms do not imply endorsement by the company
 
 ## 2025-03-25 - 2.4.0 - feat(installer)
+
 Add auto-yes flag to installer and update installation documentation
 
-- Enhance install.sh to parse -y/--yes and -h/--help options, automating git installation when auto-yes is provided
+- Enhance install.sh to parse -y/--yes and -h/--help options, automating git installation when
+  auto-yes is provided
 - Improve user prompts for dependency installation and provide clearer instructions
-- Update readme.md to document new installer options and enhanced file system and service changes details
+- Update readme.md to document new installer options and enhanced file system and service changes
+  details
 
 ## 2025-03-25 - 2.3.0 - feat(installer/cli)
-Add OS detection and git auto-installation support to install.sh and improve service setup prompt in CLI
 
-- Implemented helper functions in install.sh to detect OS type and automatically install git if missing
+Add OS detection and git auto-installation support to install.sh and improve service setup prompt in
+CLI
+
+- Implemented helper functions in install.sh to detect OS type and automatically install git if
+  missing
 - Prompt user for git installation if not present before cloning the repository
 - Enhanced CLI service setup flow to offer starting the NUPST service immediately after installation
 
 ## 2025-03-25 - 2.2.0 - feat(cli)
+
 Add 'config' command to display current configuration and update CLI help
 
 - Introduce new 'config' command to show SNMP settings, thresholds, and configuration file location
 - Update help text to include details for 'nupst config' command
 
 ## 2025-03-25 - 2.1.0 - feat(cli)
+
 Add uninstall command to CLI and update shutdown delay for graceful VM shutdown
 
 - Implement uninstall command in ts/cli.ts that locates and executes uninstall.sh with user prompts
 - Update uninstall.sh to support environment variables for configuration and repository removal
-- Increase shutdown delay in ts/snmp/manager.ts from 1 minute to 5 minutes to allow VMs more time to shut down
+- Increase shutdown delay in ts/snmp/manager.ts from 1 minute to 5 minutes to allow VMs more time to
+  shut down
 
 ## 2025-03-25 - 2.0.1 - fix(cli/systemd)
+
 Fix status command to pass debug flag and improve systemd status logging output
 
 - ts/cli.ts: Now extracts debug options from process arguments and passes debug mode to getStatus.
-- ts/systemd.ts: Updated getStatus to accept a debugMode parameter, enabling detailed SNMP debug logging, explicitly reloading configuration, and printing connection details.
+- ts/systemd.ts: Updated getStatus to accept a debugMode parameter, enabling detailed SNMP debug
+  logging, explicitly reloading configuration, and printing connection details.
 
 ## 2025-03-25 - 2.0.0 - BREAKING CHANGE(snmp)
+
 refactor: update SNMP type definitions and interface names for consistency
 
-- Renamed SnmpConfig to ISnmpConfig, OIDSet to IOidSet, UpsStatus to IUpsStatus, and UpsModel to TUpsModel in ts/snmp/types.ts.
-- Updated internal references in ts/daemon.ts, ts/snmp/index.ts, ts/snmp/manager.ts, ts/snmp/oid-sets.ts, ts/snmp/packet-creator.ts, and ts/snmp/packet-parser.ts to use the new interface names.
+- Renamed SnmpConfig to ISnmpConfig, OIDSet to IOidSet, UpsStatus to IUpsStatus, and UpsModel to
+  TUpsModel in ts/snmp/types.ts.
+- Updated internal references in ts/daemon.ts, ts/snmp/index.ts, ts/snmp/manager.ts,
+  ts/snmp/oid-sets.ts, ts/snmp/packet-creator.ts, and ts/snmp/packet-parser.ts to use the new
+  interface names.
 
 ## 2025-03-25 - 1.10.1 - fix(systemd/readme)
+
 Improve README documentation and fix UPS status retrieval in systemd service
 
-- Updated README features and installation instructions to clarify SNMP version support, UPS models, and configuration
-- Modified default SNMP host to '192.168.1.100' and added 'upsModel' property in configuration examples
+- Updated README features and installation instructions to clarify SNMP version support, UPS models,
+  and configuration
+- Modified default SNMP host to '192.168.1.100' and added 'upsModel' property in configuration
+  examples
 - Enhanced instructions for real-time log viewing and update process in README
 - Fixed systemd.ts to use a test configuration with an appropriate timeout when fetching UPS status
 
 ## 2025-03-25 - 1.10.0 - feat(core)
+
 Add update checking and version logging across startup components
 
-- In daemon.ts, log version info on startup and check for updates in the background using npm registry response
-- In nupst.ts, implement getVersion, checkForUpdates, getUpdateStatus, and compareVersions functions with update notifications
+- In daemon.ts, log version info on startup and check for updates in the background using npm
+  registry response
+- In nupst.ts, implement getVersion, checkForUpdates, getUpdateStatus, and compareVersions functions
+  with update notifications
 - Establish bidirectional reference between Nupst and NupstSnmp to support version logging
 - Update systemd service status output to include version information
 
 ## 2025-03-25 - 1.9.0 - feat(cli)
+
 Add update command to CLI to update NUPST from repository and refresh the systemd service
 
 - Integrate 'update' subcommand in CLI command parser
 - Update documentation and help output to include new command
-- Implement update process that fetches changes from git, runs install.sh/setup.sh, and refreshes systemd service if installed
+- Implement update process that fetches changes from git, runs install.sh/setup.sh, and refreshes
+  systemd service if installed
 
 ## 2025-03-25 - 1.8.2 - fix(cli)
+
 Refactor logs command to use child_process spawn for real-time log tailing
 
 - Replaced execSync call with spawn to properly follow logs
@@ -292,12 +546,15 @@ Refactor logs command to use child_process spawn for real-time log tailing
 - Await the child process exit to ensure clean shutdown of the CLI log command
 
 ## 2025-03-25 - 1.8.1 - fix(systemd)
+
 Update ExecStart in systemd service template to use /opt/nupst/bin/nupst for daemon startup
 
-- Changed ExecStart from '/usr/bin/nupst daemon-start' to '/opt/nupst/bin/nupst daemon-start' in the systemd service file
+- Changed ExecStart from '/usr/bin/nupst daemon-start' to '/opt/nupst/bin/nupst daemon-start' in the
+  systemd service file
 - Ensures the service uses the correct binary installation path
 
 ## 2025-03-25 - 1.8.0 - feat(core)
+
 Enhance SNMP module and interactive CLI setup for UPS shutdown
 
 - Refactored SNMP packet parsing and encoding utilities for clearer error handling and debugging
@@ -306,22 +563,28 @@ Enhance SNMP module and interactive CLI setup for UPS shutdown
 - Expanded test coverage with simulated SNMP responses for various response types
 
 ## 2025-03-25 - 1.7.6 - fix(core)
+
 Refactor SNMP, systemd, and CLI modules to improve error handling, logging, and code clarity
 
 - Removed unused dependency 'net-snmp' from package.json
-- Extracted helper functions for SNMP packet creation and parsing (using SnmpEncoder, SnmpPacketCreator and SnmpPacketParser)
-- Improved debug logging and added detailed documentation comments across SNMP, systemd, CLI and daemon modules
+- Extracted helper functions for SNMP packet creation and parsing (using SnmpEncoder,
+  SnmpPacketCreator and SnmpPacketParser)
+- Improved debug logging and added detailed documentation comments across SNMP, systemd, CLI and
+  daemon modules
 - Refactored systemd service management to extract status display and service disabling logic
 - Updated test suite to use proper modular methods from the new SNMP utilities
 
 ## 2025-03-25 - 1.7.5 - fix(cli)
-Enable SNMP debug mode in CLI commands and update debug flag handling in daemon-start and test; bump version to 1.7.4
+
+Enable SNMP debug mode in CLI commands and update debug flag handling in daemon-start and test; bump
+version to 1.7.4
 
 - Call enableDebug() on SNMP client earlier in command parsing
 - Pass debug flag to 'daemon-start' and 'test' commands for consistent debug output
 - Update package version from 1.7.3 to 1.7.4
 
 ## 2025-03-25 - 1.7.3 - fix(SNMP)
+
 Refine SNMP packet creation and response parsing for more reliable UPS status monitoring
 
 - Improve error handling and fallback logic when parsing SNMP responses
@@ -329,13 +592,16 @@ Refine SNMP packet creation and response parsing for more reliable UPS status mo
 - Enhance test coverage for various UPS scenarios
 
 ## 2025-03-25 - 1.7.2 - fix(core)
-Refactor internal SNMP response parsing and enhance daemon logging for improved error reporting and clarity.
+
+Refactor internal SNMP response parsing and enhance daemon logging for improved error reporting and
+clarity.
 
 - Improved fallback and error handling in SNMP response parsing
 - Enhanced logging messages in daemon and systemd service management
 - Minor refactoring for better maintainability without functional changes
 
 ## 2025-03-25 - 1.7.1 - fix(snmp-cli)
+
 Improve SNMP response parsing and CLI UPS connection timeout handling
 
 - Expand parsing loop in SNMP responses to capture Gauge32 and Timeticks values
@@ -343,14 +609,17 @@ Improve SNMP response parsing and CLI UPS connection timeout handling
 - Configure CLI test commands to use a shortened timeout for UPS connection tests
 
 ## 2025-03-25 - 1.7.0 - feat(SNMP/UPS)
+
 Add UPS model selection and custom OIDs support to handle different UPS brands
 
 - Introduce distinct OID sets for CyberPower, APC, Eaton, TrippLite, Liebert, and a custom option
 - Update interactive setup to prompt for UPS model selection and custom OID entry when needed
-- Refactor SNMP status retrieval to dynamically select the appropriate OIDs based on the configured UPS model
+- Refactor SNMP status retrieval to dynamically select the appropriate OIDs based on the configured
+  UPS model
 - Extend default configuration with an upsModel property for consistent behavior
 
 ## 2025-03-25 - 1.6.0 - feat(cli,snmp)
+
 Enhance debug logging and add debug mode support in CLI and SNMP modules
 
 - Enable debug flags (--debug, -d) in CLI to trigger detailed SNMP logging
@@ -359,6 +628,7 @@ Enhance debug logging and add debug mode support in CLI and SNMP modules
 - Improve timeout and discovery logging details for streamlined troubleshooting
 
 ## 2025-03-25 - 1.5.0 - feat(cli)
+
 Enhance CLI output: display SNMPv3 auth/priv details and support timeout customization during setup
 
 - Display authentication and privacy protocol details when SNMP version is 3
@@ -367,10 +637,11 @@ Enhance CLI output: display SNMPv3 auth/priv details and support timeout customi
 - Allow users to customize SNMP timeout during interactive setup
 
 ## 2025-03-25 - 1.4.1 - fix(version)
+
 Bump patch version for consistency with commit info
 
-
 ## 2025-03-25 - 1.4.0 - feat(snmp)
+
 Implement native SNMPv3 support with simulated encryption and enhanced authentication handling.
 
 - Add fully native SNMPv3 GET request implementation replacing the snmpwalk fallback
@@ -379,12 +650,14 @@ Implement native SNMPv3 support with simulated encryption and enhanced authentic
 - Introduce detailed security parameter management for SNMPv3
 
 ## 2025-03-25 - 1.3.1 - fix(cli)
+
 Remove redundant SNMP tools checks in CLI and Systemd modules
 
 - Eliminate unnecessary snmpwalk dependency checks in the test command and interactive setup flow.
 - Adjust systemd configuration file check to avoid external dependency verification.
 
 ## 2025-03-25 - 1.3.0 - feat(cli)
+
 add test command to verify UPS SNMP configuration and connectivity
 
 - Introduce a new 'test' command in the CLI to check the SNMP configuration and UPS connection.
@@ -392,6 +665,7 @@ add test command to verify UPS SNMP configuration and connectivity
 - Output UPS status details and compare against defined shutdown thresholds.
 
 ## 2025-03-25 - 1.2.6 - fix(cli)
+
 Refactor interactive setup to use dynamic import for readline and ensure proper cleanup
 
 - Replaced synchronous require() with async import for ESM compatibility
@@ -399,13 +673,16 @@ Refactor interactive setup to use dynamic import for readline and ensure proper
 - Enhanced error logging by outputting error.message
 
 ## 2025-03-25 - 1.2.5 - fix(error-handling)
-Improve error handling in CLI, daemon, and systemd lifecycle management with enhanced logging for configuration issues
+
+Improve error handling in CLI, daemon, and systemd lifecycle management with enhanced logging for
+configuration issues
 
 - Wrap daemon and service start commands in try-catch blocks to properly handle and log errors
 - Throw explicit errors when configuration file is missing instead of silently defaulting
 - Enhance log messages for service installation, startup, and status retrieval for clearer debugging
 
 ## 2025-03-25 - 1.2.4 - fix(cli/daemon)
+
 Improve logging and user feedback in interactive setup and UPS monitoring
 
 - Refactor configuration summary output in the interactive setup for clearer display
@@ -413,17 +690,20 @@ Improve logging and user feedback in interactive setup and UPS monitoring
 - Improve error messages and user guidance during configuration and monitoring
 
 ## 2025-03-24 - 1.2.3 - fix(nupst)
+
 No changes
 
-
 ## 2025-03-24 - 1.2.2 - fix(bin/nupst)
-Improve symlink resolution in launcher script to correctly determine project root based on execution path.
+
+Improve symlink resolution in launcher script to correctly determine project root based on execution
+path.
 
 - Replace directory determination with readlink for accurate symlink resolution
 - Set project root to '/opt/nupst' when script is run via symlink from /usr/local/bin
 - Add debugging comments to assist with path resolution
 
 ## 2025-03-24 - 1.2.1 - fix(bin)
+
 Simplify Node.js binary detection in installation script
 
 - Directly set Node binary path to vendor/node-linux-x64/bin/node
@@ -431,59 +711,78 @@ Simplify Node.js binary detection in installation script
 - Fallback to system Node if vendor binary is not found
 
 ## 2025-03-24 - 1.2.0 - feat(installer)
+
 Improve Node.js binary detection and dynamic LTS version retrieval in setup scripts
 
-- Enhanced bin/nupst to search multiple possible locations for the Node.js binary and fallback to system node if necessary
-- Updated setup.sh to fetch the latest LTS Node.js version from nodejs.org and use a fallback version when the request fails
+- Enhanced bin/nupst to search multiple possible locations for the Node.js binary and fallback to
+  system node if necessary
+- Updated setup.sh to fetch the latest LTS Node.js version from nodejs.org and use a fallback
+  version when the request fails
 
 ## 2025-03-24 - 1.1.2 - fix(setup.sh)
-Improve error handling in setup.sh: exit immediately when the downloaded npm package lacks the dist_ts directory, removing the fallback build-from-source mechanism.
+
+Improve error handling in setup.sh: exit immediately when the downloaded npm package lacks the
+dist_ts directory, removing the fallback build-from-source mechanism.
 
 - Removed BUILD_FROM_SOURCE logic that attempted to build from source on missing dist_ts directory
 - Updated error messages to clearly indicate failure in downloading a valid package
 - Ensured installation halts if essential files are missing
 
 ## 2025-03-24 - 1.1.1 - fix(package.json)
+
 Remove unused prepublishOnly script and update files field in package.json
 
 - Removed prepublishOnly build trigger
 - Updated files list to accurately include intended directories and files
 
 ## 2025-03-24 - 1.1.0 - feat(installer-setup)
+
 Enhance installer and setup scripts for improved global installation and artifact management
 
-- Detect piped installation in install.sh, clone repository automatically, and clean up previous installations
+- Detect piped installation in install.sh, clone repository automatically, and clean up previous
+  installations
 - Update readme.md with correct repository URL and clearer installation instructions
-- Improve setup.sh to remove existing dist_ts, download build artifacts from the npm registry, and simplify dependency installation
+- Improve setup.sh to remove existing dist_ts, download build artifacts from the npm registry, and
+  simplify dependency installation
 
 ## 2025-03-24 - 1.0.1 - fix(version)
+
 Bump version to 1.0.1
 
 - Updated commitinfo data to reflect the new patch version.
 - Synchronized version information between commitinfo file and package metadata.
 
 ## 2025-03-24 - 1.0.1 - fix(build)
-Update build script to use 'tsbuild tsfolders --allowimplicitany' and adjust distribution paths in .gitignore
+
+Update build script to use 'tsbuild tsfolders --allowimplicitany' and adjust distribution paths in
+.gitignore
 
 - Replaced 'tsc' with 'tsbuild tsfolders --allowimplicitany' in package.json
 - Updated .gitignore to reflect new compiled distribution folder pattern
 - Updated changelog to document build improvements and regenerated type definitions
 
 ## 2025-03-24 - 1.0.1 - fix(build)
-Update build script to use 'tsbuild tsfolders --allowimplicitany' and regenerate distribution type definitions for CLI, daemon, index, nupst, snmp, and systemd modules
+
+Update build script to use 'tsbuild tsfolders --allowimplicitany' and regenerate distribution type
+definitions for CLI, daemon, index, nupst, snmp, and systemd modules
 
 - Replaced 'tsc' command with tsbuild in package.json
 - Updated .gitignore to reflect new compiled distribution folder pattern
-- Added new dist_ts files including .d.ts type definitions and compiled JavaScript for multiple modules
+- Added new dist_ts files including .d.ts type definitions and compiled JavaScript for multiple
+  modules
 
 ## 2025-03-24 - 1.0.1 - fix(build)
-Update build script to use 'tsbuild tsfolders --allowimplicitany' and regenerate distribution type definitions for CLI, daemon, nupst, snmp, and systemd modules.
+
+Update build script to use 'tsbuild tsfolders --allowimplicitany' and regenerate distribution type
+definitions for CLI, daemon, nupst, snmp, and systemd modules.
 
 - Replaced the 'tsc' command with 'tsbuild tsfolders --allowimplicitany' in package.json.
-- Added new dist_ts files including type definitions (d.ts) and compiled JavaScript for CLI, daemon, index, nupst, snmp, and systemd.
+- Added new dist_ts files including type definitions (d.ts) and compiled JavaScript for CLI, daemon,
+  index, nupst, snmp, and systemd.
 - Improved the generated CLI declarations and overall distribution build.
 
 ## 2025-03-23 - 1.0.0 - initial setup
+
 This range covers the early commits that mainly established the repository structure.
 
-- Initial repository commit with basic project initialization.
+- Initial repository commit with basic project initialization.

deno.json

@@ -0,0 +1,36 @@
+{
+  "name": "@serve.zone/nupst",
+  "version": "5.0.3",
+  "exports": "./mod.ts",
+  "tasks": {
+    "dev": "deno run --allow-all mod.ts",
+    "compile": "deno task compile:all",
+    "compile:all": "bash scripts/compile-all.sh",
+    "test": "deno test --allow-all test/",
+    "test:watch": "deno test --allow-all --watch test/",
+    "check": "deno check mod.ts",
+    "fmt": "deno fmt",
+    "lint": "deno lint"
+  },
+  "lint": {
+    "rules": {
+      "tags": ["recommended"]
+    }
+  },
+  "fmt": {
+    "useTabs": false,
+    "lineWidth": 100,
+    "indentWidth": 2,
+    "semiColons": true,
+    "singleQuote": true
+  },
+  "compilerOptions": {
+    "lib": ["deno.window"],
+    "strict": true
+  },
+  "imports": {
+    "@std/cli": "jsr:@std/cli@^1.0.0",
+    "@std/fmt": "jsr:@std/fmt@^1.0.0",
+    "@std/path": "jsr:@std/path@^1.0.0"
+  }
+}

example-action.sh

@@ -0,0 +1,122 @@
+#!/bin/bash
+# NUPST Action Script Example
+# Copy this to /etc/nupst/ and customize for your needs
+#
+# This script is called by NUPST when power events or threshold violations occur.
+# It receives UPS state information via environment variables and command-line arguments.
+
+# ==============================================================================
+# ARGUMENTS (positional parameters)
+# ==============================================================================
+# $1 = Power Status (online|onBattery|unknown)
+# $2 = Battery Capacity (percentage, 0-100)
+# $3 = Battery Runtime (estimated minutes remaining)
+
+POWER_STATUS=$1
+BATTERY_CAPACITY=$2
+BATTERY_RUNTIME=$3
+
+# ==============================================================================
+# ENVIRONMENT VARIABLES
+# ==============================================================================
+# NUPST_UPS_ID               - Unique UPS identifier
+# NUPST_UPS_NAME             - Human-readable UPS name
+# NUPST_POWER_STATUS         - Current power status
+# NUPST_BATTERY_CAPACITY     - Battery percentage (0-100)
+# NUPST_BATTERY_RUNTIME      - Estimated runtime in minutes
+# NUPST_THRESHOLDS_EXCEEDED  - "true" if below configured thresholds
+# NUPST_TRIGGER_REASON       - "powerStatusChange" or "thresholdViolation"
+# NUPST_BATTERY_THRESHOLD    - Configured battery threshold percentage
+# NUPST_RUNTIME_THRESHOLD    - Configured runtime threshold in minutes
+# NUPST_TIMESTAMP            - Unix timestamp (milliseconds since epoch)
+
+# ==============================================================================
+# EXAMPLE: Log the event
+# ==============================================================================
+LOG_FILE="/var/log/nupst-actions.log"
+
+echo "========================================" >> "$LOG_FILE"
+echo "NUPST Action Triggered: $(date)" >> "$LOG_FILE"
+echo "----------------------------------------" >> "$LOG_FILE"
+echo "UPS: $NUPST_UPS_NAME ($NUPST_UPS_ID)" >> "$LOG_FILE"
+echo "Power Status: $POWER_STATUS" >> "$LOG_FILE"
+echo "Battery: $BATTERY_CAPACITY%" >> "$LOG_FILE"
+echo "Runtime: $BATTERY_RUNTIME minutes" >> "$LOG_FILE"
+echo "Trigger Reason: $NUPST_TRIGGER_REASON" >> "$LOG_FILE"
+echo "Thresholds Exceeded: $NUPST_THRESHOLDS_EXCEEDED" >> "$LOG_FILE"
+echo "========================================" >> "$LOG_FILE"
+
+# ==============================================================================
+# EXAMPLE: Send email notification
+# ==============================================================================
+# if [ "$NUPST_TRIGGER_REASON" = "thresholdViolation" ]; then
+#   echo "ALERT: UPS $NUPST_UPS_NAME battery critical!" | \
+#     mail -s "UPS Battery Critical" admin@example.com
+# fi
+
+# ==============================================================================
+# EXAMPLE: Gracefully shutdown virtual machines
+# ==============================================================================
+# if [ "$NUPST_POWER_STATUS" = "onBattery" ] && [ "$NUPST_THRESHOLDS_EXCEEDED" = "true" ]; then
+#   echo "Shutting down VMs..." >> "$LOG_FILE"
+#   # virsh shutdown vm1
+#   # virsh shutdown vm2
+#   # Wait for VMs to shutdown
+#   # sleep 120
+# fi
+
+# ==============================================================================
+# EXAMPLE: Call external API/service
+# ==============================================================================
+# curl -X POST https://monitoring.example.com/ups-alert \
+#   -H "Content-Type: application/json" \
+#   -d "{
+#     \"upsId\": \"$NUPST_UPS_ID\",
+#     \"upsName\": \"$NUPST_UPS_NAME\",
+#     \"powerStatus\": \"$POWER_STATUS\",
+#     \"batteryCapacity\": $BATTERY_CAPACITY,
+#     \"batteryRuntime\": $BATTERY_RUNTIME,
+#     \"triggerReason\": \"$NUPST_TRIGGER_REASON\"
+#   }"
+
+# ==============================================================================
+# EXAMPLE: Remote shutdown via SSH with password
+# ==============================================================================
+# You can implement custom shutdown logic for remote systems
+# that require password authentication or webhooks
+#
+# if [ "$NUPST_THRESHOLDS_EXCEEDED" = "true" ]; then
+#   # Call a webhook with a secret password/token
+#   curl -X POST "https://remote-server.local/shutdown?token=YOUR_SECRET_TOKEN"
+#
+#   # Or use SSH with password (requires sshpass)
+#   # sshpass -p 'your-password' ssh user@remote-server 'sudo shutdown -h +5'
+# fi
+
+# ==============================================================================
+# EXAMPLE: Conditional logic based on battery level
+# ==============================================================================
+# if [ "$BATTERY_CAPACITY" -lt 20 ]; then
+#   echo "Battery critically low! Immediate action needed." >> "$LOG_FILE"
+# elif [ "$BATTERY_CAPACITY" -lt 50 ]; then
+#   echo "Battery low. Preparing for shutdown." >> "$LOG_FILE"
+# else
+#   echo "Battery acceptable. Monitoring." >> "$LOG_FILE"
+# fi
+
+# ==============================================================================
+# EXAMPLE: Different actions for different trigger reasons
+# ==============================================================================
+# case "$NUPST_TRIGGER_REASON" in
+#   powerStatusChange)
+#     echo "Power status changed to: $POWER_STATUS" >> "$LOG_FILE"
+#     # Send notification but don't take drastic action yet
+#     ;;
+#   thresholdViolation)
+#     echo "Thresholds violated! Taking emergency action." >> "$LOG_FILE"
+#     # Initiate graceful shutdowns, save data, etc.
+#     ;;
+# esac
+
+# Exit with success
+exit 0

install.sh

@@ -1,44 +1,69 @@
 #!/bin/bash
 
-# NUPST Installer Script
-# Downloads and installs NUPST globally on the system
-# Can be used directly with curl:
-# Without auto-installing dependencies:
-#   curl -sSL https://code.foss.global/serve.zone/nupst/raw/branch/main/install.sh | sudo bash
-# With auto-installing dependencies:
-#   curl -sSL https://code.foss.global/serve.zone/nupst/raw/branch/main/install.sh | sudo bash -s -- -y
-# 
+# NUPST Installer Script (v5.0+)
+# Downloads and installs pre-compiled NUPST binary from Gitea releases
+#
+# Usage:
+#   Direct piped installation (recommended):
+#     curl -sSL https://code.foss.global/serve.zone/nupst/raw/branch/main/install.sh | sudo bash
+#
+#   With version specification:
+#     curl -sSL https://code.foss.global/serve.zone/nupst/raw/branch/main/install.sh | sudo bash -s -- --version v5.0.0
+#
 # Options:
-#   -y, --yes     Automatically answer yes to all prompts
-#   -h, --help    Show this help message
+#   -h, --help             Show this help message
+#   --version VERSION      Install specific version (e.g., v4.0.0)
+#   --install-dir DIR      Installation directory (default: /opt/nupst)
+
+set -e
+
+# Default values
+SHOW_HELP=0
+SPECIFIED_VERSION=""
+INSTALL_DIR="/opt/nupst"
+GITEA_BASE_URL="https://code.foss.global"
+GITEA_REPO="serve.zone/nupst"
 
 # Parse command line arguments
-AUTO_YES=0
-SHOW_HELP=0
-
-for arg in "$@"; do
-  case $arg in
-    -y|--yes)
-      AUTO_YES=1
-      shift
-      ;;
+while [[ $# -gt 0 ]]; do
+  case $1 in
     -h|--help)
       SHOW_HELP=1
       shift
       ;;
+    --version)
+      SPECIFIED_VERSION="$2"
+      shift 2
+      ;;
+    --install-dir)
+      INSTALL_DIR="$2"
+      shift 2
+      ;;
     *)
-      # Unknown option
+      echo "Unknown option: $1"
+      echo "Use -h or --help for usage information"
+      exit 1
       ;;
   esac
 done
 
 if [ $SHOW_HELP -eq 1 ]; then
-  echo "NUPST Installer Script"
+  echo "NUPST Installer Script (v5.0+)"
+  echo "Downloads and installs pre-compiled NUPST binary"
+  echo ""
   echo "Usage: $0 [options]"
   echo ""
   echo "Options:"
-  echo "  -y, --yes     Automatically answer yes to all prompts"
-  echo "  -h, --help    Show this help message"
+  echo "  -h, --help             Show this help message"
+  echo "  --version VERSION      Install specific version (e.g., v5.0.0)"
+  echo "  --install-dir DIR      Installation directory (default: /opt/nupst)"
+  echo ""
+  echo "Examples:"
+  echo "  # Install latest version"
+  echo "  curl -sSL https://code.foss.global/serve.zone/nupst/raw/branch/main/install.sh | sudo bash"
+  echo ""
+  echo "  # Install specific version"
+  echo "  curl -sSL https://code.foss.global/serve.zone/nupst/raw/branch/main/install.sh | sudo bash -s -- --version v5.0.0"
   exit 0
 fi
 
@@ -48,249 +73,201 @@ if [ "$EUID" -ne 0 ]; then
   exit 1
 fi
 
-# Detect if script is being piped or run directly
-PIPED=0
-INTERACTIVE=1
-if [ ! -t 0 ]; then
-  # Being piped, need to clone the repo
-  PIPED=1
-fi
+# Helper function to detect OS and architecture
+detect_platform() {
+  local os=$(uname -s)
+  local arch=$(uname -m)
 
-# Check if stdin is a terminal
-if [ ! -t 0 ] || [ ! -t 1 ]; then
-  # Either stdin or stdout is not a terminal, check if -y was provided
-  if [ $AUTO_YES -ne 1 ]; then
-    echo "Script detected it's running in a non-interactive environment without -y flag."
-    echo "Attempting to find a controlling terminal for interactive prompts..."
-    # Try to use a controlling terminal for user input
-    if [ -t 1 ]; then
-      # Stdout is a terminal, use it
-      exec < /dev/tty 2>/dev/null || INTERACTIVE=0
-    else
-      # Try to find controlling terminal
-      exec < /dev/tty 2>/dev/null || INTERACTIVE=0
-    fi
-    
-    if [ $INTERACTIVE -eq 0 ]; then
-      echo "ERROR: No controlling terminal available for interactive prompts."
-      echo "For interactive installation (RECOMMENDED):"
-      echo "  curl -sSL https://code.foss.global/serve.zone/nupst/raw/branch/main/install.sh -o nupst-install.sh"
-      echo "  sudo bash nupst-install.sh"
-      echo ""
-      echo "For non-interactive installation with automatic dependency installation:"
-      echo "  curl -sSL https://code.foss.global/serve.zone/nupst/raw/branch/main/install.sh | sudo bash -s -- -y"
-      exit 1
-    else
-      echo "Interactive terminal found, continuing with prompts..."
-    fi
-  fi
-fi
-
-# Helper function to detect OS type
-detect_os() {
-  if [ -f /etc/os-release ]; then
-    . /etc/os-release
-    OS=$ID
-  elif type lsb_release >/dev/null 2>&1; then
-    OS=$(lsb_release -si | tr '[:upper:]' '[:lower:]')
-  elif [ -f /etc/lsb-release ]; then
-    . /etc/lsb-release
-    OS=$DISTRIB_ID
-  elif [ -f /etc/debian_version ]; then
-    OS="debian"
-  elif [ -f /etc/redhat-release ]; then
-    if grep -q "CentOS" /etc/redhat-release; then
-      OS="centos"
-    elif grep -q "Fedora" /etc/redhat-release; then
-      OS="fedora"
-    else
-      OS="rhel"
-    fi
-  else
-    OS=$(uname -s)
-  fi
-  echo $OS
-}
-
-# Helper function to install git
-install_git() {
-  OS=$(detect_os)
-  echo "Detected OS: $OS"
-  
-  case "$OS" in
-    ubuntu|debian|pop|mint|elementary|kali|zorin)
-      echo "Installing git using apt..."
-      apt-get update && apt-get install -y git
+  # Map OS
+  case "$os" in
+    Linux)
+      os_name="linux"
       ;;
-    fedora|rhel|centos|almalinux|rocky)
-      echo "Installing git using dnf/yum..."
-      if command -v dnf &> /dev/null; then
-        dnf install -y git
-      else
-        yum install -y git
-      fi
+    Darwin)
+      os_name="macos"
       ;;
-    arch|manjaro|endeavouros|garuda)
-      echo "Installing git using pacman..."
-      pacman -Sy --noconfirm git
-      ;;
-    opensuse*|suse|sles)
-      echo "Installing git using zypper..."
-      zypper install -y git
-      ;;
-    alpine)
-      echo "Installing git using apk..."
-      apk add git
+    MINGW*|MSYS*|CYGWIN*)
+      os_name="windows"
       ;;
     *)
-      echo "Unsupported OS: $OS"
-      echo "Please install git manually and run the installer again."
+      echo "Error: Unsupported operating system: $os"
+      echo "Supported: Linux, macOS, Windows"
       exit 1
       ;;
   esac
-  
-  # Check if git was installed successfully
-  if ! command -v git &> /dev/null; then
-    echo "Failed to install git. Please install git manually and run the installer again."
-    exit 1
+
+  # Map architecture
+  case "$arch" in
+    x86_64|amd64)
+      arch_name="x64"
+      ;;
+    aarch64|arm64)
+      arch_name="arm64"
+      ;;
+    *)
+      echo "Error: Unsupported architecture: $arch"
+      echo "Supported: x86_64/amd64 (x64), aarch64/arm64 (arm64)"
+      exit 1
+      ;;
+  esac
+
+  # Construct binary name
+  if [ "$os_name" = "windows" ]; then
+    echo "nupst-${os_name}-${arch_name}.exe"
+  else
+    echo "nupst-${os_name}-${arch_name}"
   fi
-  
-  echo "Git installed successfully."
 }
 
-# Define installation directory
-INSTALL_DIR="/opt/nupst"
-REPO_URL="https://code.foss.global/serve.zone/nupst.git"
+# Get latest release version from Gitea API
+get_latest_version() {
+  echo "Fetching latest release version from Gitea..." >&2
 
-# Check if git is installed - needed for both piped and direct execution
-if ! command -v git &> /dev/null; then
-  echo "Git is required but not installed."
-  
-  if [ $AUTO_YES -eq 1 ]; then
-    echo "Auto-installing git (-y flag provided)..."
-    install_git
-  elif [ $INTERACTIVE -eq 1 ]; then
-    # If interactive and no -y flag, ask the user
-    echo "Would you like to install git now? (y/N): "
-    read -r install_git_prompt
-    
-    if [[ "$install_git_prompt" =~ ^[Yy]$ ]]; then
-      install_git
-    else
-      echo "Git installation skipped. Please install git manually and run the installer again."
-      echo "Alternatively, you can run the installer with -y flag to automatically install git:"
-      echo "  sudo bash install.sh -y"
-      exit 1
-    fi
-  else
-    # Non-interactive mode without -y flag
-    echo "Error: Git is required but not installed."
-    echo "In non-interactive mode, use -y flag to auto-install dependencies:"
-    echo "  curl -sSL https://code.foss.global/serve.zone/nupst/raw/branch/main/install.sh | sudo bash -s -- -y"
+  local api_url="${GITEA_BASE_URL}/api/v1/repos/${GITEA_REPO}/releases/latest"
+  local response=$(curl -sSL "$api_url" 2>/dev/null)
+
+  if [ $? -ne 0 ] || [ -z "$response" ]; then
+    echo "Error: Failed to fetch latest release information from Gitea API" >&2
+    echo "URL: $api_url" >&2
     exit 1
   fi
-fi
 
-if [ $PIPED -eq 1 ]; then
-  echo "Installing NUPST from remote repository..."
-  
-  # Check if installation directory exists
-  if [ -d "$INSTALL_DIR" ] && [ -d "$INSTALL_DIR/.git" ]; then
-    echo "Existing installation found at $INSTALL_DIR. Updating..."
-    cd "$INSTALL_DIR"
-    
-    # Try to update the repository
-    git fetch origin
-    git reset --hard origin/main
-    
-    if [ $? -ne 0 ]; then
-      echo "Failed to update repository. Reinstalling..."
-      cd /
-      rm -rf "$INSTALL_DIR"
-      mkdir -p "$INSTALL_DIR"
-      git clone --depth 1 $REPO_URL "$INSTALL_DIR"
-    else
-      echo "Repository updated successfully."
-    fi
-  else
-    # Fresh installation
-    if [ -d "$INSTALL_DIR" ]; then
-      echo "Removing previous installation at $INSTALL_DIR..."
-      rm -rf "$INSTALL_DIR"
-    fi
-    
-    # Create installation directory
-    mkdir -p "$INSTALL_DIR"
-    
-    # Clone the repository
-    echo "Cloning NUPST repository to $INSTALL_DIR..."
-    git clone --depth 1 $REPO_URL "$INSTALL_DIR"
-  fi
-  
-  if [ $? -ne 0 ]; then
-    echo "Failed to clone/update repository. Please check your internet connection."
+  # Extract tag_name from JSON response
+  local version=$(echo "$response" | grep -o '"tag_name":"[^"]*"' | cut -d'"' -f4)
+
+  if [ -z "$version" ]; then
+    echo "Error: Could not determine latest version from API response" >&2
     exit 1
   fi
-  
-  # Set script directory to the cloned repo
-  SCRIPT_DIR="$INSTALL_DIR"
+
+  echo "$version"
+}
+
+# Main installation process
+echo "================================================"
+echo "  NUPST Installation Script (v5.0+)"
+echo "================================================"
+echo ""
+
+# Detect platform
+BINARY_NAME=$(detect_platform)
+echo "Detected platform: $BINARY_NAME"
+echo ""
+
+# Determine version to install
+if [ -n "$SPECIFIED_VERSION" ]; then
+  VERSION="$SPECIFIED_VERSION"
+  echo "Installing specified version: $VERSION"
 else
-  # Running directly from within the repo or downloaded script
-  SCRIPT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )"
-  
-  # When running from a downloaded script in a different location 
-  # we need to clone the repository first
-  if [ ! -f "$SCRIPT_DIR/setup.sh" ]; then
-    echo "Running installer from downloaded script outside repository."
-    echo "Will clone the repository to $INSTALL_DIR..."
-    
-    # Create installation directory if needed
-    if [ -d "$INSTALL_DIR" ]; then
-      echo "Removing previous installation at $INSTALL_DIR..."
-      rm -rf "$INSTALL_DIR"
-    fi
-    
-    mkdir -p "$INSTALL_DIR"
-    
-    # Clone the repository
-    echo "Cloning NUPST repository to $INSTALL_DIR..."
-    git clone --depth 1 $REPO_URL "$INSTALL_DIR"
-    
-    if [ $? -ne 0 ]; then
-      echo "Failed to clone repository. Please check your internet connection."
-      exit 1
-    fi
-    
-    # Update script directory to use the cloned repo
-    SCRIPT_DIR="$INSTALL_DIR"
+  VERSION=$(get_latest_version)
+  echo "Installing latest version: $VERSION"
+fi
+echo ""
+
+# Construct download URL
+DOWNLOAD_URL="${GITEA_BASE_URL}/${GITEA_REPO}/releases/download/${VERSION}/${BINARY_NAME}"
+echo "Download URL: $DOWNLOAD_URL"
+echo ""
+
+# Check if service is running and stop it
+SERVICE_WAS_RUNNING=0
+if systemctl is-enabled --quiet nupst 2>/dev/null || systemctl is-active --quiet nupst 2>/dev/null; then
+  SERVICE_WAS_RUNNING=1
+  if systemctl is-active --quiet nupst 2>/dev/null; then
+    echo "Stopping NUPST service..."
+    systemctl stop nupst
   fi
 fi
 
-# Run setup script
-echo "Running setup script..."
-if [ ! -f "$SCRIPT_DIR/setup.sh" ]; then
-  echo "ERROR: Setup script not found at $SCRIPT_DIR/setup.sh"
-  echo "Current directory: $(pwd)"
-  echo "Script directory: $SCRIPT_DIR"
-  ls -la "$SCRIPT_DIR"
+# Clean installation directory - ensure only binary exists
+if [ -d "$INSTALL_DIR" ]; then
+  echo "Cleaning installation directory: $INSTALL_DIR"
+  rm -rf "$INSTALL_DIR"
+fi
+
+# Create fresh installation directory
+echo "Creating installation directory: $INSTALL_DIR"
+mkdir -p "$INSTALL_DIR"
+
+# Download binary
+echo "Downloading NUPST binary..."
+TEMP_FILE="$INSTALL_DIR/nupst.download"
+curl -sSL "$DOWNLOAD_URL" -o "$TEMP_FILE"
+
+if [ $? -ne 0 ]; then
+  echo "Error: Failed to download binary from $DOWNLOAD_URL"
+  echo ""
+  echo "Please check:"
+  echo "  1. Your internet connection"
+  echo "  2. The specified version exists: ${GITEA_BASE_URL}/${GITEA_REPO}/releases"
+  echo "  3. The platform binary is available for this release"
+  rm -f "$TEMP_FILE"
   exit 1
 fi
 
-bash "$SCRIPT_DIR/setup.sh"
-
-# Install globally
-echo "Installing NUPST globally..."
-ln -sf "$SCRIPT_DIR/bin/nupst" /usr/local/bin/nupst
-
-# Installation completed
-if [ $PIPED -eq 1 ]; then
-  echo "NUPST has been installed globally at $INSTALL_DIR"
-else
-  echo "NUPST has been installed globally."
+# Check if download was successful (file exists and not empty)
+if [ ! -s "$TEMP_FILE" ]; then
+  echo "Error: Downloaded file is empty or does not exist"
+  rm -f "$TEMP_FILE"
+  exit 1
 fi
 
-echo "You can now run 'nupst' from anywhere."
+# Move to final location
+BINARY_PATH="$INSTALL_DIR/nupst"
+mv "$TEMP_FILE" "$BINARY_PATH"
+
+# Make executable
+chmod +x "$BINARY_PATH"
+
+echo "Binary installed successfully to: $BINARY_PATH"
+echo ""
+
+# Check if /usr/local/bin is in PATH
+if [[ ":$PATH:" == *":/usr/local/bin:"* ]]; then
+  BIN_DIR="/usr/local/bin"
+else
+  BIN_DIR="/usr/bin"
+fi
+
+# Create symlink for global access
+ln -sf "$BINARY_PATH" "$BIN_DIR/nupst"
+echo "Symlink created: $BIN_DIR/nupst -> $BINARY_PATH"
+
+echo ""
+
+# Restart service if it was running before update
+if [ $SERVICE_WAS_RUNNING -eq 1 ]; then
+  echo "Restarting NUPST service..."
+  systemctl start nupst
+  echo "Service restarted successfully."
+  echo ""
+fi
+
+echo "================================================"
+echo "  NUPST Installation Complete!"
+echo "================================================"
+echo ""
+echo "Installation details:"
+echo "  Binary location: $BINARY_PATH"
+echo "  Symlink location: $BIN_DIR/nupst"
+echo "  Version: $VERSION"
+echo ""
+
+# Check if configuration exists
+if [ -f "/etc/nupst/config.json" ]; then
+  echo "Configuration: /etc/nupst/config.json (preserved)"
+  echo ""
+  echo "Your existing configuration has been preserved."
+  if [ $SERVICE_WAS_RUNNING -eq 1 ]; then
+    echo "The service has been restarted with your current settings."
+  else
+    echo "Start the service with: sudo nupst service start"
+  fi
+else
+  echo "Get started:"
+  echo "  nupst --version"
+  echo "  nupst help"
+  echo "  nupst ups add       # Add a UPS device"
+  echo "  nupst service enable # Enable systemd service"
+fi
 echo ""
-echo "To get started, try:"
-echo "  nupst help"
-echo "  nupst setup  # To configure your UPS connection"

mod.ts

@@ -0,0 +1,44 @@
+#!/usr/bin/env -S deno run --allow-all
+
+/**
+ * NUPST - UPS Shutdown Tool
+ *
+ * A command-line tool for monitoring SNMP-enabled UPS devices and
+ * initiating system shutdown when power conditions are critical.
+ *
+ * Required Permissions:
+ * - --allow-net: SNMP communication with UPS devices
+ * - --allow-read: Read configuration files (/etc/nupst/config.json)
+ * - --allow-write: Write configuration files
+ * - --allow-run: Execute system commands (systemctl, shutdown, git, bash)
+ * - --allow-sys: Access system information (hostname, OS details)
+ * - --allow-env: Read environment variables
+ *
+ * @module
+ */
+
+import { NupstCli } from './ts/cli.ts';
+
+/**
+ * Main entry point for the NUPST application
+ * Parses command-line arguments and executes the requested command
+ */
+async function main(): Promise<void> {
+  const cli = new NupstCli();
+
+  // Deno.args is already 0-indexed (unlike Node's process.argv which starts at index 2)
+  // We need to prepend placeholder args to match the existing CLI parser expectations
+  const args = ['deno', 'mod.ts', ...Deno.args];
+
+  await cli.parseAndExecute(args);
+}
+
+// Execute main and handle errors
+if (import.meta.main) {
+  try {
+    await main();
+  } catch (error) {
+    console.error(`Error: ${error instanceof Error ? error.message : String(error)}`);
+    Deno.exit(1);
+  }
+}

npmextra.json

@@ -1 +0,0 @@
-{}

package.json

@@ -1,61 +0,0 @@
-{
-  "name": "@serve.zone/nupst",
-  "version": "3.1.1",
-  "description": "Node.js UPS Shutdown Tool for SNMP-enabled UPS devices",
-  "main": "dist/index.js",
-  "bin": {
-    "nupst": "bin/nupst"
-  },
-  "type": "module",
-  "scripts": {
-    "build": "tsbuild tsfolders --allowimplicitany",
-    "start": "bin/nupst",
-    "setup": "bash setup.sh",
-    "test": "tstest test/",
-    "install-global": "sudo bash install.sh",
-    "uninstall": "sudo bash uninstall.sh"
-  },
-  "keywords": [
-    "ups",
-    "snmp",
-    "shutdown",
-    "node",
-    "cli"
-  ],
-  "files": [
-    "ts/**/*",
-    "ts_web/**/*",
-    "dist/**/*",
-    "dist_*/**/*",
-    "dist_ts/**/*",
-    "dist_ts_web/**/*",
-    "assets/**/*",
-    "cli.js",
-    "npmextra.json",
-    "readme.md"
-  ],
-  "author": "",
-  "license": "MIT",
-  "dependencies": {
-    "net-snmp": "3.20.0"
-  },
-  "devDependencies": {
-    "@git.zone/tsbuild": "^2.3.2",
-    "@git.zone/tsrun": "^1.3.3",
-    "@git.zone/tstest": "^1.0.96",
-    "@push.rocks/qenv": "^6.1.0",
-    "@push.rocks/tapbundle": "^5.6.0",
-    "@types/node": "^20.11.0"
-  },
-  "engines": {
-    "node": ">=16.0.0"
-  },
-  "pnpm": {
-    "onlyBuiltDependencies": [
-      "esbuild",
-      "mongodb-memory-server",
-      "puppeteer"
-    ]
-  },
-  "packageManager": "pnpm@10.7.0+sha512.6b865ad4b62a1d9842b61d674a393903b871d9244954f652b8842c2b553c72176b278f64c463e52d40fff8aba385c235c8c9ecf5cc7de4fd78b8bb6d49633ab6"
-}

readme.plan.md

@@ -0,0 +1,613 @@
+# NUPST Migration Plan: Node.js → Deno v4.0.0
+
+**Migration Goal**: Convert NUPST from Node.js to Deno with single-executable distribution
+**Version**: 3.1.2 → 4.0.0 (breaking changes) **Platforms**: Linux x64/ARM64, macOS x64/ARM64,
+Windows x64
+
+---
+
+## Phase 0: Planning & Preparation
+
+- [x] Research Deno compilation targets and npm: specifier support
+- [x] Analyze current codebase structure and dependencies
+- [x] Define CLI command structure simplification
+- [x] Create detailed migration task list
+- [ ] Create feature branch: `migration/deno-v4`
+- [ ] Backup current working state with git tag: `v3.1.2-pre-deno-migration`
+
+---
+
+## Phase 1: Dependency Migration (4-6 hours)
+
+### 1.1 Analyze Current Dependencies
+
+- [ ] List all production dependencies from `package.json`
+  - Current: `net-snmp@3.20.0`
+- [ ] List all dev dependencies to be removed
+  - `@git.zone/tsbuild`, `@git.zone/tsrun`, `@git.zone/tstest`, `@push.rocks/qenv`,
+    `@push.rocks/tapbundle`, `@types/node`
+- [ ] Identify Node.js built-in module usage
+  - `child_process` (execSync)
+  - `https` (for version checking)
+  - `fs` (readFileSync, writeFileSync, existsSync, mkdirSync)
+  - `path` (join, dirname, resolve)
+
+### 1.2 Create Deno Configuration
+
+- [ ] Create `deno.json` with project configuration
+  ```json
+  {
+    "name": "@serve.zone/nupst",
+    "version": "4.0.0",
+    "exports": "./mod.ts",
+    "tasks": {
+      "dev": "deno run --allow-all mod.ts",
+      "compile": "deno task compile:all",
+      "compile:all": "bash scripts/compile-all.sh",
+      "test": "deno test --allow-all tests/",
+      "check": "deno check mod.ts"
+    },
+    "lint": {
+      "rules": {
+        "tags": ["recommended"]
+      }
+    },
+    "fmt": {
+      "useTabs": false,
+      "lineWidth": 100,
+      "indentWidth": 2,
+      "semiColons": true
+    },
+    "compilerOptions": {
+      "lib": ["deno.window"],
+      "strict": true
+    },
+    "imports": {
+      "@std/cli": "jsr:@std/cli@^1.0.0",
+      "@std/fmt": "jsr:@std/fmt@^1.0.0",
+      "@std/path": "jsr:@std/path@^1.0.0"
+    }
+  }
+  ```
+
+### 1.3 Update Import Statements
+
+- [ ] `ts/snmp/manager.ts`: Change `import * as snmp from 'net-snmp'` to
+      `import * as snmp from "npm:net-snmp@3.20.0"`
+- [ ] `ts/cli.ts`: Change `import { execSync } from 'child_process'` to
+      `import { execSync } from "node:child_process"`
+- [ ] `ts/nupst.ts`: Change `import * as https from 'https'` to
+      `import * as https from "node:https"`
+- [ ] Search for all `fs` imports and update to `node:fs`
+- [ ] Search for all `path` imports and update to `node:path`
+- [ ] Update all relative imports to use `.ts` extension instead of `.js`
+  - Example: `'./nupst.js'` → `'./nupst.ts'`
+
+### 1.4 Test npm: Specifier Compatibility
+
+- [ ] Create test file: `tests/snmp_compatibility_test.ts`
+- [ ] Test SNMP v1 connection with npm:net-snmp
+- [ ] Test SNMP v2c connection with npm:net-snmp
+- [ ] Test SNMP v3 connection with npm:net-snmp
+- [ ] Verify native addon loading works in compiled binary
+
+---
+
+## Phase 2: Code Structure Refactoring (3-4 hours)
+
+### 2.1 Create Main Entry Point
+
+- [ ] Create `mod.ts` as main Deno entry point:
+  ```typescript
+  #!/usr/bin/env -S deno run --allow-all
+
+  /**
+   * NUPST - UPS Shutdown Tool for Deno
+   *
+   * Required Permissions:
+   * --allow-net: SNMP communication with UPS devices
+   * --allow-read: Configuration file access (/etc/nupst/config.json)
+   * --allow-write: Configuration file updates
+   * --allow-run: System commands (systemctl, shutdown)
+   * --allow-sys: System information (hostname, OS info)
+   * --allow-env: Environment variables
+   */
+
+  import { NupstCli } from './ts/cli.ts';
+
+  const cli = new NupstCli();
+  await cli.parseAndExecute(Deno.args);
+  ```
+
+### 2.2 Update All Import Extensions
+
+Files to update (change .js → .ts in imports):
+
+- [ ] `ts/index.ts`
+- [ ] `ts/cli.ts` (imports from ./nupst.js, ./logger.js)
+- [ ] `ts/nupst.ts` (imports from ./snmp/manager.js, ./daemon.js, etc.)
+- [ ] `ts/daemon.ts` (imports from ./snmp/manager.js, ./logger.js, ./helpers/)
+- [ ] `ts/systemd.ts` (imports from ./daemon.js, ./logger.js)
+- [ ] `ts/cli/service-handler.ts`
+- [ ] `ts/cli/group-handler.ts`
+- [ ] `ts/cli/ups-handler.ts`
+- [ ] `ts/snmp/index.ts`
+- [ ] `ts/snmp/manager.ts` (imports from ./types.js, ./oid-sets.js)
+- [ ] `ts/snmp/oid-sets.ts` (imports from ./types.js)
+- [ ] `ts/helpers/index.ts`
+- [ ] `ts/logger.ts`
+
+### 2.3 Update process.argv References
+
+- [ ] `ts/cli.ts`: Replace `process.argv` with `Deno.args` (adjust indexing: process.argv[2] →
+      Deno.args[0])
+- [ ] Update parseAndExecute method to work with Deno.args (0-indexed vs 2-indexed)
+
+### 2.4 Update File System Operations
+
+- [ ] Search for `fs.readFileSync()` → Consider using `Deno.readTextFile()` or keep node:fs
+- [ ] Search for `fs.writeFileSync()` → Consider using `Deno.writeTextFile()` or keep node:fs
+- [ ] Search for `fs.existsSync()` → Keep node:fs or use Deno.stat
+- [ ] Search for `fs.mkdirSync()` → Keep node:fs or use Deno.mkdir
+- [ ] Decision: Keep node:fs for consistency or migrate to Deno APIs?
+
+### 2.5 Update Path Operations
+
+- [ ] Verify all `path.join()`, `path.resolve()`, `path.dirname()` work with node:path
+- [ ] Consider using `@std/path` from JSR for better Deno integration
+
+### 2.6 Handle __dirname and __filename
+
+- [ ] Find all `__dirname` usage
+- [ ] Replace with `import.meta.dirname` (Deno) or `dirname(fromFileUrl(import.meta.url))`
+- [ ] Find all `__filename` usage
+- [ ] Replace with `import.meta.filename` or `fromFileUrl(import.meta.url)`
+
+---
+
+## Phase 3: CLI Command Simplification (3-4 hours)
+
+### 3.1 Design New Command Structure
+
+Current → New mapping:
+
+```
+OLD                          NEW
+===                          ===
+nupst enable                 → nupst service enable
+nupst disable                → nupst service disable
+nupst daemon-start           → nupst service start-daemon
+nupst logs                   → nupst service logs
+nupst stop                   → nupst service stop
+nupst start                  → nupst service start
+nupst status                 → nupst service status
+
+nupst add                    → nupst ups add
+nupst edit [id]              → nupst ups edit [id]
+nupst delete <id>            → nupst ups remove <id>
+nupst list                   → nupst ups list
+nupst setup                  → nupst ups edit (removed alias)
+nupst test                   → nupst ups test
+
+nupst group list             → nupst group list
+nupst group add              → nupst group add
+nupst group edit <id>        → nupst group edit <id>
+nupst group delete <id>      → nupst group remove <id>
+
+nupst config                 → nupst config show
+nupst update                 → nupst update
+nupst uninstall              → nupst uninstall
+nupst help                   → nupst help / nupst --help
+(new)                        → nupst --version
+```
+
+### 3.2 Update CLI Parser (ts/cli.ts)
+
+- [ ] Refactor `parseAndExecute()` to handle new command structure
+- [ ] Add `service` subcommand handler
+- [ ] Add `ups` subcommand handler
+- [ ] Keep `group` subcommand handler (already exists, just update delete→remove)
+- [ ] Add `config` subcommand handler with `show` default
+- [ ] Add `--version` flag handler
+- [ ] Update `help` command to show new structure
+- [ ] Add command aliases: `rm` → `remove`, `ls` → `list`
+- [ ] Add `--json` flag for machine-readable output (future enhancement)
+
+### 3.3 Update Command Handlers
+
+- [ ] `ts/cli/service-handler.ts`: Update method names if needed
+- [ ] `ts/cli/ups-handler.ts`: Rename `delete()` → `remove()`, remove `setup` method
+- [ ] `ts/cli/group-handler.ts`: Rename `delete()` → `remove()`
+
+### 3.4 Improve Help Messages
+
+- [ ] Update `showHelp()` in ts/cli.ts with new command structure
+- [ ] Update `showGroupHelp()` in ts/cli.ts
+- [ ] Add `showServiceHelp()` method
+- [ ] Add `showUpsHelp()` method
+- [ ] Add `showConfigHelp()` method
+- [ ] Include usage examples in help text
+
+### 3.5 Add Version Command
+
+- [ ] Read version from deno.json
+- [ ] Create `--version` handler in CLI
+- [ ] Display version with build info
+
+---
+
+## Phase 4: Compilation & Distribution (2-3 hours)
+
+### 4.1 Create Compilation Script
+
+- [ ] Create directory: `scripts/`
+- [ ] Create `scripts/compile-all.sh`:
+  ```bash
+  #!/bin/bash
+  set -e
+
+  VERSION=$(cat deno.json | jq -r '.version')
+  BINARY_DIR="dist/binaries"
+
+  echo "Compiling NUPST v${VERSION} for all platforms..."
+  mkdir -p "$BINARY_DIR"
+
+  # Linux x86_64
+  echo "→ Linux x86_64..."
+  deno compile --allow-all --output "$BINARY_DIR/nupst-linux-x64" \
+    --target x86_64-unknown-linux-gnu mod.ts
+
+  # Linux ARM64
+  echo "→ Linux ARM64..."
+  deno compile --allow-all --output "$BINARY_DIR/nupst-linux-arm64" \
+    --target aarch64-unknown-linux-gnu mod.ts
+
+  # macOS x86_64
+  echo "→ macOS x86_64..."
+  deno compile --allow-all --output "$BINARY_DIR/nupst-macos-x64" \
+    --target x86_64-apple-darwin mod.ts
+
+  # macOS ARM64
+  echo "→ macOS ARM64..."
+  deno compile --allow-all --output "$BINARY_DIR/nupst-macos-arm64" \
+    --target aarch64-apple-darwin mod.ts
+
+  # Windows x86_64
+  echo "→ Windows x86_64..."
+  deno compile --allow-all --output "$BINARY_DIR/nupst-windows-x64.exe" \
+    --target x86_64-pc-windows-msvc mod.ts
+
+  echo ""
+  echo "✓ Compilation complete!"
+  ls -lh "$BINARY_DIR/"
+  ```
+- [ ] Make script executable: `chmod +x scripts/compile-all.sh`
+
+### 4.2 Test Local Compilation
+
+- [ ] Run `deno task compile` to compile for all platforms
+- [ ] Verify all 5 binaries are created
+- [ ] Check binary sizes (should be reasonable, < 100MB each)
+- [ ] Test local binary on current platform: `./dist/binaries/nupst-linux-x64 --version`
+
+### 4.3 Update Installation Scripts
+
+- [ ] Update `install.sh`:
+  - Remove Node.js download logic (lines dealing with vendor/node-*)
+  - Add detection for binary download from GitHub releases
+  - Simplify to download appropriate binary based on OS/arch
+  - Place binary in `/opt/nupst/bin/nupst`
+  - Create symlink: `/usr/local/bin/nupst → /opt/nupst/bin/nupst`
+  - Update to v4.0.0 in script
+- [ ] Simplify or remove `setup.sh` (no longer needed without Node.js)
+- [ ] Update `bin/nupst` launcher:
+  - Option A: Keep as simple wrapper
+  - Option B: Remove and symlink directly to binary
+- [ ] Update `uninstall.sh`:
+  - Remove vendor directory cleanup
+  - Update paths to new binary location
+
+### 4.4 Update Systemd Service
+
+- [ ] Update systemd service file path in `ts/systemd.ts`
+- [ ] Verify ExecStart points to correct binary location: `/opt/nupst/bin/nupst daemon-start`
+- [ ] Remove Node.js environment variables if any
+- [ ] Test service installation and startup
+
+---
+
+## Phase 5: Testing & Validation (4-6 hours)
+
+### 5.1 Create Deno Test Suite
+
+- [ ] Create `tests/` directory (or migrate from existing `test/`)
+- [ ] Create `tests/snmp_test.ts`: Test SNMP manager functionality
+- [ ] Create `tests/config_test.ts`: Test configuration loading/saving
+- [ ] Create `tests/cli_test.ts`: Test CLI parsing and command routing
+- [ ] Create `tests/daemon_test.ts`: Test daemon logic
+- [ ] Remove dependency on @git.zone/tstest and @push.rocks/tapbundle
+- [ ] Use Deno's built-in test runner (`Deno.test()`)
+
+### 5.2 Unit Tests
+
+- [ ] Test SNMP connection with mock responses
+- [ ] Test configuration validation
+- [ ] Test UPS status parsing for different models
+- [ ] Test group logic (redundant/non-redundant modes)
+- [ ] Test threshold checking
+- [ ] Test version comparison logic
+
+### 5.3 Integration Tests
+
+- [ ] Test CLI command parsing for all commands
+- [ ] Test config file creation and updates
+- [ ] Test UPS add/edit/remove operations
+- [ ] Test group add/edit/remove operations
+- [ ] Mock systemd operations for testing
+
+### 5.4 Binary Testing
+
+- [ ] Test compiled binary on Linux x64
+- [ ] Test compiled binary on Linux ARM64 (if available)
+- [ ] Test compiled binary on macOS x64 (if available)
+- [ ] Test compiled binary on macOS ARM64 (if available)
+- [ ] Test compiled binary on Windows x64 (if available)
+- [ ] Verify SNMP functionality works in compiled binary
+- [ ] Verify config file operations work in compiled binary
+- [ ] Test systemd integration with compiled binary
+
+### 5.5 Performance Testing
+
+- [ ] Measure binary size for each platform
+- [ ] Measure startup time: `time ./nupst-linux-x64 --version`
+- [ ] Measure memory footprint during daemon operation
+- [ ] Compare with Node.js version performance
+- [ ] Document performance metrics
+
+### 5.6 Upgrade Path Testing
+
+- [ ] Create test with v3.x config
+- [ ] Verify v4.x can read existing config
+- [ ] Test migration from old commands to new commands
+- [ ] Verify systemd service upgrade path
+
+---
+
+## Phase 6: Distribution Strategy (2-3 hours)
+
+### 6.1 GitHub Actions Workflow
+
+- [ ] Create `.github/workflows/release.yml`:
+  ```yaml
+  name: Release
+  on:
+    push:
+      tags:
+        - 'v*'
+  jobs:
+    build:
+      runs-on: ubuntu-latest
+      steps:
+        - uses: actions/checkout@v4
+        - uses: denoland/setup-deno@v1
+          with:
+            deno-version: v1.x
+        - name: Compile binaries
+          run: deno task compile
+        - name: Generate checksums
+          run: |
+            cd dist/binaries
+            sha256sum * > SHA256SUMS
+        - name: Create Release
+          uses: softprops/action-gh-release@v1
+          with:
+            files: dist/binaries/*
+            generate_release_notes: true
+  ```
+
+### 6.2 Update package.json for npm
+
+- [ ] Update version to 4.0.0
+- [ ] Update description to mention Deno
+- [ ] Add postinstall script to symlink appropriate binary:
+  ```json
+  {
+    "name": "@serve.zone/nupst",
+    "version": "4.0.0",
+    "description": "UPS Shutdown Tool - Deno-based single executable",
+    "bin": {
+      "nupst": "bin/nupst-npm-wrapper.js"
+    },
+    "type": "module",
+    "scripts": {
+      "postinstall": "node bin/setup-npm-binary.js"
+    },
+    "files": [
+      "dist/binaries/*",
+      "bin/*"
+    ]
+  }
+  ```
+- [ ] Create `bin/setup-npm-binary.js` to symlink correct binary
+- [ ] Create `bin/nupst-npm-wrapper.js` as entry point
+
+### 6.3 Verify Distribution Methods
+
+- [ ] Test GitHub release download and installation
+- [ ] Test npm install from tarball
+- [ ] Test direct install.sh script
+- [ ] Verify all methods create working installation
+
+---
+
+## Phase 7: Documentation Updates (2-3 hours)
+
+### 7.1 Update README.md
+
+- [ ] Remove Node.js requirements section
+- [ ] Update features list (mention Deno, single executable)
+- [ ] Update installation methods:
+  - Method 1: Quick install script (updated)
+  - Method 2: GitHub releases (new)
+  - Method 3: npm (updated with notes)
+- [ ] Update usage section with new command structure
+- [ ] Add command mapping table (v3 → v4)
+- [ ] Update platform support matrix (note: no Windows ARM)
+- [ ] Update "System Changes" section (no vendor directory)
+- [ ] Update security section (remove Node.js mentions)
+- [ ] Update uninstallation instructions
+
+### 7.2 Create MIGRATION.md
+
+- [ ] Create detailed migration guide from v3.x to v4.x
+- [ ] List all breaking changes:
+  1. CLI command structure reorganization
+  2. No Node.js requirement
+  3. Windows ARM not supported
+  4. Installation path changes
+- [ ] Provide command mapping table
+- [ ] Explain config compatibility
+- [ ] Document upgrade procedure
+- [ ] Add rollback instructions
+
+### 7.3 Update CHANGELOG.md
+
+- [ ] Add v4.0.0 section with all breaking changes
+- [ ] List new features (Deno, single executable)
+- [ ] List improvements (startup time, binary size)
+- [ ] List removed features (Windows ARM, setup command alias)
+- [ ] Migration guide reference
+
+### 7.4 Update Help Text
+
+- [ ] Ensure all help commands show new structure
+- [ ] Add examples for common operations
+- [ ] Include migration notes in help output
+
+---
+
+## Phase 8: Cleanup & Finalization (1 hour)
+
+### 8.1 Remove Obsolete Files
+
+- [ ] Delete `vendor/` directory (Node.js binaries)
+- [ ] Delete `dist/` directory (old compiled JS)
+- [ ] Delete `dist_ts/` directory (old compiled TS)
+- [ ] Delete `node_modules/` directory
+- [ ] Remove or update `tsconfig.json` (decide if needed for npm compatibility)
+- [ ] Remove `setup.sh` if no longer needed
+- [ ] Remove old test files in `test/` if migrated to `tests/`
+- [ ] Delete `pnpm-lock.yaml`
+
+### 8.2 Update Git Configuration
+
+- [ ] Update `.gitignore`:
+  ```
+  # Deno
+  .deno/
+  deno.lock
+
+  # Compiled binaries
+  dist/binaries/
+
+  # Old Node.js artifacts (to be removed)
+  node_modules/
+  vendor/
+  dist/
+  dist_ts/
+  pnpm-lock.yaml
+  ```
+- [ ] Add `deno.lock` to version control
+- [ ] Create `.denoignore` if needed
+
+### 8.3 Final Validation
+
+- [ ] Run `deno check mod.ts` - verify no type errors
+- [ ] Run `deno lint` - verify code quality
+- [ ] Run `deno fmt --check` - verify formatting
+- [ ] Run `deno task test` - verify all tests pass
+- [ ] Run `deno task compile` - verify all binaries compile
+- [ ] Test each binary manually
+
+### 8.4 Prepare for Release
+
+- [ ] Create git tag: `v4.0.0`
+- [ ] Push to main branch
+- [ ] Push tags to trigger release workflow
+- [ ] Verify GitHub Actions workflow succeeds
+- [ ] Verify binaries are attached to release
+- [ ] Test installation from GitHub release
+- [ ] Publish to npm: `npm publish`
+- [ ] Test npm installation
+
+---
+
+## Rollback Strategy
+
+If critical issues are discovered:
+
+- [ ] Keep `v3.1.2` tag available for rollback
+- [ ] Create `v3-stable` branch for continued v3 maintenance
+- [ ] Update install.sh to offer v3/v4 choice
+- [ ] Document known issues in GitHub Issues
+- [ ] Provide downgrade instructions in docs
+
+---
+
+## Success Criteria Checklist
+
+- [ ] ✅ All 5 platform binaries compile successfully
+- [ ] ✅ Binary sizes are reasonable (< 100MB per platform)
+- [ ] ✅ Startup time < 2 seconds
+- [ ] ✅ SNMP v1/v2c/v3 functionality verified on real UPS device
+- [ ] ✅ All CLI commands work with new structure
+- [ ] ✅ Config file compatibility maintained
+- [ ] ✅ Systemd integration works on Linux
+- [ ] ✅ Installation scripts work on fresh systems
+- [ ] ✅ npm package still installable and functional
+- [ ] ✅ All tests pass
+- [ ] ✅ Documentation is complete and accurate
+- [ ] ✅ GitHub release created with binaries
+- [ ] ✅ Migration guide tested by following it step-by-step
+
+---
+
+## Timeline
+
+- **Phase 0**: 1 hour ✓ (in progress)
+- **Phase 1**: 4-6 hours
+- **Phase 2**: 3-4 hours
+- **Phase 3**: 3-4 hours
+- **Phase 4**: 2-3 hours
+- **Phase 5**: 4-6 hours
+- **Phase 6**: 2-3 hours
+- **Phase 7**: 2-3 hours
+- **Phase 8**: 1 hour
+
+**Total Estimate**: 22-31 hours
+
+---
+
+## Notes & Decisions
+
+### Key Decisions Made:
+
+1. ✅ Use npm:net-snmp (no pure Deno SNMP library available)
+2. ✅ Major version bump to 4.0.0 (breaking changes)
+3. ✅ CLI reorganization with subcommands
+4. ✅ Keep npm publishing alongside binary distribution
+5. ✅ 5 platform targets (Windows ARM not supported by Deno yet)
+
+### Open Questions:
+
+- [ ] Should we keep tsconfig.json for npm package compatibility?
+- [ ] Should we fully migrate to Deno APIs (Deno.readFile) or keep node:fs?
+- [ ] Should we remove the `bin/nupst` wrapper or keep it?
+- [ ] Should setup.sh be completely removed or kept for dependencies?
+
+### Risk Areas:
+
+- ⚠️ SNMP native addon compatibility in compiled binaries (HIGH PRIORITY TO TEST)
+- ⚠️ Systemd integration with new binary structure
+- ⚠️ Config migration from v3 to v4
+- ⚠️ npm package installation with embedded binaries

scripts/compile-all.sh

@@ -0,0 +1,66 @@
+#!/bin/bash
+set -e
+
+# Get version from deno.json
+VERSION=$(cat deno.json | grep -o '"version": *"[^"]*"' | cut -d'"' -f4)
+BINARY_DIR="dist/binaries"
+
+echo "================================================"
+echo "  NUPST Compilation Script"
+echo "  Version: ${VERSION}"
+echo "================================================"
+echo ""
+echo "Compiling for all supported platforms..."
+echo ""
+
+# Clean up old binaries and create fresh directory
+rm -rf "$BINARY_DIR"
+mkdir -p "$BINARY_DIR"
+echo "→ Cleaned old binaries from $BINARY_DIR"
+echo ""
+
+# Linux x86_64
+echo "→ Compiling for Linux x86_64..."
+deno compile --allow-all --no-check --output "$BINARY_DIR/nupst-linux-x64" \
+  --target x86_64-unknown-linux-gnu mod.ts
+echo "  ✓ Linux x86_64 complete"
+echo ""
+
+# Linux ARM64
+echo "→ Compiling for Linux ARM64..."
+deno compile --allow-all --no-check --output "$BINARY_DIR/nupst-linux-arm64" \
+  --target aarch64-unknown-linux-gnu mod.ts
+echo "  ✓ Linux ARM64 complete"
+echo ""
+
+# macOS x86_64
+echo "→ Compiling for macOS x86_64..."
+deno compile --allow-all --no-check --output "$BINARY_DIR/nupst-macos-x64" \
+  --target x86_64-apple-darwin mod.ts
+echo "  ✓ macOS x86_64 complete"
+echo ""
+
+# macOS ARM64
+echo "→ Compiling for macOS ARM64..."
+deno compile --allow-all --no-check --output "$BINARY_DIR/nupst-macos-arm64" \
+  --target aarch64-apple-darwin mod.ts
+echo "  ✓ macOS ARM64 complete"
+echo ""
+
+# Windows x86_64
+echo "→ Compiling for Windows x86_64..."
+deno compile --allow-all --no-check --output "$BINARY_DIR/nupst-windows-x64.exe" \
+  --target x86_64-pc-windows-msvc mod.ts
+echo "  ✓ Windows x86_64 complete"
+echo ""
+
+echo "================================================"
+echo "  Compilation Summary"
+echo "================================================"
+echo ""
+ls -lh "$BINARY_DIR/" | tail -n +2
+echo ""
+echo "✓ All binaries compiled successfully!"
+echo ""
+echo "Binary location: $BINARY_DIR/"
+echo ""

setup.sh

@@ -1,328 +0,0 @@
-#!/bin/bash
-
-# NUPST Setup Script
-# Downloads the appropriate Node.js binary for the current platform
-# and installs production dependencies
-
-# Parse command line arguments
-FORCE_UPDATE=0
-
-for arg in "$@"; do
-  case $arg in
-    --force|-f)
-      FORCE_UPDATE=1
-      shift
-      ;;
-    *)
-      # Unknown option
-      ;;
-  esac
-done
-
-# Find the directory where this script is located
-SCRIPT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )"
-
-# Create vendor directory if it doesn't exist
-mkdir -p "$SCRIPT_DIR/vendor"
-
-# Get the latest LTS Node.js version
-echo "Determining latest LTS Node.js version..."
-NODE_VERSIONS_JSON=$(curl -s https://nodejs.org/dist/index.json)
-if [ $? -ne 0 ]; then
-  echo "Warning: Could not fetch latest Node.js versions. Using fallback version."
-  NODE_VERSION="20.11.1"  # Fallback to a recent LTS version
-else
-  # Extract the latest LTS version (those marked with lts field)
-  NODE_VERSION=$(echo "$NODE_VERSIONS_JSON" | grep -o '"version":"v[0-9.]*".*"lts":[^,]*' | grep -v '"lts":false' | grep -o 'v[0-9.]*' | head -1 | cut -c 2-)
-  
-  if [ -z "$NODE_VERSION" ]; then
-    echo "Warning: Could not determine latest LTS version. Using fallback version."
-    NODE_VERSION="20.11.1"  # Fallback to a recent LTS version
-  else
-    echo "Latest Node.js LTS version: $NODE_VERSION"
-  fi
-fi
-
-# Detect architecture
-ARCH=$(uname -m)
-OS=$(uname -s)
-
-# Map architecture and OS to Node.js download URL
-NODE_URL=""
-NODE_DIR=""
-case "$OS" in
-  Linux)
-    case "$ARCH" in
-      x86_64)
-        NODE_URL="https://nodejs.org/dist/v$NODE_VERSION/node-v$NODE_VERSION-linux-x64.tar.gz"
-        NODE_DIR="node-linux-x64"
-        ;;
-      aarch64|arm64)
-        NODE_URL="https://nodejs.org/dist/v$NODE_VERSION/node-v$NODE_VERSION-linux-arm64.tar.gz"
-        NODE_DIR="node-linux-arm64"
-        ;;
-      *)
-        echo "Unsupported architecture: $ARCH. Please install Node.js manually."
-        exit 1
-        ;;
-    esac
-    ;;
-  Darwin)
-    case "$ARCH" in
-      x86_64)
-        NODE_URL="https://nodejs.org/dist/v$NODE_VERSION/node-v$NODE_VERSION-darwin-x64.tar.gz"
-        NODE_DIR="node-darwin-x64"
-        ;;
-      arm64)
-        NODE_URL="https://nodejs.org/dist/v$NODE_VERSION/node-v$NODE_VERSION-darwin-arm64.tar.gz"
-        NODE_DIR="node-darwin-arm64"
-        ;;
-      *)
-        echo "Unsupported architecture: $ARCH. Please install Node.js manually."
-        exit 1
-        ;;
-    esac
-    ;;
-  *)
-    echo "Unsupported operating system: $OS. Please install Node.js manually."
-    exit 1
-    ;;
-esac
-
-# Check if we already have the Node.js binary
-if [ -f "$SCRIPT_DIR/vendor/$NODE_DIR/bin/node" ] && [ $FORCE_UPDATE -eq 0 ]; then
-  echo "Node.js binary already exists for $OS-$ARCH. Skipping download."
-  echo "Use --force or -f to force update Node.js."
-else
-  echo "Downloading Node.js v$NODE_VERSION for $OS-$ARCH..."
-  
-  # Download and extract Node.js
-  TMP_FILE="$SCRIPT_DIR/vendor/node.tar.gz"
-  curl -L "$NODE_URL" -o "$TMP_FILE"
-  
-  if [ $? -ne 0 ]; then
-    echo "Error downloading Node.js. Please check your internet connection and try again."
-    exit 1
-  fi
-  
-  # Create target directory
-  mkdir -p "$SCRIPT_DIR/vendor/$NODE_DIR"
-  
-  # Extract Node.js
-  tar -xzf "$TMP_FILE" -C "$SCRIPT_DIR/vendor"
-  
-  # Move extracted files to the target directory
-  NODE_EXTRACT_DIR=$(find "$SCRIPT_DIR/vendor" -maxdepth 1 -name "node-v*" -type d | head -n 1)
-  if [ -d "$NODE_EXTRACT_DIR" ]; then
-    cp -R "$NODE_EXTRACT_DIR"/* "$SCRIPT_DIR/vendor/$NODE_DIR/"
-    rm -rf "$NODE_EXTRACT_DIR"
-  else
-    echo "Error extracting Node.js. Please try again."
-    exit 1
-  fi
-  
-  # Clean up
-  rm "$TMP_FILE"
-  
-  echo "Node.js v$NODE_VERSION for $OS-$ARCH has been downloaded and extracted."
-fi
-
-# Remove any existing dist_ts directory
-if [ -d "$SCRIPT_DIR/dist_ts" ]; then
-  echo "Removing existing dist_ts directory..."
-  rm -rf "$SCRIPT_DIR/dist_ts"
-fi
-
-# Download dist_ts from npm registry
-echo "Downloading dist_ts from npm registry..."
-
-# Create temp directory
-TEMP_DIR=$(mktemp -d)
-
-# Get version from package.json
-if [ -f "$SCRIPT_DIR/package.json" ]; then
-  echo "Reading version from package.json..."
-  # Extract version using grep and cut
-  VERSION=$(grep -o '"version": "[^"]*"' "$SCRIPT_DIR/package.json" | cut -d'"' -f4)
-  
-  if [ -z "$VERSION" ]; then
-    echo "Error: Could not determine version from package.json."
-    rm -rf "$TEMP_DIR"
-    exit 1
-  fi
-  
-  echo "Package version is $VERSION. Downloading matching package tarball..."
-else
-  echo "Warning: package.json not found. Getting latest version from npm registry..."
-  VERSION=$(curl -s https://registry.npmjs.org/@serve.zone/nupst | grep -o '"latest":"[^"]*"' | cut -d'"' -f4)
-  
-  if [ -z "$VERSION" ]; then
-    echo "Error: Could not determine version from npm registry."
-    rm -rf "$TEMP_DIR"
-    exit 1
-  fi
-  
-  echo "Latest version is $VERSION. Using as fallback."
-fi
-
-# First try to download with the version from package.json
-TARBALL_URL="https://registry.npmjs.org/@serve.zone/nupst/-/nupst-$VERSION.tgz"
-TARBALL_PATH="$TEMP_DIR/nupst.tgz"
-
-echo "Attempting to download version $VERSION from $TARBALL_URL..."
-curl -sL "$TARBALL_URL" -o "$TARBALL_PATH"
-
-# If download fails or file is empty, try to get the latest version from npm
-if [ $? -ne 0 ] || [ ! -s "$TARBALL_PATH" ]; then
-  echo "Package version $VERSION not found on npm registry."
-  echo "Fetching latest version information from npm registry..."
-  
-  # Get latest version from npm registry
-  NPM_REGISTRY_INFO=$(curl -s https://registry.npmjs.org/@serve.zone/nupst)
-  
-  if [ $? -ne 0 ]; then
-    echo "Error: Could not connect to npm registry."
-    echo "Will attempt to build from source instead."
-    rm -rf "$TEMP_DIR"
-    mkdir -p "$SCRIPT_DIR/dist_ts"
-    BUILD_FROM_SOURCE=1
-    return 0
-  fi
-  
-  # Extract latest version
-  LATEST_VERSION=$(echo "$NPM_REGISTRY_INFO" | grep -o '"latest":"[^"]*"' | cut -d'"' -f4)
-  
-  if [ -z "$LATEST_VERSION" ]; then
-    echo "Error: Could not determine latest version from npm registry."
-    echo "Will attempt to build from source instead."
-    rm -rf "$TEMP_DIR"
-    mkdir -p "$SCRIPT_DIR/dist_ts"
-    BUILD_FROM_SOURCE=1
-    return 0
-  fi
-  
-  echo "Found latest version: $LATEST_VERSION. Downloading..."
-  
-  TARBALL_URL="https://registry.npmjs.org/@serve.zone/nupst/-/nupst-$LATEST_VERSION.tgz"
-  TARBALL_PATH="$TEMP_DIR/nupst.tgz"
-  
-  curl -sL "$TARBALL_URL" -o "$TARBALL_PATH"
-  
-  if [ $? -ne 0 ] || [ ! -s "$TARBALL_PATH" ]; then
-    echo "Error: Failed to download any package version from npm registry."
-    echo "Installation cannot continue without the dist_ts directory."
-    rm -rf "$TEMP_DIR"
-    exit 1
-  fi
-fi
-
-# Extract the tarball
-mkdir -p "$TEMP_DIR/extract"
-tar -xzf "$TARBALL_PATH" -C "$TEMP_DIR/extract"
-
-# Copy dist_ts to the installation directory
-if [ -d "$TEMP_DIR/extract/package/dist_ts" ]; then
-  echo "Copying dist_ts directory to installation..."
-  mkdir -p "$SCRIPT_DIR/dist_ts"
-  cp -R "$TEMP_DIR/extract/package/dist_ts/"* "$SCRIPT_DIR/dist_ts/"
-else
-  echo "Error: dist_ts directory not found in the downloaded npm package."
-  rm -rf "$TEMP_DIR"
-  exit 1
-fi
-
-# Clean up
-rm -rf "$TEMP_DIR"
-
-echo "dist_ts directory successfully downloaded from npm registry."
-
-# Make launcher script executable
-chmod +x "$SCRIPT_DIR/bin/nupst"
-
-# Set up Node.js binary path
-NODE_BIN_DIR="$SCRIPT_DIR/vendor/$NODE_DIR/bin"
-NODE_BIN="$NODE_BIN_DIR/node"
-NPM_CLI_JS="$NODE_BIN_DIR/../lib/node_modules/npm/bin/npm-cli.js"
-
-# Ensure we have executable permissions
-chmod +x "$NODE_BIN"
-
-# Make sure the npm-cli.js exists
-if [ ! -f "$NPM_CLI_JS" ]; then
-  # Try to find npm-cli.js
-  NPM_CLI_JS=$(find "$NODE_BIN_DIR/.." -name "npm-cli.js" | head -1)
-  
-  if [ -z "$NPM_CLI_JS" ]; then
-    echo "Warning: Could not find npm-cli.js, npm commands may fail"
-    # Set to a fallback value so code can continue
-    NPM_CLI_JS="$NODE_BIN_DIR/npm"
-  else
-    echo "Found npm-cli.js at: $NPM_CLI_JS"
-  fi
-fi
-
-# Display which binaries we're using
-echo "Using Node binary: $NODE_BIN"
-echo "Using NPM CLI JS: $NPM_CLI_JS"
-
-# Remove existing node_modules directory and package files
-echo "Cleaning up existing installation..."
-rm -rf "$SCRIPT_DIR/node_modules"
-rm -f "$SCRIPT_DIR/package-lock.json"
-
-# Back up existing package.json if it exists
-if [ -f "$SCRIPT_DIR/package.json" ]; then
-  echo "Backing up existing package.json..."
-  cp "$SCRIPT_DIR/package.json" "$SCRIPT_DIR/package.json.bak"
-fi
-
-# Create a clean minimal package.json with ONLY net-snmp dependency
-echo "Creating minimal package.json with only net-snmp dependency..."
-VERSION=$(grep -o '"version": "[^"]*"' "$SCRIPT_DIR/package.json.bak" | head -1 | cut -d'"' -f4 || echo "2.6.3")
-echo '{
-  "name": "@serve.zone/nupst",
-  "version": "'$VERSION'",
-  "description": "Node.js UPS Shutdown Tool for SNMP-enabled UPS devices",
-  "main": "dist_ts/index.js",
-  "type": "module",
-  "bin": {
-    "nupst": "bin/nupst"
-  },
-  "dependencies": {
-    "net-snmp": "3.20.0"
-  },
-  "engines": {
-    "node": ">=16.0.0"
-  },
-  "private": true
-}' > "$SCRIPT_DIR/package.json"
-
-# Install ONLY net-snmp
-echo "Installing ONLY net-snmp dependency (+ 2 subdependencies)..."
-echo "Node version: $("$NODE_BIN" --version)"
-echo "Executing NPM directly with Node.js"
-
-# Execute npm-cli.js directly with our Node.js binary
-"$NODE_BIN" "$NPM_CLI_JS" --prefix "$SCRIPT_DIR" install --no-audit --no-fund
-
-INSTALL_STATUS=$?
-if [ $INSTALL_STATUS -ne 0 ]; then
-  echo "Error: Failed to install net-snmp dependency. NUPST may not function correctly."
-  echo "Restoring original package.json..."
-  mv "$SCRIPT_DIR/package.json.bak" "$SCRIPT_DIR/package.json"
-  exit 1
-else
-  echo "net-snmp dependency installed successfully."
-  # Show what's actually installed
-  echo "Installed modules:"
-  find "$SCRIPT_DIR/node_modules" -maxdepth 1 -type d | grep -v "^$SCRIPT_DIR/node_modules$" | sort
-  
-  # Remove backup if successful
-  rm -f "$SCRIPT_DIR/package.json.bak"
-fi
-
-# No temporary files to clean up
-
-echo "NUPST setup completed successfully."
-echo "You can now run NUPST using: $SCRIPT_DIR/bin/nupst"
-echo "To install NUPST globally, run: sudo ln -s $SCRIPT_DIR/bin/nupst /usr/local/bin/nupst"

test/manualdocker/00-test-fresh-v4-install.sh

@@ -0,0 +1,168 @@
+#!/bin/bash
+#
+# Test fresh v4 installation from scratch
+# Tests the most common user scenario: clean install using curl | bash
+#
+
+set -e
+
+CONTAINER_NAME="nupst-test-fresh-v4"
+
+echo "================================================"
+echo "  NUPST Fresh v4 Installation Test"
+echo "================================================"
+echo ""
+
+# Check if container already exists
+if docker ps -a --format '{{.Names}}' | grep -q "^${CONTAINER_NAME}$"; then
+  echo "⚠️  Container ${CONTAINER_NAME} already exists"
+  read -p "Remove and recreate? (y/N): " -n 1 -r
+  echo
+  if [[ $REPLY =~ ^[Yy]$ ]]; then
+    echo "→ Stopping and removing existing container..."
+    docker stop ${CONTAINER_NAME} 2>/dev/null || true
+    docker rm ${CONTAINER_NAME} 2>/dev/null || true
+  else
+    echo "Exiting. Remove manually with: docker rm -f ${CONTAINER_NAME}"
+    exit 1
+  fi
+fi
+
+echo "→ Creating Docker container with systemd..."
+docker run -d \
+  --name ${CONTAINER_NAME} \
+  --privileged \
+  --cgroupns=host \
+  -v /sys/fs/cgroup:/sys/fs/cgroup:rw \
+  ubuntu:22.04 \
+  /bin/bash -c "apt-get update && apt-get install -y systemd systemd-sysv && exec /sbin/init"
+
+echo "→ Waiting for systemd to initialize..."
+sleep 10
+
+echo "→ Waiting for dpkg lock to be released..."
+docker exec ${CONTAINER_NAME} bash -c "
+  while fuser /var/lib/dpkg/lock-frontend >/dev/null 2>&1; do
+    echo '  Waiting for dpkg lock...'
+    sleep 2
+  done
+  echo '  dpkg lock released'
+"
+
+echo "→ Installing prerequisites (curl)..."
+docker exec ${CONTAINER_NAME} bash -c "
+  apt-get update -qq
+  apt-get install -y -qq curl
+"
+
+echo ""
+echo "→ Installing NUPST v4 using curl | bash..."
+echo "   Command: curl -sSL https://code.foss.global/serve.zone/nupst/raw/branch/main/install.sh | bash -s -- -y"
+echo ""
+
+docker exec ${CONTAINER_NAME} bash -c "
+  curl -sSL https://code.foss.global/serve.zone/nupst/raw/branch/main/install.sh | bash -s -- -y
+"
+
+echo ""
+echo "================================================"
+echo "  Verifying Installation"
+echo "================================================"
+echo ""
+
+echo "→ Checking binary location..."
+docker exec ${CONTAINER_NAME} bash -c "
+  if [ -f /opt/nupst/nupst ]; then
+    echo '  ✓ Binary exists at /opt/nupst/nupst'
+    ls -lh /opt/nupst/nupst
+  else
+    echo '  ✗ Binary not found at /opt/nupst/nupst'
+    exit 1
+  fi
+"
+
+echo ""
+echo "→ Checking symlink..."
+docker exec ${CONTAINER_NAME} bash -c "
+  if [ -L /usr/local/bin/nupst ]; then
+    echo '  ✓ Symlink exists at /usr/local/bin/nupst'
+    ls -lh /usr/local/bin/nupst
+  elif [ -L /usr/bin/nupst ]; then
+    echo '  ✓ Symlink exists at /usr/bin/nupst'
+    ls -lh /usr/bin/nupst
+  else
+    echo '  ✗ Symlink not found in /usr/local/bin or /usr/bin'
+    exit 1
+  fi
+"
+
+echo ""
+echo "→ Checking PATH integration..."
+docker exec ${CONTAINER_NAME} bash -c "
+  NUPST_PATH=\$(which nupst 2>/dev/null)
+  if [ -n \"\$NUPST_PATH\" ]; then
+    echo '  ✓ nupst found in PATH at: '\$NUPST_PATH
+  else
+    echo '  ✗ nupst not found in PATH'
+    echo '  PATH contents:'
+    echo \$PATH
+    exit 1
+  fi
+"
+
+echo ""
+echo "→ Testing nupst command execution..."
+docker exec ${CONTAINER_NAME} nupst --version
+
+echo ""
+echo "→ Creating minimal config for service test..."
+docker exec ${CONTAINER_NAME} bash -c "
+  mkdir -p /etc/nupst
+  cat > /etc/nupst/config.json << 'EOF'
+{
+  \"version\": \"4.0\",
+  \"upsDevices\": [],
+  \"groups\": [],
+  \"checkInterval\": 30000
+}
+EOF
+  echo '  ✓ Minimal config created'
+"
+
+echo ""
+echo "→ Testing service creation..."
+docker exec ${CONTAINER_NAME} bash -c "
+  echo '  Running: nupst service enable'
+  nupst service enable
+
+  if [ -f /etc/systemd/system/nupst.service ]; then
+    echo '  ✓ Service file created successfully'
+  else
+    echo '  ✗ Service file creation failed'
+    exit 1
+  fi
+"
+
+echo ""
+echo "→ Checking if service is enabled..."
+docker exec ${CONTAINER_NAME} systemctl is-enabled nupst
+
+echo ""
+echo "================================================"
+echo "  ✓ Fresh v4 Installation Test Complete"
+echo "================================================"
+echo ""
+echo "Installation verified successfully:"
+echo "  • Binary installed to /opt/nupst/nupst"
+echo "  • Symlink created for global access"
+echo "  • nupst command available in PATH"
+echo "  • Command executes correctly"
+echo "  • Systemd service file created"
+echo ""
+echo "Useful commands:"
+echo "  docker exec -it ${CONTAINER_NAME} bash"
+echo "  docker exec ${CONTAINER_NAME} nupst --help"
+echo "  docker exec ${CONTAINER_NAME} nupst service status"
+echo "  docker stop ${CONTAINER_NAME}"
+echo "  docker rm -f ${CONTAINER_NAME}"
+echo ""

test/manualdocker/01-setup-v3-container.sh

@@ -0,0 +1,148 @@
+#!/bin/bash
+#
+# Setup Docker container with systemd and install NUPST v3
+# This creates a container from commit 806f81c6a057a2a5da586b96a231d391f12eb1bb (v3)
+#
+
+set -e
+
+CONTAINER_NAME="nupst-test-v3"
+V3_COMMIT="806f81c6a057a2a5da586b96a231d391f12eb1bb"
+
+echo "================================================"
+echo "  NUPST v3 Test Container Setup"
+echo "================================================"
+echo ""
+
+# Check if container already exists
+if docker ps -a --format '{{.Names}}' | grep -q "^${CONTAINER_NAME}$"; then
+  echo "⚠️  Container ${CONTAINER_NAME} already exists"
+  read -p "Remove and recreate? (y/N): " -n 1 -r
+  echo
+  if [[ $REPLY =~ ^[Yy]$ ]]; then
+    echo "→ Stopping and removing existing container..."
+    docker stop ${CONTAINER_NAME} 2>/dev/null || true
+    docker rm ${CONTAINER_NAME} 2>/dev/null || true
+  else
+    echo "Exiting. Remove manually with: docker rm -f ${CONTAINER_NAME}"
+    exit 1
+  fi
+fi
+
+echo "→ Creating Docker container (will install systemd)..."
+docker run -d \
+  --name ${CONTAINER_NAME} \
+  --privileged \
+  --cgroupns=host \
+  -v /sys/fs/cgroup:/sys/fs/cgroup:rw \
+  ubuntu:22.04 \
+  /bin/bash -c "apt-get update && apt-get install -y systemd systemd-sysv && exec /sbin/init"
+
+echo "→ Waiting for systemd to initialize..."
+sleep 10
+
+echo "→ Waiting for dpkg lock to be released..."
+docker exec ${CONTAINER_NAME} bash -c "
+  while fuser /var/lib/dpkg/lock-frontend >/dev/null 2>&1; do
+    echo '  Waiting for dpkg lock...'
+    sleep 2
+  done
+  echo '  dpkg lock released'
+"
+
+echo "→ Installing prerequisites in container..."
+docker exec ${CONTAINER_NAME} bash -c "
+  apt-get update -qq
+  apt-get install -y -qq git curl sudo jq
+"
+
+echo "→ Cloning NUPST v3 (commit ${V3_COMMIT})..."
+docker exec ${CONTAINER_NAME} bash -c "
+  cd /opt
+  git clone https://code.foss.global/serve.zone/nupst.git
+  cd nupst
+  git checkout ${V3_COMMIT}
+  echo 'Checked out commit:'
+  git log -1 --oneline
+"
+
+echo "→ Running NUPST v3 installation directly (bypassing install.sh auto-update)..."
+docker exec ${CONTAINER_NAME} bash -c "
+  cd /opt/nupst
+  # Run setup.sh directly to avoid install.sh trying to update to v4
+  bash setup.sh -y
+"
+
+echo "→ Creating NUPST configuration using real UPS data from .nogit/env.json..."
+
+# Check if .nogit/env.json exists
+if [ ! -f "../../.nogit/env.json" ]; then
+  echo "❌ Error: .nogit/env.json not found"
+  echo "This file contains test UPS credentials and is required for testing"
+  exit 1
+fi
+
+# Read UPS data from .nogit/env.json and create v3 config
+docker exec ${CONTAINER_NAME} bash -c "mkdir -p /etc/nupst"
+
+# Generate config from .nogit/env.json using jq
+cat ../../.nogit/env.json | jq -r '
+{
+  "upsList": [
+    {
+      "id": "test-ups-v1",
+      "name": "Test UPS (SNMP v1)",
+      "host": .testConfigV1.snmp.host,
+      "port": .testConfigV1.snmp.port,
+      "community": .testConfigV1.snmp.community,
+      "version": (.testConfigV1.snmp.version | tostring),
+      "batteryLowOID": "1.3.6.1.4.1.935.1.1.1.3.3.1.0",
+      "onBatteryOID": "1.3.6.1.4.1.935.1.1.1.3.3.2.0",
+      "shutdownCommand": "echo \"Shutdown triggered for test-ups-v1\""
+    },
+    {
+      "id": "test-ups-v3",
+      "name": "Test UPS (SNMP v3)",
+      "host": .testConfigV3.snmp.host,
+      "port": .testConfigV3.snmp.port,
+      "version": (.testConfigV3.snmp.version | tostring),
+      "securityLevel": .testConfigV3.snmp.securityLevel,
+      "username": .testConfigV3.snmp.username,
+      "authProtocol": .testConfigV3.snmp.authProtocol,
+      "authKey": .testConfigV3.snmp.authKey,
+      "batteryLowOID": "1.3.6.1.4.1.935.1.1.1.3.3.1.0",
+      "onBatteryOID": "1.3.6.1.4.1.935.1.1.1.3.3.2.0",
+      "shutdownCommand": "echo \"Shutdown triggered for test-ups-v3\""
+    }
+  ],
+  "groups": []
+}' | docker exec -i ${CONTAINER_NAME} tee /etc/nupst/config.json > /dev/null
+
+echo "  ✓ Real UPS config created at /etc/nupst/config.json (from .nogit/env.json)"
+
+echo "→ Enabling NUPST systemd service..."
+docker exec ${CONTAINER_NAME} bash -c "
+  nupst enable
+"
+
+echo "→ Starting NUPST service..."
+docker exec ${CONTAINER_NAME} bash -c "
+  nupst start
+"
+
+echo ""
+echo "================================================"
+echo "  ✓ NUPST v3 Container Ready"
+echo "================================================"
+echo ""
+echo "Container name: ${CONTAINER_NAME}"
+echo "NUPST version: v3 (commit ${V3_COMMIT})"
+echo ""
+echo "Useful commands:"
+echo "  docker exec -it ${CONTAINER_NAME} bash"
+echo "  docker exec ${CONTAINER_NAME} systemctl status nupst"
+echo "  docker exec ${CONTAINER_NAME} nupst --version"
+echo "  docker stop ${CONTAINER_NAME}"
+echo "  docker start ${CONTAINER_NAME}"
+echo "  docker rm -f ${CONTAINER_NAME}"
+echo ""

test/manualdocker/02-test-v3-to-v4-migration.sh

@@ -0,0 +1,59 @@
+#!/bin/bash
+#
+# Test migration from v3 to v4
+# Run this after 01-setup-v3-container.sh
+#
+
+set -e
+
+CONTAINER_NAME="nupst-test-v3"
+
+echo "================================================"
+echo "  NUPST v3 → v4 Migration Test"
+echo "================================================"
+echo ""
+
+# Check if container exists
+if ! docker ps --format '{{.Names}}' | grep -q "^${CONTAINER_NAME}$"; then
+  echo "❌ Container ${CONTAINER_NAME} is not running"
+  echo "Run ./01-setup-v3-container.sh first"
+  exit 1
+fi
+
+echo "→ Checking current NUPST status..."
+docker exec ${CONTAINER_NAME} systemctl status nupst --no-pager || true
+echo ""
+
+echo "→ Checking current version..."
+docker exec ${CONTAINER_NAME} nupst --version
+echo ""
+
+echo "→ Stopping v3 service..."
+docker exec ${CONTAINER_NAME} systemctl stop nupst
+echo ""
+
+echo "→ Running v4 installation from main branch (should auto-detect v3 and migrate)..."
+echo "   Using: curl -sSL https://code.foss.global/serve.zone/nupst/raw/branch/main/install.sh | sudo bash"
+docker exec ${CONTAINER_NAME} bash -c "
+  curl -sSL https://code.foss.global/serve.zone/nupst/raw/branch/main/install.sh | bash -s -- -y
+"
+
+echo "→ Checking service status after migration..."
+docker exec ${CONTAINER_NAME} systemctl status nupst --no-pager || true
+echo ""
+
+echo "→ Checking new version..."
+docker exec ${CONTAINER_NAME} nupst --version
+echo ""
+
+echo "→ Testing service commands..."
+docker exec ${CONTAINER_NAME} nupst service status || true
+echo ""
+
+echo "================================================"
+echo "  ✓ Migration Test Complete"
+echo "================================================"
+echo ""
+echo "Check logs with:"
+echo "  docker exec ${CONTAINER_NAME} nupst service logs"
+echo ""

test/manualdocker/03-cleanup.sh

@@ -0,0 +1,28 @@
+#!/bin/bash
+#
+# Cleanup test container
+#
+
+set -e
+
+CONTAINER_NAME="nupst-test-v3"
+
+echo "================================================"
+echo "  Cleanup NUPST Test Container"
+echo "================================================"
+echo ""
+
+if docker ps -a --format '{{.Names}}' | grep -q "^${CONTAINER_NAME}$"; then
+  echo "→ Stopping container..."
+  docker stop ${CONTAINER_NAME} 2>/dev/null || true
+
+  echo "→ Removing container..."
+  docker rm ${CONTAINER_NAME} 2>/dev/null || true
+
+  echo ""
+  echo "✓ Container ${CONTAINER_NAME} removed"
+else
+  echo "Container ${CONTAINER_NAME} not found"
+fi
+
+echo ""

test/manualdocker/README.md

@@ -0,0 +1,149 @@
+# Manual Docker Testing Scripts
+
+This directory contains scripts for manually testing NUPST installation and migration in Docker containers with systemd support.
+
+## Prerequisites
+
+- Docker installed and running
+- Privileged access (for systemd in container)
+- Linux host (systemd container requirements)
+
+## Test Scripts
+
+### 1. `01-setup-v3-container.sh`
+
+Creates a Docker container with systemd and installs NUPST v3.
+
+**What it does:**
+- Creates Ubuntu 22.04 container with systemd enabled
+- Installs NUPST v3 from commit `806f81c6` (last v3 version)
+- Enables and starts the systemd service
+- Leaves container running for testing
+
+**Usage:**
+```bash
+chmod +x 01-setup-v3-container.sh
+./01-setup-v3-container.sh
+```
+
+**Container name:** `nupst-test-v3`
+
+### 2. `02-test-v3-to-v4-migration.sh`
+
+Tests the migration from v3 to v4.
+
+**What it does:**
+- Checks current v3 installation
+- Pulls v4 code from `migration/deno-v4` branch
+- Runs install.sh (should auto-detect and migrate)
+- Verifies service is running with v4
+- Tests basic commands
+
+**Usage:**
+```bash
+chmod +x 02-test-v3-to-v4-migration.sh
+./02-test-v3-to-v4-migration.sh
+```
+
+**Prerequisites:** Must run `01-setup-v3-container.sh` first
+
+### 3. `03-cleanup.sh`
+
+Removes the test container.
+
+**Usage:**
+```bash
+chmod +x 03-cleanup.sh
+./03-cleanup.sh
+```
+
+## Manual Testing Workflow
+
+### Full Migration Test
+
+1. **Set up v3 environment:**
+   ```bash
+   ./01-setup-v3-container.sh
+   ```
+
+2. **Verify v3 is working:**
+   ```bash
+   docker exec nupst-test-v3 nupst --version
+   docker exec nupst-test-v3 systemctl status nupst
+   ```
+
+3. **Test migration to v4:**
+   ```bash
+   ./02-test-v3-to-v4-migration.sh
+   ```
+
+4. **Manual verification:**
+   ```bash
+   # Enter container
+   docker exec -it nupst-test-v3 bash
+
+   # Inside container:
+   nupst --version                    # Should show v4.0.0
+   nupst service status               # Should show running service
+   cat /etc/nupst/config.json         # Config should be preserved
+   systemctl status nupst             # Service should be active
+   ```
+
+5. **Cleanup:**
+   ```bash
+   ./03-cleanup.sh
+   ```
+
+## Useful Docker Commands
+
+```bash
+# Enter container shell
+docker exec -it nupst-test-v3 bash
+
+# Check service status
+docker exec nupst-test-v3 systemctl status nupst
+
+# View service logs
+docker exec nupst-test-v3 journalctl -u nupst -n 50
+
+# Check NUPST version
+docker exec nupst-test-v3 nupst --version
+
+# Run NUPST commands
+docker exec nupst-test-v3 nupst service status
+docker exec nupst-test-v3 nupst ups list
+
+# Stop container
+docker stop nupst-test-v3
+
+# Start container
+docker start nupst-test-v3
+
+# Remove container
+docker rm -f nupst-test-v3
+```
+
+## Notes
+
+- The container runs with `--privileged` flag for systemd support
+- Container uses Ubuntu 22.04 as base image
+- v3 installation is from commit `806f81c6a057a2a5da586b96a231d391f12eb1bb`
+- v4 migration pulls from `migration/deno-v4` branch
+- All scripts are designed to be idempotent where possible
+
+## Troubleshooting
+
+### Container won't start
+- Ensure Docker daemon is running
+- Check you have privileged access
+- Try: `docker logs nupst-test-v3`
+
+### Systemd not working in container
+- Requires Linux host (not macOS/Windows)
+- Needs `--privileged` and cgroup volume mounts
+- Check: `docker exec nupst-test-v3 systemctl --version`
+
+### Migration fails
+- Check logs: `docker exec nupst-test-v3 journalctl -xe`
+- Verify install.sh ran: `docker exec nupst-test-v3 ls -la /opt/nupst/`
+- Check service: `docker exec nupst-test-v3 systemctl status nupst`

test/test.logger.ts

@@ -1,14 +1,14 @@
-import { tap, expect } from '@push.rocks/tapbundle';
-import { Logger } from '../ts/logger.js';
+import { assert, assertEquals } from 'jsr:@std/assert@^1.0.0';
+import { Logger } from '../ts/logger.ts';
 
 // Create a Logger instance for testing
 const logger = new Logger();
 
-tap.test('should create a logger instance', async () => {
-  expect(logger instanceof Logger).toBeTruthy();
+Deno.test('should create a logger instance', () => {
+  assert(logger instanceof Logger);
 });
 
-tap.test('should log messages with different log levels', async () => {
+Deno.test('should log messages with different log levels', () => {
   // We're not testing console output directly, just ensuring no errors
   logger.log('Regular log message');
   logger.error('Error message');
@@ -16,104 +16,104 @@ tap.test('should log messages with different log levels', async () => {
   logger.success('Success message');
 
   // Just assert that the test runs without errors
-  expect(true).toBeTruthy();
+  assert(true);
 });
 
-tap.test('should create a logbox with title, content, and end', async () => {
+Deno.test('should create a logbox with title, content, and end', () => {
   // Just ensuring no errors occur
   logger.logBoxTitle('Test Box', 40);
   logger.logBoxLine('This is a test line');
   logger.logBoxEnd();
 
   // Just assert that the test runs without errors
-  expect(true).toBeTruthy();
+  assert(true);
 });
 
-tap.test('should handle width persistence between logbox calls', async () => {
+Deno.test('should handle width persistence between logbox calls', () => {
   logger.logBoxTitle('Width Test', 45);
-  
+
   // These should use the width from the title
   logger.logBoxLine('Line 1');
   logger.logBoxLine('Line 2');
   logger.logBoxEnd();
-  
+
   let errorThrown = false;
-  
+
   try {
     // This should work fine after the reset in logBoxEnd
     logger.logBoxTitle('New Box', 30);
     logger.logBoxLine('New line');
     logger.logBoxEnd();
-  } catch (error) {
+  } catch (_error) {
     errorThrown = true;
   }
-  
-  expect(errorThrown).toBeFalsy();
+
+  assertEquals(errorThrown, false);
 });
 
-tap.test('should use default width when no width is specified', async () => {
+Deno.test('should use default width when no width is specified', () => {
   // This should automatically use the default width instead of throwing
   let errorThrown = false;
-  
+
   try {
     logger.logBoxLine('This should use default width');
     logger.logBoxEnd();
-  } catch (error) {
+  } catch (_error) {
     errorThrown = true;
   }
-  
+
   // Verify no error was thrown
-  expect(errorThrown).toBeFalsy();
+  assertEquals(errorThrown, false);
 });
 
-tap.test('should create a complete logbox in one call', async () => {
+Deno.test('should create a complete logbox in one call', () => {
   // Just ensuring no errors occur
   logger.logBox('Complete Box', [
     'Line 1',
     'Line 2',
-    'Line 3'
+    'Line 3',
   ], 40);
-  
+
   // Just assert that the test runs without errors
-  expect(true).toBeTruthy();
+  assert(true);
 });
 
-tap.test('should handle content that exceeds box width', async () => {
+Deno.test('should handle content that exceeds box width', () => {
   // Just ensuring no errors occur when content is too long
   logger.logBox('Truncation Test', [
-    'This line is way too long and should be truncated because it exceeds the available space'
+    'This line is way too long and should be truncated because it exceeds the available space',
   ], 30);
-  
+
   // Just assert that the test runs without errors
-  expect(true).toBeTruthy();
+  assert(true);
 });
 
-tap.test('should create dividers with custom characters', async () => {
+Deno.test('should create dividers with custom characters', () => {
   // Just ensuring no errors occur
   logger.logDivider(30);
   logger.logDivider(20, '*');
-  
+
   // Just assert that the test runs without errors
-  expect(true).toBeTruthy();
+  assert(true);
 });
 
-tap.test('should create divider with default width', async () => {
+Deno.test('should create divider with default width', () => {
   // This should use the default width
   logger.logDivider(undefined, '-');
-  
+
   // Just assert that the test runs without errors
-  expect(true).toBeTruthy();
+  assert(true);
 });
 
-tap.test('Logger Demo', async () => {
+Deno.test('Logger Demo', () => {
   console.log('\n=== LOGGER DEMO ===\n');
-  
+
   // Basic logging
   logger.log('Regular log message');
   logger.error('Error message');
   logger.warn('Warning message');
   logger.success('Success message');
-  
+
   // Logbox with title, content lines, and end
   logger.logBoxTitle('Configuration Loaded', 50);
   logger.logBoxLine('SNMP Settings:');
@@ -121,40 +121,37 @@ tap.test('Logger Demo', async () => {
   logger.logBoxLine('  Port: 161');
   logger.logBoxLine('  Version: 1');
   logger.logBoxEnd();
-  
+
   // Complete logbox in one call
   logger.logBox('UPS Status', [
     'Power Status: onBattery',
     'Battery Capacity: 75%',
-    'Runtime Remaining: 30 minutes'
+    'Runtime Remaining: 30 minutes',
   ], 45);
-  
+
   // Logbox with content that's too long for the width
   logger.logBox('Truncation Example', [
     'This line is short enough to fit within the box width',
-    'This line is way too long and will be truncated because it exceeds the available space for content within the logbox'
+    'This line is way too long and will be truncated because it exceeds the available space for content within the logbox',
   ], 40);
-  
+
   // Demonstrating logbox width being remembered
   logger.logBoxTitle('Width Persistence Example', 60);
   logger.logBoxLine('These lines use the width from the title');
   logger.logBoxLine('No need to specify the width again');
   logger.logBoxEnd();
-  
+
   // Demonstrating default width
   console.log('\nDefault Width Example:');
   logger.logBoxLine('This line uses the default width');
   logger.logBoxLine('Still using default width');
   logger.logBoxEnd();
-  
+
   // Divider example
   logger.log('\nDivider example:');
   logger.logDivider(30);
   logger.logDivider(30, '*');
   logger.logDivider(undefined, '=');
-  
-  expect(true).toBeTruthy();
-});
 
-// Export the default tap object
-export default tap.start();
+  assert(true);
+});

test/test.showcase.ts

@@ -0,0 +1,233 @@
+/**
+ * Showcase test for NUPST CLI outputs
+ * Demonstrates all the beautiful colored output features
+ *
+ * Run with: deno run --allow-all test/showcase.ts
+ */
+
+import { logger, type ITableColumn } from '../ts/logger.ts';
+import { theme, symbols, getBatteryColor, formatPowerStatus } from '../ts/colors.ts';
+
+console.log('');
+console.log('═'.repeat(80));
+logger.highlight('NUPST CLI OUTPUT SHOWCASE');
+logger.dim('Demonstrating beautiful, colored terminal output');
+console.log('═'.repeat(80));
+console.log('');
+
+// === 1. Basic Logging Methods ===
+logger.logBoxTitle('Basic Logging Methods', 60, 'info');
+logger.logBoxLine('');
+logger.log('Normal log message (default color)');
+logger.success('Success message with ✓ symbol');
+logger.error('Error message with ✗ symbol');
+logger.warn('Warning message with ⚠ symbol');
+logger.info('Info message with ℹ symbol');
+logger.dim('Dim/secondary text for less important info');
+logger.highlight('Highlighted/bold text for emphasis');
+logger.logBoxLine('');
+logger.logBoxEnd();
+
+console.log('');
+
+// === 2. Colored Boxes ===
+logger.logBoxTitle('Colored Box Styles', 60);
+logger.logBoxLine('');
+logger.logBoxLine('Boxes can be styled with different colors:');
+logger.logBoxEnd();
+
+console.log('');
+
+logger.logBox('Success Box (Green)', [
+  'Used for successful operations',
+  'Installation complete, service started, etc.',
+], 60, 'success');
+
+console.log('');
+
+logger.logBox('Error Box (Red)', [
+  'Used for critical errors and failures',
+  'Configuration errors, connection failures, etc.',
+], 60, 'error');
+
+console.log('');
+
+logger.logBox('Warning Box (Yellow)', [
+  'Used for warnings and deprecations',
+  'Old command format, missing config, etc.',
+], 60, 'warning');
+
+console.log('');
+
+logger.logBox('Info Box (Cyan)', [
+  'Used for informational messages',
+  'Version info, update available, etc.',
+], 60, 'info');
+
+console.log('');
+
+// === 3. Status Symbols ===
+logger.logBoxTitle('Status Symbols', 60, 'info');
+logger.logBoxLine('');
+logger.logBoxLine(`${symbols.running}  Service Running`);
+logger.logBoxLine(`${symbols.stopped}  Service Stopped`);
+logger.logBoxLine(`${symbols.starting}  Service Starting`);
+logger.logBoxLine(`${symbols.unknown}  Status Unknown`);
+logger.logBoxLine('');
+logger.logBoxLine(`${symbols.success}  Operation Successful`);
+logger.logBoxLine(`${symbols.error}  Operation Failed`);
+logger.logBoxLine(`${symbols.warning}  Warning Condition`);
+logger.logBoxLine(`${symbols.info}  Information`);
+logger.logBoxLine('');
+logger.logBoxEnd();
+
+console.log('');
+
+// === 4. Battery Level Colors ===
+logger.logBoxTitle('Battery Level Color Coding', 60, 'info');
+logger.logBoxLine('');
+logger.logBoxLine('Battery levels are color-coded:');
+logger.logBoxLine('');
+logger.logBoxLine(`  ${getBatteryColor(85)('85%')} - Good (green, ≥60%)`);
+logger.logBoxLine(`  ${getBatteryColor(45)('45%')} - Medium (yellow, 30-60%)`);
+logger.logBoxLine(`  ${getBatteryColor(15)('15%')} - Critical (red, <30%)`);
+logger.logBoxLine('');
+logger.logBoxEnd();
+
+console.log('');
+
+// === 5. Power Status Formatting ===
+logger.logBoxTitle('Power Status Formatting', 60, 'info');
+logger.logBoxLine('');
+logger.logBoxLine(`Status: ${formatPowerStatus('online')}`);
+logger.logBoxLine(`Status: ${formatPowerStatus('onBattery')}`);
+logger.logBoxLine(`Status: ${formatPowerStatus('unknown')}`);
+logger.logBoxLine('');
+logger.logBoxEnd();
+
+console.log('');
+
+// === 6. Table Formatting ===
+const upsColumns: ITableColumn[] = [
+  { header: 'ID', key: 'id' },
+  { header: 'Name', key: 'name' },
+  { header: 'Host', key: 'host' },
+  { header: 'Status', key: 'status', color: (v) => {
+    if (v.includes('Online')) return theme.success(v);
+    if (v.includes('Battery')) return theme.warning(v);
+    return theme.dim(v);
+  }},
+  { header: 'Battery', key: 'battery', align: 'right', color: (v) => {
+    const pct = parseInt(v);
+    return getBatteryColor(pct)(v);
+  }},
+  { header: 'Runtime', key: 'runtime', align: 'right' },
+];
+
+const upsData = [
+  {
+    id: 'ups-1',
+    name: 'Main UPS',
+    host: '192.168.1.10',
+    status: 'Online',
+    battery: '95%',
+    runtime: '45 min',
+  },
+  {
+    id: 'ups-2',
+    name: 'Backup UPS',
+    host: '192.168.1.11',
+    status: 'On Battery',
+    battery: '42%',
+    runtime: '12 min',
+  },
+  {
+    id: 'ups-3',
+    name: 'Critical UPS',
+    host: '192.168.1.12',
+    status: 'On Battery',
+    battery: '18%',
+    runtime: '5 min',
+  },
+];
+
+logger.logTable(upsColumns, upsData, 'UPS Devices');
+
+console.log('');
+
+// === 7. Group Table ===
+const groupColumns: ITableColumn[] = [
+  { header: 'ID', key: 'id' },
+  { header: 'Name', key: 'name' },
+  { header: 'Mode', key: 'mode' },
+  { header: 'UPS Count', key: 'count', align: 'right' },
+];
+
+const groupData = [
+  { id: 'dc-1', name: 'Data Center 1', mode: 'redundant', count: '3' },
+  { id: 'office', name: 'Office Servers', mode: 'nonRedundant', count: '2' },
+];
+
+logger.logTable(groupColumns, groupData, 'UPS Groups');
+
+console.log('');
+
+// === 8. Service Status Example ===
+logger.logBoxTitle('Service Status', 70, 'success');
+logger.logBoxLine('');
+logger.logBoxLine(`Status:   ${symbols.running} ${theme.statusActive('Active (Running)')}`);
+logger.logBoxLine(`Enabled:  ${symbols.success} ${theme.success('Yes')}`);
+logger.logBoxLine(`Uptime:   2 days, 5 hours, 23 minutes`);
+logger.logBoxLine(`PID:      ${theme.dim('12345')}`);
+logger.logBoxLine(`Memory:   ${theme.dim('45.2 MB')}`);
+logger.logBoxLine('');
+logger.logBoxEnd();
+
+console.log('');
+
+// === 9. Configuration Example ===
+logger.logBoxTitle('Configuration', 70);
+logger.logBoxLine('');
+logger.logBoxLine(`UPS Devices:      ${theme.highlight('3')}`);
+logger.logBoxLine(`Groups:           ${theme.highlight('2')}`);
+logger.logBoxLine(`Check Interval:   ${theme.dim('30 seconds')}`);
+logger.logBoxLine(`Config File:      ${theme.path('/etc/nupst/config.json')}`);
+logger.logBoxLine('');
+logger.logBoxEnd();
+
+console.log('');
+
+// === 10. Update Available Example ===
+logger.logBoxTitle('Update Available', 70, 'warning');
+logger.logBoxLine('');
+logger.logBoxLine(`Current Version:  ${theme.dim('4.0.1')}`);
+logger.logBoxLine(`Latest Version:   ${theme.highlight('4.0.2')}`);
+logger.logBoxLine('');
+logger.logBoxLine(`Run ${theme.command('sudo nupst update')} to update`);
+logger.logBoxLine('');
+logger.logBoxEnd();
+
+console.log('');
+
+// === 11. Error Example ===
+logger.logBoxTitle('Error Example', 70, 'error');
+logger.logBoxLine('');
+logger.logBoxLine(`${symbols.error} Failed to connect to UPS at 192.168.1.10`);
+logger.logBoxLine('');
+logger.logBoxLine('Possible causes:');
+logger.logBoxLine(`  ${theme.dim('• UPS is offline or unreachable')}`);
+logger.logBoxLine(`  ${theme.dim('• Incorrect SNMP community string')}`);
+logger.logBoxLine(`  ${theme.dim('• Firewall blocking port 161')}`);
+logger.logBoxLine('');
+logger.logBoxLine(`Try: ${theme.command('nupst ups test --debug')}`);
+logger.logBoxLine('');
+logger.logBoxEnd();
+
+console.log('');
+
+// === Final Summary ===
+console.log('═'.repeat(80));
+logger.success('CLI Output Showcase Complete!');
+logger.dim('All color and formatting features demonstrated');
+console.log('═'.repeat(80));
+console.log('');

test/test.ts

@@ -1,52 +1,53 @@
-import { tap, expect } from '@push.rocks/tapbundle';
-import { NupstSnmp } from '../ts/snmp/manager.js';
-import type { ISnmpConfig, IUpsStatus } from '../ts/snmp/types.js';
+import { assert, assertEquals, assertExists } from 'jsr:@std/assert@^1.0.0';
+import { NupstSnmp } from '../ts/snmp/manager.ts';
+import type { ISnmpConfig } from '../ts/snmp/types.ts';
 
-import * as qenv from '@push.rocks/qenv';
+import * as qenv from 'npm:@push.rocks/qenv@^6.0.0';
 const testQenv = new qenv.Qenv('./', '.nogit/');
 
 // Create an SNMP instance with debug enabled
 const snmp = new NupstSnmp(true);
 
-// Load the test configuration from .nogit/env.json 
+// Load the test configuration from .nogit/env.json
 const testConfigV1 = await testQenv.getEnvVarOnDemandAsObject('testConfigV1');
 const testConfigV3 = await testQenv.getEnvVarOnDemandAsObject('testConfigV3');
 
-tap.test('should log config', async () => {
+Deno.test('should log config', () => {
   console.log(testConfigV1);
+  assert(true);
 });
 
 // Test with real UPS using the configuration from .nogit/env.json
-tap.test('Real UPS test v1', async () => {
+Deno.test('Real UPS test v1', async () => {
   try {
     console.log('Testing with real UPS configuration...');
-    
+
     // Extract the correct SNMP config from the test configuration
-    const snmpConfig = testConfigV1.snmp;
+    const snmpConfig = testConfigV1.snmp as ISnmpConfig;
     console.log('SNMP Config:');
     console.log(`  Host: ${snmpConfig.host}:${snmpConfig.port}`);
     console.log(`  Version: SNMPv${snmpConfig.version}`);
     console.log(`  UPS Model: ${snmpConfig.upsModel}`);
-    
+
     // Use a short timeout for testing
-    const testSnmpConfig = { 
+    const testSnmpConfig = {
       ...snmpConfig,
-      timeout: Math.min(snmpConfig.timeout, 10000) // Use at most 10 seconds for testing
+      timeout: Math.min(snmpConfig.timeout, 10000), // Use at most 10 seconds for testing
     };
-    
+
     // Try to get the UPS status
     const status = await snmp.getUpsStatus(testSnmpConfig);
-    
+
     console.log('UPS Status:');
     console.log(`  Power Status: ${status.powerStatus}`);
     console.log(`  Battery Capacity: ${status.batteryCapacity}%`);
     console.log(`  Runtime Remaining: ${status.batteryRuntime} minutes`);
-    
+
     // Just make sure we got valid data types back
-    expect(status).toBeTruthy();
-    expect(['online', 'onBattery', 'unknown']).toContain(status.powerStatus);
-    expect(typeof status.batteryCapacity).toEqual('number');
-    expect(typeof status.batteryRuntime).toEqual('number');
+    assertExists(status);
+    assert(['online', 'onBattery', 'unknown'].includes(status.powerStatus));
+    assertEquals(typeof status.batteryCapacity, 'number');
+    assertEquals(typeof status.batteryRuntime, 'number');
   } catch (error) {
     console.log('Real UPS test failed:', error);
     // Skip the test if we can't connect to the real UPS
@@ -54,42 +55,39 @@ tap.test('Real UPS test v1', async () => {
   }
 });
 
-tap.test('Real UPS test v3', async () => {
+Deno.test('Real UPS test v3', async () => {
   try {
     console.log('Testing with real UPS configuration...');
-    
+
     // Extract the correct SNMP config from the test configuration
-    const snmpConfig = testConfigV3.snmp;
+    const snmpConfig = testConfigV3.snmp as ISnmpConfig;
     console.log('SNMP Config:');
     console.log(`  Host: ${snmpConfig.host}:${snmpConfig.port}`);
     console.log(`  Version: SNMPv${snmpConfig.version}`);
     console.log(`  UPS Model: ${snmpConfig.upsModel}`);
-    
+
     // Use a short timeout for testing
-    const testSnmpConfig = { 
+    const testSnmpConfig = {
       ...snmpConfig,
-      timeout: Math.min(snmpConfig.timeout, 10000) // Use at most 10 seconds for testing
+      timeout: Math.min(snmpConfig.timeout, 10000), // Use at most 10 seconds for testing
     };
-    
+
     // Try to get the UPS status
     const status = await snmp.getUpsStatus(testSnmpConfig);
-    
+
     console.log('UPS Status:');
     console.log(`  Power Status: ${status.powerStatus}`);
     console.log(`  Battery Capacity: ${status.batteryCapacity}%`);
     console.log(`  Runtime Remaining: ${status.batteryRuntime} minutes`);
-    
+
     // Just make sure we got valid data types back
-    expect(status).toBeTruthy();
-    expect(['online', 'onBattery', 'unknown']).toContain(status.powerStatus);
-    expect(typeof status.batteryCapacity).toEqual('number');
-    expect(typeof status.batteryRuntime).toEqual('number');
+    assertExists(status);
+    assert(['online', 'onBattery', 'unknown'].includes(status.powerStatus));
+    assertEquals(typeof status.batteryCapacity, 'number');
+    assertEquals(typeof status.batteryRuntime, 'number');
   } catch (error) {
     console.log('Real UPS test failed:', error);
     // Skip the test if we can't connect to the real UPS
     console.log('Skipping this test since the UPS might not be available');
   }
 });
-
-// Export the default tap object
-export default tap.start();

ts/00_commitinfo_data.ts

@@ -1,8 +1,10 @@
 /**
- * autocreated commitinfo by @push.rocks/commitinfo
+ * commitinfo - reads version from deno.json
  */
+import denoConfig from '../deno.json' with { type: 'json' };
+
 export const commitinfo = {
-  name: '@serve.zone/nupst',
-  version: '3.1.1',
-  description: 'Node.js UPS Shutdown Tool for SNMP-enabled UPS devices'
-}
+  name: denoConfig.name,
+  version: denoConfig.version,
+  description: 'Network UPS Shutdown Tool (https://nupst.serve.zone)',
+};

ts/actions/base-action.ts

@@ -0,0 +1,170 @@
+/**
+ * Base classes and interfaces for the NUPST action system
+ *
+ * Actions are triggered on:
+ * 1. Power status changes (online ↔ onBattery)
+ * 2. Threshold violations (battery/runtime cross below configured thresholds)
+ */
+
+export type TPowerStatus = 'online' | 'onBattery' | 'unknown';
+
+/**
+ * Context provided to actions when they execute
+ * Contains all relevant UPS state and trigger information
+ */
+export interface IActionContext {
+  // UPS identification
+  /** Unique ID of the UPS */
+  upsId: string;
+  /** Human-readable name of the UPS */
+  upsName: string;
+
+  // Current state
+  /** Current power status */
+  powerStatus: TPowerStatus;
+  /** Current battery capacity percentage (0-100) */
+  batteryCapacity: number;
+  /** Estimated battery runtime in minutes */
+  batteryRuntime: number;
+
+  // State tracking
+  /** Previous power status before this trigger */
+  previousPowerStatus: TPowerStatus;
+
+  // Metadata
+  /** Timestamp when this action was triggered (milliseconds since epoch) */
+  timestamp: number;
+  /** Reason this action was triggered */
+  triggerReason: 'powerStatusChange' | 'thresholdViolation';
+}
+
+/**
+ * Action trigger mode - determines when an action executes
+ */
+export type TActionTriggerMode =
+  | 'onlyPowerChanges' // Only on power status changes (online ↔ onBattery)
+  | 'onlyThresholds' // Only when action's thresholds are exceeded
+  | 'powerChangesAndThresholds' // On power changes OR threshold violations
+  | 'anyChange'; // On every UPS poll/check (every ~30s)
+
+/**
+ * Configuration for an action
+ */
+export interface IActionConfig {
+  /** Type of action to execute */
+  type: 'shutdown' | 'webhook' | 'script';
+
+  // Trigger configuration
+  /**
+   * When should this action be triggered?
+   * - onlyPowerChanges: Only on power status changes
+   * - onlyThresholds: Only when thresholds exceeded
+   * - powerChangesAndThresholds: On both (default)
+   * - anyChange: On every check
+   */
+  triggerMode?: TActionTriggerMode;
+
+  // Threshold configuration (applies to all action types)
+  /** Threshold settings for this action */
+  thresholds?: {
+    /** Battery percentage threshold (0-100) */
+    battery: number;
+    /** Runtime threshold in minutes */
+    runtime: number;
+  };
+
+  // Shutdown action configuration
+  /** Delay before shutdown in minutes (default: 5) */
+  shutdownDelay?: number;
+  /** Only execute shutdown on threshold violation, not power status changes */
+  onlyOnThresholdViolation?: boolean;
+
+  // Webhook action configuration
+  /** URL to call for webhook */
+  webhookUrl?: string;
+  /** HTTP method to use (default: POST) */
+  webhookMethod?: 'GET' | 'POST';
+  /** Timeout for webhook request in milliseconds (default: 10000) */
+  webhookTimeout?: number;
+  /** Only execute webhook on threshold violation */
+  webhookOnlyOnThresholdViolation?: boolean;
+
+  // Script action configuration
+  /** Path to script relative to /etc/nupst (e.g., "myaction.sh") */
+  scriptPath?: string;
+  /** Timeout for script execution in milliseconds (default: 60000) */
+  scriptTimeout?: number;
+  /** Only execute script on threshold violation */
+  scriptOnlyOnThresholdViolation?: boolean;
+}
+
+/**
+ * Abstract base class for all actions
+ * Each action type must extend this class and implement execute()
+ */
+export abstract class Action {
+  /** Type identifier for this action */
+  abstract readonly type: string;
+
+  /**
+   * Create a new action with the given configuration
+   * @param config Action configuration
+   */
+  constructor(protected config: IActionConfig) {}
+
+  /**
+   * Execute this action with the given context
+   * @param context Current UPS state and trigger information
+   */
+  abstract execute(context: IActionContext): Promise<void>;
+
+  /**
+   * Helper to check if this action should execute based on trigger mode
+   * @param context Action context with current UPS state
+   * @returns True if action should execute
+   */
+  protected shouldExecute(context: IActionContext): boolean {
+    const mode = this.config.triggerMode || 'powerChangesAndThresholds'; // Default
+
+    switch (mode) {
+      case 'onlyPowerChanges':
+        // Only execute on power status changes
+        return context.triggerReason === 'powerStatusChange';
+
+      case 'onlyThresholds':
+        // Only execute when this action's thresholds are exceeded
+        if (!this.config.thresholds) return false; // No thresholds = never execute
+        return this.areThresholdsExceeded(context.batteryCapacity, context.batteryRuntime);
+
+      case 'powerChangesAndThresholds':
+        // Execute on power changes OR when thresholds exceeded
+        if (context.triggerReason === 'powerStatusChange') return true;
+        if (!this.config.thresholds) return false;
+        return this.areThresholdsExceeded(context.batteryCapacity, context.batteryRuntime);
+
+      case 'anyChange':
+        // Execute on every trigger (power change or threshold check)
+        return true;
+
+      default:
+        return true;
+    }
+  }
+
+  /**
+   * Check if current battery/runtime exceeds this action's thresholds
+   * @param batteryCapacity Current battery percentage
+   * @param batteryRuntime Current runtime in minutes
+   * @returns True if thresholds are exceeded
+   */
+  protected areThresholdsExceeded(batteryCapacity: number, batteryRuntime: number): boolean {
+    if (!this.config.thresholds) {
+      return false; // No thresholds configured
+    }
+
+    return (
+      batteryCapacity < this.config.thresholds.battery ||
+      batteryRuntime < this.config.thresholds.runtime
+    );
+  }
+}

ts/actions/index.ts

@@ -0,0 +1,91 @@
+/**
+ * Action system exports and ActionManager
+ *
+ * This module provides the central coordination for the action system.
+ * The ActionManager is responsible for creating and executing actions.
+ */
+
+import { logger } from '../logger.ts';
+import type { Action, IActionConfig, IActionContext } from './base-action.ts';
+import { ShutdownAction } from './shutdown-action.ts';
+import { WebhookAction } from './webhook-action.ts';
+import { ScriptAction } from './script-action.ts';
+
+// Re-export types for convenience
+export type { IActionConfig, IActionContext, TPowerStatus } from './base-action.ts';
+export { Action } from './base-action.ts';
+export { ShutdownAction } from './shutdown-action.ts';
+export { WebhookAction } from './webhook-action.ts';
+export { ScriptAction } from './script-action.ts';
+
+/**
+ * ActionManager - Coordinates action creation and execution
+ *
+ * Provides factory methods for creating actions from configuration
+ * and orchestrates action execution with error handling.
+ */
+export class ActionManager {
+  /**
+   * Create an action instance from configuration
+   * @param config Action configuration
+   * @returns Instantiated action
+   * @throws Error if action type is unknown
+   */
+  static createAction(config: IActionConfig): Action {
+    switch (config.type) {
+      case 'shutdown':
+        return new ShutdownAction(config);
+      case 'webhook':
+        return new WebhookAction(config);
+      case 'script':
+        return new ScriptAction(config);
+      default:
+        throw new Error(`Unknown action type: ${(config as IActionConfig).type}`);
+    }
+  }
+
+  /**
+   * Execute a sequence of actions with the given context
+   * Each action runs sequentially, and failures are logged but don't stop the chain
+   * @param actions Array of action configurations to execute
+   * @param context Action context with UPS state
+   */
+  static async executeActions(
+    actions: IActionConfig[],
+    context: IActionContext,
+  ): Promise<void> {
+    if (!actions || actions.length === 0) {
+      return;
+    }
+
+    logger.log('');
+    logger.logBoxTitle(`Executing ${actions.length} Action(s)`, 60, 'info');
+    logger.logBoxLine(`Trigger: ${context.triggerReason}`);
+    logger.logBoxLine(`UPS: ${context.upsName} (${context.upsId})`);
+    logger.logBoxLine(`Power: ${context.powerStatus}`);
+    logger.logBoxLine(`Battery: ${context.batteryCapacity}% / ${context.batteryRuntime} min`);
+    logger.logBoxEnd();
+    logger.log('');
+
+    for (let i = 0; i < actions.length; i++) {
+      const actionConfig = actions[i];
+      try {
+        logger.info(`[${i + 1}/${actions.length}] ${actionConfig.type} action...`);
+
+        const action = this.createAction(actionConfig);
+        await action.execute(context);
+      } catch (error) {
+        logger.error(
+          `Action ${actionConfig.type} failed: ${
+            error instanceof Error ? error.message : String(error)
+          }`,
+        );
+        // Continue with next action despite failure
+      }
+    }
+
+    logger.log('');
+    logger.success('Action execution completed');
+    logger.log('');
+  }
+}

ts/actions/script-action.ts

@@ -0,0 +1,167 @@
+import * as path from 'node:path';
+import * as fs from 'node:fs';
+import process from 'node:process';
+import { exec } from 'node:child_process';
+import { promisify } from 'node:util';
+import { Action, type IActionConfig, type IActionContext } from './base-action.ts';
+import { logger } from '../logger.ts';
+
+const execAsync = promisify(exec);
+
+/**
+ * ScriptAction - Executes a custom shell script from /etc/nupst/
+ *
+ * Runs user-provided scripts with UPS state passed as environment variables and arguments.
+ * Scripts must be .sh files located in /etc/nupst/ for security.
+ */
+export class ScriptAction extends Action {
+  readonly type = 'script';
+
+  private static readonly SCRIPT_DIR = '/etc/nupst';
+
+  /**
+   * Execute the script action
+   * @param context Action context with UPS state
+   */
+  async execute(context: IActionContext): Promise<void> {
+    // Check if we should execute based on trigger mode
+    if (!this.shouldExecute(context)) {
+      logger.info(`Script action skipped (trigger mode: ${this.config.triggerMode || 'powerChangesAndThresholds'})`);
+      return;
+    }
+
+    if (!this.config.scriptPath) {
+      logger.error('Script path not configured');
+      return;
+    }
+
+    // Validate and build script path
+    const scriptPath = this.validateAndBuildScriptPath(this.config.scriptPath);
+    if (!scriptPath) {
+      logger.error(`Invalid script path: ${this.config.scriptPath}`);
+      return;
+    }
+
+    // Check if script exists and is executable
+    if (!fs.existsSync(scriptPath)) {
+      logger.error(`Script not found: ${scriptPath}`);
+      return;
+    }
+
+    const timeout = this.config.scriptTimeout || 60000; // Default 60 seconds
+
+    logger.info(`Executing script: ${scriptPath}`);
+
+    try {
+      await this.executeScript(scriptPath, context, timeout);
+      logger.success('Script executed successfully');
+    } catch (error) {
+      logger.error(
+        `Script execution failed: ${error instanceof Error ? error.message : String(error)}`,
+      );
+      // Don't throw - script failures shouldn't stop other actions
+    }
+  }
+
+  /**
+   * Validate script path and build full path
+   * Ensures security by preventing path traversal and limiting to /etc/nupst
+   * @param scriptPath Relative script path from config
+   * @returns Full validated path or null if invalid
+   */
+  private validateAndBuildScriptPath(scriptPath: string): string | null {
+    // Remove any leading/trailing whitespace
+    scriptPath = scriptPath.trim();
+
+    // Reject paths with path traversal attempts
+    if (scriptPath.includes('..') || scriptPath.includes('/') || scriptPath.includes('\\')) {
+      logger.error('Script path must not contain directory separators or parent references');
+      return null;
+    }
+
+    // Require .sh extension
+    if (!scriptPath.endsWith('.sh')) {
+      logger.error('Script must have .sh extension');
+      return null;
+    }
+
+    // Build full path
+    return path.join(ScriptAction.SCRIPT_DIR, scriptPath);
+  }
+
+  /**
+   * Execute the script with UPS state as environment variables and arguments
+   * @param scriptPath Full path to the script
+   * @param context Action context
+   * @param timeout Execution timeout in milliseconds
+   */
+  private async executeScript(
+    scriptPath: string,
+    context: IActionContext,
+    timeout: number,
+  ): Promise<void> {
+    // Prepare environment variables
+    const env = {
+      ...process.env,
+      NUPST_UPS_ID: context.upsId,
+      NUPST_UPS_NAME: context.upsName,
+      NUPST_POWER_STATUS: context.powerStatus,
+      NUPST_BATTERY_CAPACITY: String(context.batteryCapacity),
+      NUPST_BATTERY_RUNTIME: String(context.batteryRuntime),
+      NUPST_TRIGGER_REASON: context.triggerReason,
+      NUPST_TIMESTAMP: String(context.timestamp),
+      // Include action's own thresholds if configured
+      NUPST_BATTERY_THRESHOLD: this.config.thresholds ? String(this.config.thresholds.battery) : '',
+      NUPST_RUNTIME_THRESHOLD: this.config.thresholds ? String(this.config.thresholds.runtime) : '',
+    };
+
+    // Build command with arguments
+    // Arguments: powerStatus batteryCapacity batteryRuntime
+    const args = [
+      context.powerStatus,
+      String(context.batteryCapacity),
+      String(context.batteryRuntime),
+    ].join(' ');
+
+    const command = `bash "${scriptPath}" ${args}`;
+
+    try {
+      const { stdout, stderr } = await execAsync(command, {
+        env,
+        cwd: ScriptAction.SCRIPT_DIR,
+        timeout,
+      });
+
+      // Log output
+      if (stdout) {
+        logger.log('Script stdout:');
+        logger.dim(stdout.trim());
+      }
+
+      if (stderr) {
+        logger.warn('Script stderr:');
+        logger.dim(stderr.trim());
+      }
+    } catch (error) {
+      // Check if it was a timeout
+      if (error instanceof Error && 'killed' in error && error.killed) {
+        throw new Error(`Script timed out after ${timeout}ms`);
+      }
+
+      // Include stdout/stderr in error if available
+      if (error && typeof error === 'object' && 'stdout' in error && 'stderr' in error) {
+        const execError = error as { stdout: string; stderr: string };
+        if (execError.stdout) {
+          logger.log('Script stdout:');
+          logger.dim(execError.stdout.trim());
+        }
+        if (execError.stderr) {
+          logger.warn('Script stderr:');
+          logger.dim(execError.stderr.trim());
+        }
+      }
+
+      throw error;
+    }
+  }
+}

ts/actions/shutdown-action.ts

@@ -0,0 +1,142 @@
+import * as fs from 'node:fs';
+import { execFile } from 'node:child_process';
+import { promisify } from 'node:util';
+import { Action, type IActionConfig, type IActionContext } from './base-action.ts';
+import { logger } from '../logger.ts';
+
+const execFileAsync = promisify(execFile);
+
+/**
+ * ShutdownAction - Initiates system shutdown
+ *
+ * This action triggers a system shutdown using the standard shutdown command.
+ * It includes a configurable delay to allow VMs and services to gracefully terminate.
+ */
+export class ShutdownAction extends Action {
+  readonly type = 'shutdown';
+
+  /**
+   * Execute the shutdown action
+   * @param context Action context with UPS state
+   */
+  async execute(context: IActionContext): Promise<void> {
+    // Check if we should execute based on trigger mode and thresholds
+    if (!this.shouldExecute(context)) {
+      logger.info(`Shutdown action skipped (trigger mode: ${this.config.triggerMode || 'powerChangesAndThresholds'})`);
+      return;
+    }
+
+    const shutdownDelay = this.config.shutdownDelay || 5; // Default 5 minutes
+
+    logger.log('');
+    logger.logBoxTitle('Initiating System Shutdown', 60, 'error');
+    logger.logBoxLine(`UPS: ${context.upsName} (${context.upsId})`);
+    logger.logBoxLine(`Power Status: ${context.powerStatus}`);
+    logger.logBoxLine(`Battery: ${context.batteryCapacity}%`);
+    logger.logBoxLine(`Runtime: ${context.batteryRuntime} minutes`);
+    logger.logBoxLine(`Trigger: ${context.triggerReason}`);
+    logger.logBoxLine(`Shutdown delay: ${shutdownDelay} minutes`);
+    logger.logBoxEnd();
+    logger.log('');
+
+    try {
+      await this.executeShutdownCommand(shutdownDelay);
+    } catch (error) {
+      logger.error(
+        `Shutdown command failed: ${error instanceof Error ? error.message : String(error)}`,
+      );
+      // Try alternative methods
+      await this.tryAlternativeShutdownMethods();
+    }
+  }
+
+  /**
+   * Execute the primary shutdown command
+   * @param delayMinutes Minutes to delay before shutdown
+   */
+  private async executeShutdownCommand(delayMinutes: number): Promise<void> {
+    // Find shutdown command in common system paths
+    const shutdownPaths = [
+      '/sbin/shutdown',
+      '/usr/sbin/shutdown',
+      '/bin/shutdown',
+      '/usr/bin/shutdown',
+    ];
+
+    let shutdownCmd = '';
+    for (const path of shutdownPaths) {
+      try {
+        if (fs.existsSync(path)) {
+          shutdownCmd = path;
+          logger.log(`Found shutdown command at: ${shutdownCmd}`);
+          break;
+        }
+      } catch (_e) {
+        // Continue checking other paths
+      }
+    }
+
+    if (shutdownCmd) {
+      // Execute shutdown command with delay to allow for VM graceful shutdown
+      const message = `UPS battery critical, shutting down in ${delayMinutes} minutes`;
+      logger.log(`Executing: ${shutdownCmd} -h +${delayMinutes} "${message}"`);
+
+      const { stdout } = await execFileAsync(shutdownCmd, [
+        '-h',
+        `+${delayMinutes}`,
+        message,
+      ]);
+
+      logger.log(`Shutdown initiated: ${stdout}`);
+      logger.log(`Allowing ${delayMinutes} minutes for VMs to shut down safely`);
+    } else {
+      throw new Error('Shutdown command not found in common paths');
+    }
+  }
+
+  /**
+   * Try alternative shutdown methods if primary command fails
+   */
+  private async tryAlternativeShutdownMethods(): Promise<void> {
+    logger.error('Trying alternative shutdown methods...');
+
+    const alternatives = [
+      { cmd: 'poweroff', args: ['--force'] },
+      { cmd: 'halt', args: ['-p'] },
+      { cmd: 'systemctl', args: ['poweroff'] },
+      { cmd: 'reboot', args: ['-p'] }, // Some systems allow reboot -p for power off
+    ];
+
+    for (const alt of alternatives) {
+      try {
+        // First check if command exists in common system paths
+        const paths = [
+          `/sbin/${alt.cmd}`,
+          `/usr/sbin/${alt.cmd}`,
+          `/bin/${alt.cmd}`,
+          `/usr/bin/${alt.cmd}`,
+        ];
+
+        let cmdPath = '';
+        for (const path of paths) {
+          if (fs.existsSync(path)) {
+            cmdPath = path;
+            break;
+          }
+        }
+
+        if (cmdPath) {
+          logger.log(`Trying alternative shutdown method: ${cmdPath} ${alt.args.join(' ')}`);
+          await execFileAsync(cmdPath, alt.args);
+          logger.log(`Alternative method ${alt.cmd} succeeded`);
+          return; // Exit if successful
+        }
+      } catch (_altError) {
+        logger.error(`Alternative method ${alt.cmd} failed`);
+        // Continue to next method
+      }
+    }
+
+    logger.error('All shutdown methods failed');
+  }
+}

ts/actions/webhook-action.ts

@@ -0,0 +1,141 @@
+import * as http from 'node:http';
+import * as https from 'node:https';
+import { URL } from 'node:url';
+import { Action, type IActionConfig, type IActionContext } from './base-action.ts';
+import { logger } from '../logger.ts';
+
+/**
+ * WebhookAction - Calls an HTTP webhook with UPS state information
+ *
+ * Sends UPS status to a configured webhook URL via GET or POST.
+ * This is useful for remote notifications and integrations with external systems.
+ */
+export class WebhookAction extends Action {
+  readonly type = 'webhook';
+
+  /**
+   * Execute the webhook action
+   * @param context Action context with UPS state
+   */
+  async execute(context: IActionContext): Promise<void> {
+    // Check if we should execute based on trigger mode
+    if (!this.shouldExecute(context)) {
+      logger.info(`Webhook action skipped (trigger mode: ${this.config.triggerMode || 'powerChangesAndThresholds'})`);
+      return;
+    }
+
+    if (!this.config.webhookUrl) {
+      logger.error('Webhook URL not configured');
+      return;
+    }
+
+    const method = this.config.webhookMethod || 'POST';
+    const timeout = this.config.webhookTimeout || 10000;
+
+    logger.info(`Calling webhook: ${method} ${this.config.webhookUrl}`);
+
+    try {
+      await this.callWebhook(context, method, timeout);
+      logger.success('Webhook call successful');
+    } catch (error) {
+      logger.error(
+        `Webhook call failed: ${error instanceof Error ? error.message : String(error)}`,
+      );
+      // Don't throw - webhook failures shouldn't stop other actions
+    }
+  }
+
+  /**
+   * Call the webhook with UPS state data
+   * @param context Action context
+   * @param method HTTP method (GET or POST)
+   * @param timeout Request timeout in milliseconds
+   */
+  private async callWebhook(
+    context: IActionContext,
+    method: 'GET' | 'POST',
+    timeout: number,
+  ): Promise<void> {
+    const payload: any = {
+      upsId: context.upsId,
+      upsName: context.upsName,
+      powerStatus: context.powerStatus,
+      batteryCapacity: context.batteryCapacity,
+      batteryRuntime: context.batteryRuntime,
+      triggerReason: context.triggerReason,
+      timestamp: context.timestamp,
+    };
+
+    // Include action's own thresholds if configured
+    if (this.config.thresholds) {
+      payload.thresholds = {
+        battery: this.config.thresholds.battery,
+        runtime: this.config.thresholds.runtime,
+      };
+    }
+
+    const url = new URL(this.config.webhookUrl!);
+
+    if (method === 'GET') {
+      // Append payload as query parameters for GET
+      url.searchParams.append('upsId', payload.upsId);
+      url.searchParams.append('upsName', payload.upsName);
+      url.searchParams.append('powerStatus', payload.powerStatus);
+      url.searchParams.append('batteryCapacity', String(payload.batteryCapacity));
+      url.searchParams.append('batteryRuntime', String(payload.batteryRuntime));
+      
+      url.searchParams.append('triggerReason', payload.triggerReason);
+      url.searchParams.append('timestamp', String(payload.timestamp));
+    }
+
+    return new Promise((resolve, reject) => {
+      const protocol = url.protocol === 'https:' ? https : http;
+
+      const options: http.RequestOptions = {
+        method,
+        headers: method === 'POST'
+          ? {
+            'Content-Type': 'application/json',
+            'User-Agent': 'nupst',
+          }
+          : {
+            'User-Agent': 'nupst',
+          },
+        timeout,
+      };
+
+      const req = protocol.request(url, options, (res) => {
+        let data = '';
+
+        res.on('data', (chunk) => {
+          data += chunk;
+        });
+
+        res.on('end', () => {
+          if (res.statusCode && res.statusCode >= 200 && res.statusCode < 300) {
+            logger.dim(`Webhook response (${res.statusCode}): ${data.substring(0, 100)}`);
+            resolve();
+          } else {
+            reject(new Error(`Webhook returned status ${res.statusCode}`));
+          }
+        });
+      });
+
+      req.on('error', (error) => {
+        reject(error);
+      });
+
+      req.on('timeout', () => {
+        req.destroy();
+        reject(new Error(`Webhook request timed out after ${timeout}ms`));
+      });
+
+      // Send POST data if applicable
+      if (method === 'POST') {
+        req.write(JSON.stringify(payload));
+      }
+
+      req.end();
+    });
+  }
+}

ts/cli.ts

@@ -1,6 +1,7 @@
-import { execSync } from 'child_process';
-import { Nupst } from './nupst.js';
-import { logger } from './logger.js';
+import { execSync } from 'node:child_process';
+import { Nupst } from './nupst.ts';
+import { logger, type ITableColumn } from './logger.ts';
+import { theme, symbols } from './colors.ts';
 
 /**
  * Class for handling CLI commands
@@ -21,7 +22,7 @@ export class NupstCli {
    * @param args Command line arguments (process.argv)
    */
   public async parseAndExecute(args: string[]): Promise<void> {
-    // Extract debug flag from any position
+    // Extract debug and version flags from any position
     const debugOptions = this.extractDebugOptions(args);
     if (debugOptions.debugMode) {
       logger.log('Debug mode enabled');
@@ -29,6 +30,12 @@ export class NupstCli {
       this.nupst.getSnmp().enableDebug();
     }
 
+    // Check for version flag
+    if (debugOptions.cleanedArgs.includes('--version') || debugOptions.cleanedArgs.includes('-v')) {
+      this.showVersion();
+      return;
+    }
+
     // Get the command (default to help if none provided)
     const command = debugOptions.cleanedArgs[2] || 'help';
     const commandArgs = debugOptions.cleanedArgs.slice(3);
@@ -56,23 +63,104 @@ export class NupstCli {
    * @param commandArgs Additional command arguments
    * @param debugMode Whether debug mode is enabled
    */
-  private async executeCommand(command: string, commandArgs: string[], debugMode: boolean): Promise<void> {
+  private async executeCommand(
+    command: string,
+    commandArgs: string[],
+    debugMode: boolean,
+  ): Promise<void> {
     // Get access to the handlers
     const upsHandler = this.nupst.getUpsHandler();
     const groupHandler = this.nupst.getGroupHandler();
     const serviceHandler = this.nupst.getServiceHandler();
-    
+    const actionHandler = this.nupst.getActionHandler();
+
+    // Handle service subcommands
+    if (command === 'service') {
+      const subcommand = commandArgs[0] || 'status';
+
+      switch (subcommand) {
+        case 'enable':
+          await serviceHandler.enable();
+          break;
+        case 'disable':
+          await serviceHandler.disable();
+          break;
+        case 'start':
+          await serviceHandler.start();
+          break;
+        case 'stop':
+          await serviceHandler.stop();
+          break;
+        case 'restart':
+          await serviceHandler.stop();
+          await new Promise((resolve) => setTimeout(resolve, 2000)); // Wait 2s
+          await serviceHandler.start();
+          break;
+        case 'status':
+          await serviceHandler.status();
+          break;
+        case 'logs':
+          await serviceHandler.logs();
+          break;
+        case 'start-daemon':
+          await serviceHandler.daemonStart(debugMode);
+          break;
+        default:
+          this.showServiceHelp();
+          break;
+      }
+      return;
+    }
+
+    // Handle UPS subcommands
+    if (command === 'ups') {
+      const subcommand = commandArgs[0] || 'list';
+      const subcommandArgs = commandArgs.slice(1);
+
+      switch (subcommand) {
+        case 'add':
+          await upsHandler.add();
+          break;
+        case 'edit': {
+          const upsId = subcommandArgs[0];
+          await upsHandler.edit(upsId);
+          break;
+        }
+        case 'remove':
+        case 'rm': {
+          const upsIdToRemove = subcommandArgs[0];
+          if (!upsIdToRemove) {
+            logger.error('UPS ID is required for remove command');
+            this.showUpsHelp();
+            return;
+          }
+          await upsHandler.remove(upsIdToRemove);
+          break;
+        }
+        case 'list':
+        case 'ls': // Alias
+          await upsHandler.list();
+          break;
+        case 'test':
+          await upsHandler.test(debugMode);
+          break;
+        default:
+          this.showUpsHelp();
+          break;
+      }
+      return;
+    }
+
     // Handle group subcommands
     if (command === 'group') {
       const subcommand = commandArgs[0] || 'list';
       const subcommandArgs = commandArgs.slice(1);
-      
+
       switch (subcommand) {
         case 'add':
           await groupHandler.add();
           break;
-          
-        case 'edit':
+        case 'edit': {
           const groupId = subcommandArgs[0];
           if (!groupId) {
             logger.error('Group ID is required for edit command');
@@ -81,21 +169,22 @@ export class NupstCli {
           }
           await groupHandler.edit(groupId);
           break;
-          
-        case 'delete':
-          const groupIdToDelete = subcommandArgs[0];
-          if (!groupIdToDelete) {
-            logger.error('Group ID is required for delete command');
+        }
+        case 'remove':
+        case 'rm': {
+          const groupIdToRemove = subcommandArgs[0];
+          if (!groupIdToRemove) {
+            logger.error('Group ID is required for remove command');
             this.showGroupHelp();
             return;
           }
-          await groupHandler.delete(groupIdToDelete);
+          await groupHandler.remove(groupIdToRemove);
           break;
-          
+        }
         case 'list':
+        case 'ls': // Alias
           await groupHandler.list();
           break;
-          
         default:
           this.showGroupHelp();
           break;
@@ -103,82 +192,69 @@ export class NupstCli {
       return;
     }
 
-    // Handle main commands
-    switch (command) {
-      case 'add':
-        await upsHandler.add();
-        break;
+    // Handle action subcommands
+    if (command === 'action') {
+      const subcommand = commandArgs[0] || 'list';
+      const subcommandArgs = commandArgs.slice(1);
 
-      case 'edit':
-        const upsId = commandArgs[0];
-        await upsHandler.edit(upsId);
-        break;
-
-      case 'delete':
-        const upsIdToDelete = commandArgs[0];
-        if (!upsIdToDelete) {
-          logger.error('UPS ID is required for delete command');
-          this.showHelp();
-          return;
+      switch (subcommand) {
+        case 'add': {
+          const upsId = subcommandArgs[0];
+          await actionHandler.add(upsId);
+          break;
         }
-        await upsHandler.delete(upsIdToDelete);
-        break;
+        case 'remove':
+        case 'rm': {
+          const upsId = subcommandArgs[0];
+          const actionIndex = subcommandArgs[1];
+          await actionHandler.remove(upsId, actionIndex);
+          break;
+        }
+        case 'list':
+        case 'ls': { // Alias
+          const upsId = subcommandArgs[0];
+          await actionHandler.list(upsId);
+          break;
+        }
+        default:
+          this.showActionHelp();
+          break;
+      }
+      return;
+    }
 
-      case 'list':
-        await upsHandler.list();
-        break;
+    // Handle config subcommand
+    if (command === 'config') {
+      const subcommand = commandArgs[0] || 'show';
 
-      case 'setup': 
-        // Backward compatibility: setup is now an alias for edit with no specific UPS ID
-        await upsHandler.edit(undefined);
-        break;
-
-      case 'enable':
-        await serviceHandler.enable();
-        break;
-
-      case 'daemon-start':
-        await serviceHandler.daemonStart(debugMode);
-        break;
-
-      case 'logs':
-        await serviceHandler.logs();
-        break;
-
-      case 'stop':
-        await serviceHandler.stop();
-        break;
-
-      case 'start':
-        await serviceHandler.start();
-        break;
-
-      case 'status':
-        await serviceHandler.status();
-        break;
-
-      case 'disable':
-        await serviceHandler.disable();
-        break;
-
-      case 'test':
-        await upsHandler.test(debugMode);
-        break;
+      switch (subcommand) {
+        case 'show':
+        case 'display':
+          await this.showConfig();
+          break;
+        default:
+          await this.showConfig();
+          break;
+      }
+      return;
+    }
 
+    // Handle top-level commands
+    switch (command) {
       case 'update':
         await serviceHandler.update();
         break;
-
       case 'uninstall':
         await serviceHandler.uninstall();
         break;
-
-      case 'config':
-        await this.showConfig();
-        break;
-
       case 'help':
+      case '--help':
+      case '-h':
+        this.showHelp();
+        break;
       default:
+        logger.error(`Unknown command: ${command}`);
+        logger.log('');
         this.showHelp();
         break;
     }
@@ -192,181 +268,320 @@ export class NupstCli {
       // Try to load configuration
       try {
         await this.nupst.getDaemon().loadConfig();
-      } catch (error) {
-        const errorBoxWidth = 45;
-        logger.logBoxTitle('Configuration Error', errorBoxWidth);
-        logger.logBoxLine('No configuration found.');
-        logger.logBoxLine("Please run 'nupst setup' first to create a configuration.");
-        logger.logBoxEnd();
+      } catch (_error) {
+        logger.logBox('Configuration Error', [
+          'No configuration found.',
+          "Please run 'nupst ups add' first to create a configuration.",
+        ], 50, 'error');
         return;
       }
 
       // Get current configuration
       const config = this.nupst.getDaemon().getConfig();
 
-      const boxWidth = 50;
-      logger.logBoxTitle('NUPST Configuration', boxWidth);
-
       // Check if multi-UPS config
       if (config.upsDevices && Array.isArray(config.upsDevices)) {
-        // Multi-UPS configuration
-        logger.logBoxLine(`UPS Devices: ${config.upsDevices.length}`);
-        logger.logBoxLine(`Groups: ${config.groups ? config.groups.length : 0}`);
-        logger.logBoxLine(`Check Interval: ${config.checkInterval / 1000} seconds`);
-        logger.logBoxLine('');
-        logger.logBoxLine('Configuration File Location:');
-        logger.logBoxLine('  /etc/nupst/config.json');
-        logger.logBoxEnd();
+        // === Multi-UPS Configuration ===
+        
+        // Overview Box
+        logger.log('');
+        logger.logBox('NUPST Configuration', [
+          `UPS Devices: ${theme.highlight(String(config.upsDevices.length))}`,
+          `Groups: ${theme.highlight(String(config.groups ? config.groups.length : 0))}`,
+          `Check Interval: ${theme.info(String(config.checkInterval / 1000))} seconds`,
+          '',
+          theme.dim('Configuration File:'),
+          `  ${theme.path('/etc/nupst/config.json')}`,
+        ], 60, 'info');
 
-        // Show UPS devices
+        // UPS Devices Table
         if (config.upsDevices.length > 0) {
-          logger.logBoxTitle('UPS Devices', boxWidth);
-          for (const ups of config.upsDevices) {
-            logger.logBoxLine(`${ups.name} (${ups.id}):`);
-            logger.logBoxLine(`  Host: ${ups.snmp.host}:${ups.snmp.port}`);
-            logger.logBoxLine(`  Model: ${ups.snmp.upsModel}`);
-            logger.logBoxLine(`  Thresholds: ${ups.thresholds.battery}% battery, ${ups.thresholds.runtime} min runtime`);
-            logger.logBoxLine(`  Groups: ${ups.groups.length > 0 ? ups.groups.join(', ') : 'None'}`);
-            logger.logBoxLine('');
-          }
-          logger.logBoxEnd();
+          const upsRows = config.upsDevices.map((ups) => ({
+            name: ups.name,
+            id: theme.dim(ups.id),
+            host: `${ups.snmp.host}:${ups.snmp.port}`,
+            model: ups.snmp.upsModel || 'cyberpower',
+            actions: `${(ups.actions || []).length} configured`,
+            groups: ups.groups.length > 0 ? ups.groups.join(', ') : theme.dim('None'),
+          }));
+
+          const upsColumns: ITableColumn[] = [
+            { header: 'Name', key: 'name', align: 'left', color: theme.highlight },
+            { header: 'ID', key: 'id', align: 'left' },
+            { header: 'Host:Port', key: 'host', align: 'left', color: theme.info },
+            { header: 'Model', key: 'model', align: 'left' },
+            { header: 'Actions', key: 'actions', align: 'left' },
+            { header: 'Groups', key: 'groups', align: 'left' },
+          ];
+
+          logger.log('');
+          logger.info(`UPS Devices (${config.upsDevices.length}):`);
+          logger.log('');
+          logger.logTable(upsColumns, upsRows);
         }
 
-        // Show groups
+        // Groups Table
         if (config.groups && config.groups.length > 0) {
-          logger.logBoxTitle('UPS Groups', boxWidth);
-          for (const group of config.groups) {
-            logger.logBoxLine(`${group.name} (${group.id}):`);
-            logger.logBoxLine(`  Mode: ${group.mode}`);
-            if (group.description) {
-              logger.logBoxLine(`  Description: ${group.description}`);
-            }
-            
-            // List UPS devices in this group
-            const upsInGroup = config.upsDevices.filter(ups => ups.groups && ups.groups.includes(group.id));
-            logger.logBoxLine(`  UPS Devices: ${upsInGroup.length > 0 ? 
-              upsInGroup.map(ups => ups.name).join(', ') : 'None'}`);
-            logger.logBoxLine('');
-          }
-          logger.logBoxEnd();
+          const groupRows = config.groups.map((group) => {
+            const upsInGroup = config.upsDevices.filter((ups) =>
+              ups.groups && ups.groups.includes(group.id)
+            );
+            return {
+              name: group.name,
+              id: theme.dim(group.id),
+              mode: group.mode,
+              upsCount: String(upsInGroup.length),
+              ups: upsInGroup.length > 0 
+                ? upsInGroup.map((ups) => ups.name).join(', ') 
+                : theme.dim('None'),
+              description: group.description || theme.dim('—'),
+            };
+          });
+
+          const groupColumns: ITableColumn[] = [
+            { header: 'Name', key: 'name', align: 'left', color: theme.highlight },
+            { header: 'ID', key: 'id', align: 'left' },
+            { header: 'Mode', key: 'mode', align: 'left', color: theme.info },
+            { header: 'UPS', key: 'upsCount', align: 'right' },
+            { header: 'UPS Devices', key: 'ups', align: 'left' },
+            { header: 'Description', key: 'description', align: 'left' },
+          ];
+
+          logger.log('');
+          logger.info(`UPS Groups (${config.groups.length}):`);
+          logger.log('');
+          logger.logTable(groupColumns, groupRows);
         }
       } else {
-        // Legacy single UPS configuration
-        // SNMP Settings
-        logger.logBoxLine('SNMP Settings:');
-        logger.logBoxLine(`  Host: ${config.snmp.host}`);
-        logger.logBoxLine(`  Port: ${config.snmp.port}`);
-        logger.logBoxLine(`  Version: ${config.snmp.version}`);
-        logger.logBoxLine(`  UPS Model: ${config.snmp.upsModel || 'cyberpower'}`);
-
-        if (config.snmp.version === 1 || config.snmp.version === 2) {
-          logger.logBoxLine(`  Community: ${config.snmp.community}`);
-        } else if (config.snmp.version === 3) {
-          logger.logBoxLine(`  Security Level: ${config.snmp.securityLevel}`);
-          logger.logBoxLine(`  Username: ${config.snmp.username}`);
-
-          // Show auth and privacy details based on security level
-          if (
-            config.snmp.securityLevel === 'authNoPriv' ||
-            config.snmp.securityLevel === 'authPriv'
-          ) {
-            logger.logBoxLine(`  Auth Protocol: ${config.snmp.authProtocol || 'None'}`);
-          }
-
-          if (config.snmp.securityLevel === 'authPriv') {
-            logger.logBoxLine(`  Privacy Protocol: ${config.snmp.privProtocol || 'None'}`);
-          }
-
-          // Show timeout value
-          logger.logBoxLine(`  Timeout: ${config.snmp.timeout / 1000} seconds`);
+        // === Legacy Single UPS Configuration ===
+        
+        if (!config.snmp) {
+          logger.logBox('Configuration Error', [
+            'Error: Legacy configuration missing SNMP settings',
+          ], 60, 'error');
+          return;
         }
 
-        // Show OIDs if custom model is selected
-        if (config.snmp.upsModel === 'custom' && config.snmp.customOIDs) {
-          logger.logBoxLine('Custom OIDs:');
-          logger.logBoxLine(`  Power Status: ${config.snmp.customOIDs.POWER_STATUS || 'Not set'}`);
-          logger.logBoxLine(
-            `  Battery Capacity: ${config.snmp.customOIDs.BATTERY_CAPACITY || 'Not set'}`
-          );
-          logger.logBoxLine(`  Battery Runtime: ${config.snmp.customOIDs.BATTERY_RUNTIME || 'Not set'}`);
-        }
-
-        // Thresholds
-        logger.logBoxLine('Thresholds:');
-        logger.logBoxLine(`  Battery: ${config.thresholds.battery}%`);
-        logger.logBoxLine(`  Runtime: ${config.thresholds.runtime} minutes`);
-        logger.logBoxLine(`Check Interval: ${config.checkInterval / 1000} seconds`);
-
-        // Configuration file location
-        logger.logBoxLine('');
-        logger.logBoxLine('Configuration File Location:');
-        logger.logBoxLine('  /etc/nupst/config.json');
-        logger.logBoxLine('');
-        logger.logBoxLine('Note: Using legacy single-UPS configuration format.');
-        logger.logBoxLine('Consider using "nupst add" to migrate to multi-UPS format.');
-
-        logger.logBoxEnd();
+        logger.log('');
+        logger.logBox('NUPST Configuration (Legacy)', [
+          theme.warning('Legacy single-UPS configuration format'),
+          '',
+          theme.dim('SNMP Settings:'),
+          `  Host: ${theme.info(config.snmp.host)}`,
+          `  Port: ${theme.info(String(config.snmp.port))}`,
+          `  Version: ${config.snmp.version}`,
+          `  UPS Model: ${config.snmp.upsModel || 'cyberpower'}`,
+          ...(config.snmp.version === 1 || config.snmp.version === 2 
+            ? [`  Community: ${config.snmp.community}`]
+            : []
+          ),
+          ...(config.snmp.version === 3 
+            ? [
+                `  Security Level: ${config.snmp.securityLevel}`,
+                `  Username: ${config.snmp.username}`,
+                ...(config.snmp.securityLevel === 'authNoPriv' || config.snmp.securityLevel === 'authPriv'
+                  ? [`  Auth Protocol: ${config.snmp.authProtocol || 'None'}`]
+                  : []
+                ),
+                ...(config.snmp.securityLevel === 'authPriv'
+                  ? [`  Privacy Protocol: ${config.snmp.privProtocol || 'None'}`]
+                  : []
+                ),
+                `  Timeout: ${config.snmp.timeout / 1000} seconds`,
+              ]
+            : []
+          ),
+          ...(config.snmp.upsModel === 'custom' && config.snmp.customOIDs
+            ? [
+                theme.dim('Custom OIDs:'),
+                `  Power Status: ${config.snmp.customOIDs.POWER_STATUS || 'Not set'}`,
+                `  Battery Capacity: ${config.snmp.customOIDs.BATTERY_CAPACITY || 'Not set'}`,
+                `  Battery Runtime: ${config.snmp.customOIDs.BATTERY_RUNTIME || 'Not set'}`,
+              ]
+            : []
+          ),
+          '',
+          
+          `  Check Interval: ${config.checkInterval / 1000} seconds`,
+          '',
+          theme.dim('Configuration File:'),
+          `  ${theme.path('/etc/nupst/config.json')}`,
+          '',
+          theme.warning('Note: Using legacy single-UPS configuration format.'),
+          `Consider using ${theme.command('nupst ups add')} to migrate to multi-UPS format.`,
+        ], 70, 'warning');
       }
 
-      // Show service status
+      // Service Status
       try {
         const isActive =
           execSync('systemctl is-active nupst.service || true').toString().trim() === 'active';
         const isEnabled =
           execSync('systemctl is-enabled nupst.service || true').toString().trim() === 'enabled';
 
-        const statusBoxWidth = 45;
-        logger.logBoxTitle('Service Status', statusBoxWidth);
-        logger.logBoxLine(`Service Active: ${isActive ? 'Yes' : 'No'}`);
-        logger.logBoxLine(`Service Enabled: ${isEnabled ? 'Yes' : 'No'}`);
-        logger.logBoxEnd();
-      } catch (error) {
+        logger.log('');
+        logger.logBox('Service Status', [
+          `Active: ${isActive ? theme.success('Yes') : theme.dim('No')}`,
+          `Enabled: ${isEnabled ? theme.success('Yes') : theme.dim('No')}`,
+        ], 50, isActive ? 'success' : 'default');
+        logger.log('');
+      } catch (_error) {
         // Ignore errors checking service status
       }
     } catch (error) {
-      logger.error(`Failed to display configuration: ${error.message}`);
+      logger.error(
+        `Failed to display configuration: ${
+          error instanceof Error ? error.message : String(error)
+        }`,
+      );
     }
   }
 
+  /**
+   * Display version information
+   */
+  private showVersion(): void {
+    const version = this.nupst.getVersion();
+    logger.log(`NUPST version ${version}`);
+    logger.log('Network UPS Shutdown Tool (https://nupst.serve.zone)');
+  }
+
   /**
    * Display help message
    */
   private showHelp(): void {
+    console.log('');
+    logger.highlight('NUPST - UPS Shutdown Tool');
+    logger.dim('Deno-powered UPS monitoring and shutdown automation');
+    console.log('');
+
+    // Usage section
+    logger.log(theme.info('Usage:'));
+    logger.log(`  ${theme.command('nupst')} ${theme.dim('<command> [options]')}`);
+    console.log('');
+
+    // Main commands section
+    logger.log(theme.info('Commands:'));
+    this.printCommand('service <subcommand>', 'Manage systemd service');
+    this.printCommand('ups <subcommand>', 'Manage UPS devices');
+    this.printCommand('group <subcommand>', 'Manage UPS groups');
+    this.printCommand('action <subcommand>', 'Manage UPS actions');
+    this.printCommand('config [show]', 'Display current configuration');
+    this.printCommand('update', 'Update NUPST from repository', theme.dim('(requires root)'));
+    this.printCommand('uninstall', 'Completely remove NUPST', theme.dim('(requires root)'));
+    this.printCommand('help, --help, -h', 'Show this help message');
+    this.printCommand('--version, -v', 'Show version information');
+    console.log('');
+
+    // Service subcommands
+    logger.log(theme.info('Service Subcommands:'));
+    this.printCommand('nupst service enable', 'Install and enable systemd service', theme.dim('(requires root)'));
+    this.printCommand('nupst service disable', 'Stop and disable systemd service', theme.dim('(requires root)'));
+    this.printCommand('nupst service start', 'Start the systemd service');
+    this.printCommand('nupst service stop', 'Stop the systemd service');
+    this.printCommand('nupst service restart', 'Restart the systemd service');
+    this.printCommand('nupst service status', 'Show service and UPS status');
+    this.printCommand('nupst service logs', 'Show service logs in real-time');
+    this.printCommand('nupst service start-daemon', 'Start daemon process directly');
+    console.log('');
+
+    // UPS subcommands
+    logger.log(theme.info('UPS Subcommands:'));
+    this.printCommand('nupst ups add', 'Add a new UPS device');
+    this.printCommand('nupst ups edit [id]', 'Edit a UPS device (default if no ID)');
+    this.printCommand('nupst ups remove <id>', 'Remove a UPS device by ID');
+    this.printCommand('nupst ups list (or ls)', 'List all configured UPS devices');
+    this.printCommand('nupst ups test', 'Test UPS connections');
+    console.log('');
+
+    // Group subcommands
+    logger.log(theme.info('Group Subcommands:'));
+    this.printCommand('nupst group add', 'Add a new UPS group');
+    this.printCommand('nupst group edit <id>', 'Edit an existing UPS group');
+    this.printCommand('nupst group remove <id>', 'Remove a UPS group by ID');
+    this.printCommand('nupst group list (or ls)', 'List all UPS groups');
+    console.log('');
+
+    // Action subcommands
+    logger.log(theme.info('Action Subcommands:'));
+    this.printCommand('nupst action add <target-id>', 'Add a new action to a UPS or group');
+    this.printCommand('nupst action remove <target-id> <index>', 'Remove an action by index');
+    this.printCommand('nupst action list [target-id]', 'List all actions (optionally for specific target)');
+    console.log('');
+
+    // Options
+    logger.log(theme.info('Options:'));
+    this.printCommand('--debug, -d', 'Enable debug mode for detailed SNMP logging');
+    logger.dim('                     (Example: nupst ups test --debug)');
+    console.log('');
+
+    // Examples
+    logger.log(theme.info('Examples:'));
+    logger.dim('  nupst service enable     # Install and start the service');
+    logger.dim('  nupst ups add            # Add a new UPS interactively');
+    logger.dim('  nupst group list         # Show all configured groups');
+    logger.dim('  nupst config             # Display current configuration');
+    console.log('');
+  }
+
+  /**
+   * Helper to print a command with description
+   */
+  private printCommand(command: string, description: string, extra?: string): void {
+    const paddedCommand = command.padEnd(30);
+    logger.log(`  ${theme.command(paddedCommand)} ${description}${extra ? ' ' + extra : ''}`);
+  }
+
+  /**
+   * Display help message for service commands
+   */
+  private showServiceHelp(): void {
     logger.log(`
-NUPST - Node.js UPS Shutdown Tool
+NUPST - Service Management Commands
 
 Usage:
-  nupst enable         - Install and enable the systemd service (requires root)
-  nupst disable        - Stop and uninstall the systemd service (requires root)
-  nupst daemon-start   - Start the daemon process directly
-  nupst logs           - Show logs of the systemd service
-  nupst stop           - Stop the systemd service
-  nupst start          - Start the systemd service
-  nupst status         - Show status of the systemd service and UPS status
+  nupst service <subcommand>
 
-UPS Management:
-  nupst add            - Add a new UPS device
-  nupst edit [id]      - Edit an existing UPS (default UPS if no ID provided)
-  nupst delete <id>    - Delete a UPS by ID
-  nupst list           - List all configured UPS devices
-  nupst setup          - Alias for 'nupst edit' (backward compatibility)
-  
-Group Management:
-  nupst group list     - List all UPS groups
-  nupst group add      - Add a new UPS group
-  nupst group edit <id> - Edit an existing UPS group
-  nupst group delete <id> - Delete a UPS group
-  
-System Commands:
-  nupst test           - Test the current configuration by connecting to all UPS devices
-  nupst config         - Display the current configuration
-  nupst update         - Update NUPST from repository and refresh systemd service (requires root)
-  nupst uninstall      - Completely uninstall NUPST from the system (requires root)
-  nupst help           - Show this help message
+Subcommands:
+  enable                   - Install and enable the systemd service (requires root)
+  disable                  - Stop and disable the systemd service (requires root)
+  start                    - Start the systemd service
+  stop                     - Stop the systemd service
+  restart                  - Restart the systemd service
+  status                   - Show service status and UPS information
+  logs                     - Show service logs in real-time
+  start-daemon             - Start the daemon process directly (for testing)
 
 Options:
-  --debug, -d         - Enable debug mode for detailed SNMP logging
-                        (Example: nupst test --debug)
+  --debug, -d             - Enable debug mode for detailed logging
+`);
+  }
+
+  /**
+   * Display help message for UPS commands
+   */
+  private showUpsHelp(): void {
+    logger.log(`
+NUPST - UPS Management Commands
+
+Usage:
+  nupst ups <subcommand> [arguments]
+
+Subcommands:
+  add                      - Add a new UPS device interactively
+  edit [id]                - Edit a UPS device (edits default if no ID provided)
+  remove <id>              - Remove a UPS device by ID (alias: rm)
+  list                     - List all configured UPS devices (alias: ls)
+  test                     - Test connections to all configured UPS devices
+
+Options:
+  --debug, -d             - Enable debug mode for detailed SNMP logging
+
+Examples:
+  nupst ups add           - Add a new UPS device
+  nupst ups edit ups-1    - Edit UPS with ID 'ups-1'
+  nupst ups remove ups-1  - Remove UPS with ID 'ups-1'
+  nupst ups test --debug  - Test all UPS connections with debug output
 `);
   }
 
@@ -378,13 +593,45 @@ Options:
 NUPST - Group Management Commands
 
 Usage:
-  nupst group list           - List all UPS groups
-  nupst group add            - Add a new UPS group
-  nupst group edit <id>      - Edit an existing UPS group
-  nupst group delete <id>    - Delete a UPS group
+  nupst group <subcommand> [arguments]
+
+Subcommands:
+  add                      - Add a new UPS group interactively
+  edit <id>                - Edit an existing UPS group
+  remove <id>              - Remove a UPS group by ID (alias: rm)
+  list                     - List all UPS groups (alias: ls)
 
 Options:
-  --debug, -d               - Enable debug mode for detailed logging
+  --debug, -d             - Enable debug mode for detailed logging
+
+Examples:
+  nupst group add         - Create a new group
+  nupst group edit dc-1   - Edit group with ID 'dc-1'
+  nupst group remove dc-1 - Remove group with ID 'dc-1'
 `);
   }
-}
+
+  private showActionHelp(): void {
+    logger.log(`
+NUPST - Action Management Commands
+
+Usage:
+  nupst action <subcommand> [arguments]
+
+Subcommands:
+  add <ups-id|group-id>                   - Add a new action to a UPS or group interactively
+  remove <ups-id|group-id> <index>        - Remove an action by index (alias: rm)
+  list [ups-id|group-id]                  - List all actions (optionally for specific target) (alias: ls)
+
+Options:
+  --debug, -d                             - Enable debug mode for detailed logging
+
+Examples:
+  nupst action list                       - List actions for all UPS devices and groups
+  nupst action list default               - List actions for UPS or group with ID 'default'
+  nupst action add default                - Add a new action to UPS or group 'default'
+  nupst action remove default 0           - Remove action at index 0 from UPS or group 'default'
+  nupst action add dc-rack-1              - Add a new action to group 'dc-rack-1'
+`);
+  }
+}

ts/cli/action-handler.ts

@@ -0,0 +1,357 @@
+import process from 'node:process';
+import { Nupst } from '../nupst.ts';
+import { logger, type ITableColumn } from '../logger.ts';
+import { theme, symbols } from '../colors.ts';
+import type { IActionConfig } from '../actions/base-action.ts';
+import type { IUpsConfig, IGroupConfig } from '../daemon.ts';
+
+/**
+ * Class for handling action-related CLI commands
+ * Provides interface for managing UPS actions
+ */
+export class ActionHandler {
+  private readonly nupst: Nupst;
+
+  /**
+   * Create a new action handler
+   * @param nupst Reference to the main Nupst instance
+   */
+  constructor(nupst: Nupst) {
+    this.nupst = nupst;
+  }
+
+  /**
+   * Add a new action to a UPS or group
+   */
+  public async add(targetId?: string): Promise<void> {
+    try {
+      if (!targetId) {
+        logger.error('Target ID is required');
+        logger.log(
+          `  ${theme.dim('Usage:')} ${theme.command('nupst action add <ups-id|group-id>')}`,
+        );
+        logger.log('');
+        logger.log(`  ${theme.dim('List UPS devices:')} ${theme.command('nupst ups list')}`);
+        logger.log(`  ${theme.dim('List groups:')} ${theme.command('nupst group list')}`);
+        logger.log('');
+        process.exit(1);
+      }
+
+      const config = await this.nupst.getDaemon().loadConfig();
+
+      // Check if it's a UPS
+      const ups = config.upsDevices.find((u) => u.id === targetId);
+      // Check if it's a group
+      const group = config.groups?.find((g) => g.id === targetId);
+
+      if (!ups && !group) {
+        logger.error(`UPS or Group with ID '${targetId}' not found`);
+        logger.log('');
+        logger.log(`  ${theme.dim('List available UPS devices:')} ${theme.command('nupst ups list')}`);
+        logger.log(`  ${theme.dim('List available groups:')} ${theme.command('nupst group list')}`);
+        logger.log('');
+        process.exit(1);
+      }
+
+      const target = ups || group;
+      const targetType = ups ? 'UPS' : 'Group';
+      const targetName = ups ? ups.name : group!.name;
+
+      const readline = await import('node:readline');
+      const rl = readline.createInterface({
+        input: process.stdin,
+        output: process.stdout,
+      });
+
+      const prompt = (question: string): Promise<string> => {
+        return new Promise((resolve) => {
+          rl.question(question, (answer: string) => {
+            resolve(answer);
+          });
+        });
+      };
+
+      try {
+        logger.log('');
+        logger.info(`Add Action to ${targetType} ${theme.highlight(targetName)}`);
+        logger.log('');
+
+        // Action type (currently only shutdown is supported)
+        const type = 'shutdown';
+        logger.log(`  ${theme.dim('Action type:')} ${theme.highlight('shutdown')}`);
+
+        // Battery threshold
+        const batteryStr = await prompt(
+          `  ${theme.dim('Battery threshold')} ${theme.dim('(%):')} `,
+        );
+        const battery = parseInt(batteryStr, 10);
+        if (isNaN(battery) || battery < 0 || battery > 100) {
+          logger.error('Invalid battery threshold. Must be 0-100.');
+          process.exit(1);
+        }
+
+        // Runtime threshold
+        const runtimeStr = await prompt(
+          `  ${theme.dim('Runtime threshold')} ${theme.dim('(minutes):')} `,
+        );
+        const runtime = parseInt(runtimeStr, 10);
+        if (isNaN(runtime) || runtime < 0) {
+          logger.error('Invalid runtime threshold. Must be >= 0.');
+          process.exit(1);
+        }
+
+        // Trigger mode
+        logger.log('');
+        logger.log(`  ${theme.dim('Trigger mode:')}`);
+        logger.log(`    ${theme.dim('1)')} onlyPowerChanges - Trigger only when power status changes`);
+        logger.log(
+          `    ${theme.dim('2)')} onlyThresholds - Trigger only when thresholds are violated`,
+        );
+        logger.log(
+          `    ${theme.dim('3)')} powerChangesAndThresholds - Trigger on power change AND thresholds`,
+        );
+        logger.log(`    ${theme.dim('4)')} anyChange - Trigger on any status change`);
+        const triggerChoice = await prompt(`  ${theme.dim('Choice')} ${theme.dim('[2]:')} `);
+        const triggerModeMap: Record<string, string> = {
+          '1': 'onlyPowerChanges',
+          '2': 'onlyThresholds',
+          '3': 'powerChangesAndThresholds',
+          '4': 'anyChange',
+          '': 'onlyThresholds', // Default
+        };
+        const triggerMode = triggerModeMap[triggerChoice] || 'onlyThresholds';
+
+        // Shutdown delay
+        const delayStr = await prompt(
+          `  ${theme.dim('Shutdown delay')} ${theme.dim('(seconds) [5]:')} `,
+        );
+        const shutdownDelay = delayStr ? parseInt(delayStr, 10) : 5;
+        if (isNaN(shutdownDelay) || shutdownDelay < 0) {
+          logger.error('Invalid shutdown delay. Must be >= 0.');
+          process.exit(1);
+        }
+
+        // Create the action
+        const newAction: IActionConfig = {
+          type,
+          thresholds: {
+            battery,
+            runtime,
+          },
+          triggerMode: triggerMode as IActionConfig['triggerMode'],
+          shutdownDelay,
+        };
+
+        // Add to target (UPS or group)
+        if (!target!.actions) {
+          target!.actions = [];
+        }
+        target!.actions.push(newAction);
+
+        await this.nupst.getDaemon().saveConfig(config);
+
+        logger.log('');
+        logger.success(`Action added to ${targetType} ${targetName}`);
+        logger.log(`  ${theme.dim('Changes saved and will be applied automatically')}`);
+        logger.log('');
+      } finally {
+        rl.close();
+      }
+    } catch (error) {
+      logger.error(
+        `Failed to add action: ${error instanceof Error ? error.message : String(error)}`,
+      );
+      process.exit(1);
+    }
+  }
+
+  /**
+   * Remove an action from a UPS or group
+   */
+  public async remove(targetId?: string, actionIndexStr?: string): Promise<void> {
+    try {
+      if (!targetId || !actionIndexStr) {
+        logger.error('Target ID and action index are required');
+        logger.log(
+          `  ${theme.dim('Usage:')} ${theme.command('nupst action remove <ups-id|group-id> <action-index>')}`,
+        );
+        logger.log('');
+        logger.log(`  ${theme.dim('List actions:')} ${theme.command('nupst action list')}`);
+        logger.log('');
+        process.exit(1);
+      }
+
+      const actionIndex = parseInt(actionIndexStr, 10);
+      if (isNaN(actionIndex) || actionIndex < 0) {
+        logger.error('Invalid action index. Must be >= 0.');
+        process.exit(1);
+      }
+
+      const config = await this.nupst.getDaemon().loadConfig();
+
+      // Check if it's a UPS
+      const ups = config.upsDevices.find((u) => u.id === targetId);
+      // Check if it's a group
+      const group = config.groups?.find((g) => g.id === targetId);
+
+      if (!ups && !group) {
+        logger.error(`UPS or Group with ID '${targetId}' not found`);
+        logger.log('');
+        logger.log(`  ${theme.dim('List available UPS devices:')} ${theme.command('nupst ups list')}`);
+        logger.log(`  ${theme.dim('List available groups:')} ${theme.command('nupst group list')}`);
+        logger.log('');
+        process.exit(1);
+      }
+
+      const target = ups || group;
+      const targetType = ups ? 'UPS' : 'Group';
+      const targetName = ups ? ups.name : group!.name;
+
+      if (!target!.actions || target!.actions.length === 0) {
+        logger.error(`No actions configured for ${targetType} '${targetName}'`);
+        logger.log('');
+        process.exit(1);
+      }
+
+      if (actionIndex >= target!.actions.length) {
+        logger.error(
+          `Invalid action index. ${targetType} '${targetName}' has ${target!.actions.length} action(s) (index 0-${target!.actions.length - 1})`,
+        );
+        logger.log('');
+        logger.log(
+          `  ${theme.dim('List actions:')} ${theme.command(`nupst action list ${targetId}`)}`,
+        );
+        logger.log('');
+        process.exit(1);
+      }
+
+      const removedAction = target!.actions[actionIndex];
+      target!.actions.splice(actionIndex, 1);
+
+      await this.nupst.getDaemon().saveConfig(config);
+
+      logger.log('');
+      logger.success(`Action removed from ${targetType} ${targetName}`);
+      logger.log(`  ${theme.dim('Type:')} ${removedAction.type}`);
+      if (removedAction.thresholds) {
+        logger.log(
+          `  ${theme.dim('Thresholds:')} Battery: ${removedAction.thresholds.battery}%, Runtime: ${removedAction.thresholds.runtime}min`,
+        );
+      }
+      logger.log(`  ${theme.dim('Changes saved and will be applied automatically')}`);
+      logger.log('');
+    } catch (error) {
+      logger.error(
+        `Failed to remove action: ${error instanceof Error ? error.message : String(error)}`,
+      );
+      process.exit(1);
+    }
+  }
+
+  /**
+   * List all actions for a specific UPS/group or all devices
+   */
+  public async list(targetId?: string): Promise<void> {
+    try {
+      const config = await this.nupst.getDaemon().loadConfig();
+
+      if (targetId) {
+        // List actions for specific UPS or group
+        const ups = config.upsDevices.find((u) => u.id === targetId);
+        const group = config.groups?.find((g) => g.id === targetId);
+
+        if (!ups && !group) {
+          logger.error(`UPS or Group with ID '${targetId}' not found`);
+          logger.log('');
+          logger.log(`  ${theme.dim('List available UPS devices:')} ${theme.command('nupst ups list')}`);
+          logger.log(`  ${theme.dim('List available groups:')} ${theme.command('nupst group list')}`);
+          logger.log('');
+          process.exit(1);
+        }
+
+        if (ups) {
+          this.displayTargetActions(ups, 'UPS');
+        } else {
+          this.displayTargetActions(group!, 'Group');
+        }
+      } else {
+        // List actions for all UPS devices and groups
+        logger.log('');
+        logger.info('Actions for All UPS Devices and Groups');
+        logger.log('');
+
+        let hasAnyActions = false;
+
+        // Display UPS actions
+        for (const ups of config.upsDevices) {
+          if (ups.actions && ups.actions.length > 0) {
+            hasAnyActions = true;
+            this.displayTargetActions(ups, 'UPS');
+          }
+        }
+
+        // Display Group actions
+        for (const group of config.groups || []) {
+          if (group.actions && group.actions.length > 0) {
+            hasAnyActions = true;
+            this.displayTargetActions(group, 'Group');
+          }
+        }
+
+        if (!hasAnyActions) {
+          logger.log(`  ${theme.dim('No actions configured')}`);
+          logger.log('');
+          logger.log(
+            `  ${theme.dim('Add an action:')} ${theme.command('nupst action add <ups-id|group-id>')}`,
+          );
+          logger.log('');
+        }
+      }
+    } catch (error) {
+      logger.error(
+        `Failed to list actions: ${error instanceof Error ? error.message : String(error)}`,
+      );
+      process.exit(1);
+    }
+  }
+
+  /**
+   * Display actions for a single UPS or Group
+   */
+  private displayTargetActions(
+    target: IUpsConfig | IGroupConfig,
+    targetType: 'UPS' | 'Group',
+  ): void {
+    logger.log(
+      `${symbols.info} ${targetType} ${theme.highlight(target.name)} ${theme.dim(`(${target.id})`)}`,
+    );
+    logger.log('');
+
+    if (!target.actions || target.actions.length === 0) {
+      logger.log(`  ${theme.dim('No actions configured')}`);
+      logger.log('');
+      return;
+    }
+
+    const columns: ITableColumn[] = [
+      { header: 'Index', key: 'index', align: 'right' },
+      { header: 'Type', key: 'type', align: 'left' },
+      { header: 'Battery', key: 'battery', align: 'right' },
+      { header: 'Runtime', key: 'runtime', align: 'right' },
+      { header: 'Trigger Mode', key: 'triggerMode', align: 'left' },
+      { header: 'Delay', key: 'delay', align: 'right' },
+    ];
+
+    const rows = target.actions.map((action, index) => ({
+      index: theme.dim(index.toString()),
+      type: theme.highlight(action.type),
+      battery: action.thresholds ? `${action.thresholds.battery}%` : theme.dim('N/A'),
+      runtime: action.thresholds ? `${action.thresholds.runtime}min` : theme.dim('N/A'),
+      triggerMode: theme.dim(action.triggerMode || 'onlyThresholds'),
+      delay: `${action.shutdownDelay || 5}s`,
+    }));
+
+    logger.logTable(columns, rows);
+    logger.log('');
+  }
+}

ts/cli/group-handler.ts

@@ -1,7 +1,9 @@
-import { Nupst } from '../nupst.js';
-import { logger } from '../logger.js';
-import * as helpers from '../helpers/index.js';
-import { type IGroupConfig } from '../daemon.js';
+import process from 'node:process';
+import { Nupst } from '../nupst.ts';
+import { logger, type ITableColumn } from '../logger.ts';
+import { theme } from '../colors.ts';
+import * as helpers from '../helpers/index.ts';
+import { type IGroupConfig } from '../daemon.ts';
 
 /**
  * Class for handling group-related CLI commands
@@ -27,68 +29,79 @@ export class GroupHandler {
       try {
         await this.nupst.getDaemon().loadConfig();
       } catch (error) {
-        const errorBoxWidth = 45;
-        logger.logBoxTitle('Configuration Error', errorBoxWidth);
-        logger.logBoxLine('No configuration found.');
-        logger.logBoxLine("Please run 'nupst setup' first to create a configuration.");
-        logger.logBoxEnd();
+        logger.logBox('Configuration Error', [
+          'No configuration found.',
+          "Please run 'nupst ups add' first to create a configuration.",
+        ], 50, 'error');
         return;
       }
-      
+
       // Get current configuration
       const config = this.nupst.getDaemon().getConfig();
-      
+
       // Check if multi-UPS config
       if (!config.groups || !Array.isArray(config.groups)) {
-        // Legacy or missing groups configuration
-        const boxWidth = 45;
-        logger.logBoxTitle('UPS Groups', boxWidth);
-        logger.logBoxLine('No groups configured.');
-        logger.logBoxLine('Use "nupst group add" to add a UPS group.');
-        logger.logBoxEnd();
+        logger.logBox('UPS Groups', [
+          'No groups configured.',
+          '',
+          `${theme.dim('Run')} ${theme.command('nupst group add')} ${theme.dim('to add a group')}`,
+        ], 50, 'info');
         return;
       }
-      
-      // Display group list
-      const boxWidth = 60;
-      logger.logBoxTitle('UPS Groups', boxWidth);
-      
+
+      // Display group list with modern table
       if (config.groups.length === 0) {
-        logger.logBoxLine('No UPS groups configured.');
-        logger.logBoxLine('Use "nupst group add" to add a UPS group.');
-      } else {
-        logger.logBoxLine(`Found ${config.groups.length} group(s)`);
-        logger.logBoxLine('');
-        logger.logBoxLine('ID         | Name                 | Mode         | UPS Devices');
-        logger.logBoxLine('-----------+----------------------+--------------+----------------');
-        
-        for (const group of config.groups) {
-          const id = group.id.padEnd(10, ' ').substring(0, 10);
-          const name = (group.name || '').padEnd(20, ' ').substring(0, 20);
-          const mode = (group.mode || 'unknown').padEnd(12, ' ').substring(0, 12);
-          
-          // Count UPS devices in this group
-          const upsInGroup = config.upsDevices.filter(ups => ups.groups.includes(group.id));
-          const upsCount = upsInGroup.length;
-          const upsNames = upsInGroup.map(ups => ups.name).join(', ');
-          
-          logger.logBoxLine(`${id} | ${name} | ${mode} | ${upsCount > 0 ? upsNames : 'None'}`);
-        }
+        logger.logBox('UPS Groups', [
+          'No UPS groups configured.',
+          '',
+          `${theme.dim('Run')} ${theme.command('nupst group add')} ${theme.dim('to add a group')}`,
+        ], 60, 'info');
+        return;
       }
-      
-      logger.logBoxEnd();
+
+      // Prepare table data
+      const rows = config.groups.map((group) => {
+        // Count UPS devices in this group
+        const upsInGroup = config.upsDevices.filter((ups) => ups.groups.includes(group.id));
+        const upsCount = upsInGroup.length;
+        const upsNames = upsInGroup.map((ups) => ups.name).join(', ');
+
+        return {
+          id: group.id,
+          name: group.name || '',
+          mode: group.mode || 'unknown',
+          count: String(upsCount),
+          devices: upsCount > 0 ? upsNames : theme.dim('None'),
+        };
+      });
+
+      const columns: ITableColumn[] = [
+        { header: 'ID', key: 'id', align: 'left', color: theme.highlight },
+        { header: 'Name', key: 'name', align: 'left' },
+        { header: 'Mode', key: 'mode', align: 'left', color: theme.info },
+        { header: 'UPS Count', key: 'count', align: 'right' },
+        { header: 'UPS Devices', key: 'devices', align: 'left' },
+      ];
+
+      logger.log('');
+      logger.info(`UPS Groups (${config.groups.length}):`);
+      logger.log('');
+      logger.logTable(columns, rows);
+      logger.log('');
     } catch (error) {
-      logger.error(`Failed to list UPS groups: ${error.message}`);
+      logger.error(
+        `Failed to list UPS groups: ${error instanceof Error ? error.message : String(error)}`,
+      );
     }
   }
-  
+
   /**
    * Add a new UPS group
    */
   public async add(): Promise<void> {
     try {
       // Import readline module for user input
-      const readline = await import('readline');
+      const readline = await import('node:readline');
 
       const rl = readline.createInterface({
         input: process.stdin,
@@ -109,54 +122,56 @@ export class GroupHandler {
         try {
           await this.nupst.getDaemon().loadConfig();
         } catch (error) {
-          logger.error('No configuration found. Please run "nupst setup" first to create a configuration.');
+          logger.error(
+            'No configuration found. Please run "nupst setup" first to create a configuration.',
+          );
           return;
         }
-        
+
         // Get current configuration
         const config = this.nupst.getDaemon().getConfig();
-        
+
         // Initialize groups array if not exists
         if (!config.groups) {
           config.groups = [];
         }
-        
+
         // Check if upsDevices is initialized
         if (!config.upsDevices) {
           config.upsDevices = [];
         }
-        
+
         logger.log('\nNUPST Add Group');
         logger.log('==============\n');
         logger.log('This will guide you through creating a new UPS group.\n');
-        
+
         // Generate a new unique group ID
         const groupId = helpers.shortId();
-        
+
         // Get group name
         const name = await prompt('Group Name: ');
-        
+
         // Get group mode
         const modeInput = await prompt('Group Mode (redundant/nonRedundant) [redundant]: ');
         const mode = modeInput.toLowerCase() === 'nonredundant' ? 'nonRedundant' : 'redundant';
-        
+
         // Get optional description
         const description = await prompt('Group Description (optional): ');
-        
+
         // Create the new group
         const newGroup: IGroupConfig = {
           id: groupId,
           name: name || `Group-${groupId}`,
           mode,
-          description: description || undefined
+          description: description || undefined,
         };
-        
+
         // Add the group to the configuration
         config.groups.push(newGroup);
-        
+
         // Save the configuration
         await this.nupst.getDaemon().saveConfig(config);
-        
+
         // Display summary
         const boxWidth = 45;
         logger.logBoxTitle('Group Created', boxWidth);
@@ -167,30 +182,33 @@ export class GroupHandler {
           logger.logBoxLine(`Description: ${newGroup.description}`);
         }
         logger.logBoxEnd();
-        
+
         // Check if there are UPS devices to assign to this group
         if (config.upsDevices.length > 0) {
-          const assignUps = await prompt('Would you like to assign UPS devices to this group now? (y/N): ');
+          const assignUps = await prompt(
+            'Would you like to assign UPS devices to this group now? (y/N): ',
+          );
           if (assignUps.toLowerCase() === 'y') {
             await this.assignUpsToGroup(newGroup.id, config, prompt);
-            
+
             // Save again after assigning UPS devices
             await this.nupst.getDaemon().saveConfig(config);
           }
         }
-        
+
         // Check if service is running and restart it if needed
         this.nupst.getUpsHandler().restartServiceIfRunning();
-        
+
         logger.log('\nGroup setup complete!');
       } finally {
         rl.close();
+        process.stdin.destroy();
       }
     } catch (error) {
-      logger.error(`Add group error: ${error.message}`);
+      logger.error(`Add group error: ${error instanceof Error ? error.message : String(error)}`);
     }
   }
-  
+
   /**
    * Edit an existing UPS group
    * @param groupId ID of the group to edit
@@ -198,7 +216,7 @@ export class GroupHandler {
   public async edit(groupId: string): Promise<void> {
     try {
       // Import readline module for user input
-      const readline = await import('readline');
+      const readline = await import('node:readline');
 
       const rl = readline.createInterface({
         input: process.stdin,
@@ -219,57 +237,61 @@ export class GroupHandler {
         try {
           await this.nupst.getDaemon().loadConfig();
         } catch (error) {
-          logger.error('No configuration found. Please run "nupst setup" first to create a configuration.');
+          logger.error(
+            'No configuration found. Please run "nupst setup" first to create a configuration.',
+          );
           return;
         }
-        
+
         // Get current configuration
         const config = this.nupst.getDaemon().getConfig();
-        
+
         // Check if groups are initialized
         if (!config.groups || !Array.isArray(config.groups)) {
-          logger.error('No groups configured. Please run "nupst group add" first to create a group.');
+          logger.error(
+            'No groups configured. Please run "nupst group add" first to create a group.',
+          );
           return;
         }
-        
+
         // Find the group to edit
-        const groupIndex = config.groups.findIndex(group => group.id === groupId);
+        const groupIndex = config.groups.findIndex((group) => group.id === groupId);
         if (groupIndex === -1) {
           logger.error(`Group with ID "${groupId}" not found.`);
           return;
         }
-        
+
         const group = config.groups[groupIndex];
-        
+
         logger.log(`\nNUPST Edit Group: ${group.name} (${group.id})`);
         logger.log('==============================================\n');
-        
+
         // Edit group name
         const newName = await prompt(`Group Name [${group.name}]: `);
         if (newName.trim()) {
           group.name = newName;
         }
-        
+
         // Edit group mode
         const currentMode = group.mode || 'redundant';
         const modeInput = await prompt(`Group Mode (redundant/nonRedundant) [${currentMode}]: `);
         if (modeInput.trim()) {
           group.mode = modeInput.toLowerCase() === 'nonredundant' ? 'nonRedundant' : 'redundant';
         }
-        
+
         // Edit description
         const currentDesc = group.description || '';
         const newDesc = await prompt(`Group Description [${currentDesc}]: `);
         if (newDesc.trim() || newDesc === '') {
           group.description = newDesc.trim() || undefined;
         }
-        
+
         // Update the group in the configuration
         config.groups[groupIndex] = group;
-        
+
         // Save the configuration
         await this.nupst.getDaemon().saveConfig(config);
-        
+
         // Display summary
         const boxWidth = 45;
         logger.logBoxTitle('Group Updated', boxWidth);
@@ -280,80 +302,89 @@ export class GroupHandler {
           logger.logBoxLine(`Description: ${group.description}`);
         }
         logger.logBoxEnd();
-        
+
         // Edit UPS assignments if requested
-        const editAssignments = await prompt('Would you like to edit UPS assignments for this group? (y/N): ');
+        const editAssignments = await prompt(
+          'Would you like to edit UPS assignments for this group? (y/N): ',
+        );
         if (editAssignments.toLowerCase() === 'y') {
           await this.assignUpsToGroup(group.id, config, prompt);
-          
+
           // Save again after editing assignments
           await this.nupst.getDaemon().saveConfig(config);
         }
-        
+
         // Check if service is running and restart it if needed
         this.nupst.getUpsHandler().restartServiceIfRunning();
-        
+
         logger.log('\nGroup edit complete!');
       } finally {
         rl.close();
+        process.stdin.destroy();
       }
     } catch (error) {
-      logger.error(`Edit group error: ${error.message}`);
+      logger.error(`Edit group error: ${error instanceof Error ? error.message : String(error)}`);
     }
   }
-  
+
   /**
    * Delete an existing UPS group
    * @param groupId ID of the group to delete
    */
-  public async delete(groupId: string): Promise<void> {
+  public async remove(groupId: string): Promise<void> {
     try {
       // Try to load configuration
       try {
         await this.nupst.getDaemon().loadConfig();
       } catch (error) {
-        logger.error('No configuration found. Please run "nupst setup" first to create a configuration.');
+        logger.error(
+          'No configuration found. Please run "nupst setup" first to create a configuration.',
+        );
         return;
       }
-      
+
       // Get current configuration
       const config = this.nupst.getDaemon().getConfig();
-      
+
       // Check if groups are initialized
       if (!config.groups || !Array.isArray(config.groups)) {
         logger.error('No groups configured.');
         return;
       }
-      
+
       // Find the group to delete
-      const groupIndex = config.groups.findIndex(group => group.id === groupId);
+      const groupIndex = config.groups.findIndex((group) => group.id === groupId);
       if (groupIndex === -1) {
         logger.error(`Group with ID "${groupId}" not found.`);
         return;
       }
-      
+
       const groupToDelete = config.groups[groupIndex];
-      
+
       // Get confirmation before deleting
-      const readline = await import('readline');
+      const readline = await import('node:readline');
       const rl = readline.createInterface({
         input: process.stdin,
         output: process.stdout,
       });
-      
-      const confirm = await new Promise<string>(resolve => {
-        rl.question(`Are you sure you want to delete group "${groupToDelete.name}" (${groupId})? [y/N]: `, answer => {
-          resolve(answer.toLowerCase());
-        });
+
+      const confirm = await new Promise<string>((resolve) => {
+        rl.question(
+          `Are you sure you want to delete group "${groupToDelete.name}" (${groupId})? [y/N]: `,
+          (answer) => {
+            resolve(answer.toLowerCase());
+          },
+        );
       });
-      
+
       rl.close();
-      
+      process.stdin.destroy();
+
       if (confirm !== 'y' && confirm !== 'yes') {
         logger.log('Deletion cancelled.');
         return;
       }
-      
+
       // Remove this group from all UPS device group assignments
       if (config.upsDevices && Array.isArray(config.upsDevices)) {
         for (const ups of config.upsDevices) {
@@ -363,19 +394,21 @@ export class GroupHandler {
           }
         }
       }
-      
+
       // Remove the group from the array
       config.groups.splice(groupIndex, 1);
-      
+
       // Save the configuration
       await this.nupst.getDaemon().saveConfig(config);
-      
+
       logger.log(`Group "${groupToDelete.name}" (${groupId}) has been deleted.`);
-      
+
       // Check if service is running and restart it if needed
       this.nupst.getUpsHandler().restartServiceIfRunning();
     } catch (error) {
-      logger.error(`Failed to delete group: ${error.message}`);
+      logger.error(
+        `Failed to delete group: ${error instanceof Error ? error.message : String(error)}`,
+      );
     }
   }
 
@@ -388,18 +421,18 @@ export class GroupHandler {
   public async assignUpsToGroups(
     ups: any,
     groups: any[],
-    prompt: (question: string) => Promise<string>
+    prompt: (question: string) => Promise<string>,
   ): Promise<void> {
     // Initialize groups array if it doesn't exist
     if (!ups.groups) {
       ups.groups = [];
     }
-    
+
     // Show current group assignments
     logger.log('\nCurrent Group Assignments:');
     if (ups.groups && ups.groups.length > 0) {
       for (const groupId of ups.groups) {
-        const group = groups.find(g => g.id === groupId);
+        const group = groups.find((g) => g.id === groupId);
         if (group) {
           logger.log(`- ${group.name} (${group.id})`);
         } else {
@@ -409,52 +442,56 @@ export class GroupHandler {
     } else {
       logger.log('- None');
     }
-    
+
     // Show available groups
     logger.log('\nAvailable Groups:');
     if (groups.length === 0) {
       logger.log('- No groups available. Use "nupst group add" to create groups.');
       return;
     }
-    
+
     for (let i = 0; i < groups.length; i++) {
       const group = groups[i];
       const assigned = ups.groups && ups.groups.includes(group.id);
-      logger.log(`${i + 1}) ${group.name} (${group.id}) [${assigned ? 'Assigned' : 'Not Assigned'}]`);
+      logger.log(
+        `${i + 1}) ${group.name} (${group.id}) [${assigned ? 'Assigned' : 'Not Assigned'}]`,
+      );
     }
-    
+
     // Prompt for group selection
-    const selection = await prompt('\nSelect groups to assign/unassign (comma-separated numbers, or "clear" to remove all): ');
-    
+    const selection = await prompt(
+      '\nSelect groups to assign/unassign (comma-separated numbers, or "clear" to remove all): ',
+    );
+
     if (selection.toLowerCase() === 'clear') {
       // Clear all group assignments
       ups.groups = [];
       logger.log('All group assignments cleared.');
       return;
     }
-    
+
     if (!selection.trim()) {
       // No change if empty input
       return;
     }
-    
+
     // Process selections
-    const selections = selection.split(',').map(s => s.trim());
-    
+    const selections = selection.split(',').map((s) => s.trim());
+
     for (const sel of selections) {
       const index = parseInt(sel, 10) - 1;
       if (isNaN(index) || index < 0 || index >= groups.length) {
         logger.error(`Invalid selection: ${sel}`);
         continue;
       }
-      
+
       const group = groups[index];
-      
+
       // Initialize groups array if needed (should already be done above)
       if (!ups.groups) {
         ups.groups = [];
       }
-      
+
       // Toggle assignment
       const groupIndex = ups.groups.indexOf(group.id);
       if (groupIndex === -1) {
@@ -468,7 +505,7 @@ export class GroupHandler {
       }
     }
   }
-  
+
   /**
    * Assign UPS devices to a specific group
    * @param groupId Group ID to assign UPS devices to
@@ -478,22 +515,24 @@ export class GroupHandler {
   public async assignUpsToGroup(
     groupId: string,
     config: any,
-    prompt: (question: string) => Promise<string>
+    prompt: (question: string) => Promise<string>,
   ): Promise<void> {
     if (!config.upsDevices || config.upsDevices.length === 0) {
       logger.log('No UPS devices available. Use "nupst add" to add UPS devices.');
       return;
     }
-    
-    const group = config.groups.find(g => g.id === groupId);
+
+    const group = config.groups.find((g: { id: string }) => g.id === groupId);
     if (!group) {
       logger.error(`Group with ID "${groupId}" not found.`);
       return;
     }
-    
+
     // Show current assignments
     logger.log(`\nUPS devices in group "${group.name}" (${group.id}):`);
-    const upsInGroup = config.upsDevices.filter(ups => ups.groups && ups.groups.includes(groupId));
+    const upsInGroup = config.upsDevices.filter((ups: { groups?: string[] }) =>
+      ups.groups && ups.groups.includes(groupId)
+    );
     if (upsInGroup.length === 0) {
       logger.log('- None');
     } else {
@@ -501,7 +540,7 @@ export class GroupHandler {
         logger.log(`- ${ups.name} (${ups.id})`);
       }
     }
-    
+
     // Show all UPS devices
     logger.log('\nAvailable UPS devices:');
     for (let i = 0; i < config.upsDevices.length; i++) {
@@ -509,10 +548,12 @@ export class GroupHandler {
       const assigned = ups.groups && ups.groups.includes(groupId);
       logger.log(`${i + 1}) ${ups.name} (${ups.id}) [${assigned ? 'Assigned' : 'Not Assigned'}]`);
     }
-    
+
     // Prompt for UPS selection
-    const selection = await prompt('\nSelect UPS devices to assign/unassign (comma-separated numbers, or "clear" to remove all): ');
-    
+    const selection = await prompt(
+      '\nSelect UPS devices to assign/unassign (comma-separated numbers, or "clear" to remove all): ',
+    );
+
     if (selection.toLowerCase() === 'clear') {
       // Clear all UPS from this group
       for (const ups of config.upsDevices) {
@@ -526,29 +567,29 @@ export class GroupHandler {
       logger.log(`All UPS devices removed from group "${group.name}".`);
       return;
     }
-    
+
     if (!selection.trim()) {
       // No change if empty input
       return;
     }
-    
+
     // Process selections
-    const selections = selection.split(',').map(s => s.trim());
-    
+    const selections = selection.split(',').map((s) => s.trim());
+
     for (const sel of selections) {
       const index = parseInt(sel, 10) - 1;
       if (isNaN(index) || index < 0 || index >= config.upsDevices.length) {
         logger.error(`Invalid selection: ${sel}`);
         continue;
       }
-      
+
       const ups = config.upsDevices[index];
-      
+
       // Initialize groups array if needed
       if (!ups.groups) {
         ups.groups = [];
       }
-      
+
       // Toggle assignment
       const groupIndex = ups.groups.indexOf(groupId);
       if (groupIndex === -1) {
@@ -562,4 +603,4 @@ export class GroupHandler {
       }
     }
   }
-}
+}

ts/cli/service-handler.ts

@@ -1,6 +1,7 @@
-import { execSync } from 'child_process';
-import { Nupst } from '../nupst.js';
-import { logger } from '../logger.js';
+import process from 'node:process';
+import { execSync } from 'node:child_process';
+import { Nupst } from '../nupst.ts';
+import { logger } from '../logger.ts';
 
 /**
  * Class for handling service-related CLI commands
@@ -128,85 +129,61 @@ export class ServiceHandler {
     try {
       // Check if running as root
       this.checkRootAccess(
-        'This command must be run as root to update NUPST and refresh the systemd service.'
+        'This command must be run as root to update NUPST.',
       );
 
-      const boxWidth = 45;
-      logger.logBoxTitle('NUPST Update Process', boxWidth);
-      logger.logBoxLine('Updating NUPST from repository...');
-
-      // Determine the installation directory (assuming it's either /opt/nupst or the current directory)
-      const { existsSync } = await import('fs');
-      let installDir = '/opt/nupst';
-
-      if (!existsSync(installDir)) {
-        // If not installed in /opt/nupst, use the current directory
-        const { dirname } = await import('path');
-        installDir = dirname(dirname(process.argv[1])); // Go up two levels from the executable
-        logger.logBoxLine(`Using local installation directory: ${installDir}`);
-      }
+      console.log('');
+      logger.info('Checking for updates...');
 
       try {
-        // 1. Update the repository
-        logger.logBoxLine('Pulling latest changes from git repository...');
-        execSync(`cd ${installDir} && git fetch origin && git reset --hard origin/main`, {
-          stdio: 'pipe',
+        // Get current version
+        const currentVersion = this.nupst.getVersion();
+
+        // Fetch latest version from Gitea API
+        const apiUrl = 'https://code.foss.global/api/v1/repos/serve.zone/nupst/releases/latest';
+        const response = execSync(`curl -sSL ${apiUrl}`).toString();
+        const release = JSON.parse(response);
+        const latestVersion = release.tag_name; // e.g., "v4.0.7"
+
+        // Normalize versions for comparison (ensure both have "v" prefix)
+        const normalizedCurrent = currentVersion.startsWith('v') ? currentVersion : `v${currentVersion}`;
+        const normalizedLatest = latestVersion.startsWith('v') ? latestVersion : `v${latestVersion}`;
+
+        logger.dim(`Current version: ${normalizedCurrent}`);
+        logger.dim(`Latest version:  ${normalizedLatest}`);
+        console.log('');
+
+        // Compare normalized versions
+        if (normalizedCurrent === normalizedLatest) {
+          logger.success('Already up to date!');
+          console.log('');
+          return;
+        }
+
+        logger.info(`New version available: ${latestVersion}`);
+        logger.dim('Downloading and installing...');
+        console.log('');
+
+        // Download and run the install script
+        // This handles everything: download binary, stop service, replace, restart
+        const installUrl = 'https://code.foss.global/serve.zone/nupst/raw/branch/main/install.sh';
+
+        execSync(`curl -sSL ${installUrl} | bash`, {
+          stdio: 'inherit', // Show install script output to user
         });
 
-        // 2. Run the install.sh script
-        logger.logBoxLine('Running install.sh to update NUPST...');
-        execSync(`cd ${installDir} && bash ./install.sh`, { stdio: 'pipe' });
-
-        // 3. Run the setup.sh script with force flag to update Node.js and dependencies
-        logger.logBoxLine('Running setup.sh to update Node.js and dependencies...');
-        execSync(`cd ${installDir} && bash ./setup.sh --force`, { stdio: 'pipe' });
-
-        // 4. Refresh the systemd service
-        logger.logBoxLine('Refreshing systemd service...');
-
-        // First check if service exists
-        let serviceExists = false;
-        try {
-          const output = execSync('systemctl list-unit-files | grep nupst.service').toString();
-          serviceExists = output.includes('nupst.service');
-        } catch (error) {
-          // If grep fails (service not found), serviceExists remains false
-          serviceExists = false;
-        }
-
-        if (serviceExists) {
-          // Stop the service if it's running
-          const isRunning =
-            execSync('systemctl is-active nupst.service || true').toString().trim() === 'active';
-          if (isRunning) {
-            logger.logBoxLine('Stopping nupst service...');
-            execSync('systemctl stop nupst.service');
-          }
-
-          // Reinstall the service
-          logger.logBoxLine('Reinstalling systemd service...');
-          await this.nupst.getSystemd().install();
-
-          // Restart the service if it was running
-          if (isRunning) {
-            logger.logBoxLine('Restarting nupst service...');
-            execSync('systemctl start nupst.service');
-          }
-        } else {
-          logger.logBoxLine('Systemd service not installed, skipping service refresh.');
-          logger.logBoxLine('Run "nupst enable" to install the service.');
-        }
-
-        logger.logBoxLine('Update completed successfully!');
-        logger.logBoxEnd();
+        console.log('');
+        logger.success(`Updated to ${latestVersion}`);
+        console.log('');
       } catch (error) {
-        logger.logBoxLine('Error during update process:');
-        logger.logBoxLine(`${error.message}`);
-        logger.logBoxEnd();
+        console.log('');
+        logger.error('Update failed');
+        logger.dim(`${error instanceof Error ? error.message : String(error)}`);
+        console.log('');
         process.exit(1);
       }
     } catch (error) {
-      logger.error(`Update failed: ${error.message}`);
+      logger.error(`Update failed: ${error instanceof Error ? error.message : String(error)}`);
       process.exit(1);
     }
   }
@@ -236,13 +213,15 @@ export class ServiceHandler {
         });
       };
 
-      console.log('\nNUPST Uninstaller');
-      console.log('===============');
-      console.log('This will completely remove NUPST from your system.\n');
+      logger.log('');
+      logger.highlight('NUPST Uninstaller');
+      logger.dim('===============');
+      logger.log('This will completely remove NUPST from your system.');
+      logger.log('');
 
       // Ask about removing configuration
       const removeConfig = await prompt(
-        'Do you want to remove the NUPST configuration files? (y/N): '
+        'Do you want to remove the NUPST configuration files? (y/N): ',
       );
 
       // Find the uninstall.sh script location
@@ -274,17 +253,20 @@ export class ServiceHandler {
         }
 
         if (!uninstallScriptPath) {
-          console.error('Could not locate uninstall.sh script. Aborting uninstall.');
+          logger.error('Could not locate uninstall.sh script. Aborting uninstall.');
           rl.close();
+          process.stdin.destroy();
           process.exit(1);
         }
       }
 
       // Close readline before executing script
       rl.close();
+      process.stdin.destroy();
 
       // Execute uninstall.sh with the appropriate option
-      console.log(`\nRunning uninstaller from ${uninstallScriptPath}...`);
+      logger.log('');
+      logger.log(`Running uninstaller from ${uninstallScriptPath}...`);
 
       // Pass the configuration removal option as an environment variable
       const env = {
@@ -300,7 +282,7 @@ export class ServiceHandler {
         stdio: 'inherit', // Show output in the terminal
       });
     } catch (error) {
-      console.error(`Uninstall failed: ${error.message}`);
+      logger.error(`Uninstall failed: ${error instanceof Error ? error.message : String(error)}`);
       process.exit(1);
     }
   }
@@ -317,4 +299,4 @@ export class ServiceHandler {
 
     return { debugMode, cleanedArgs };
   }
-}
+}

ts/cli/ups-handler.ts

@@ -1,7 +1,11 @@
-import { execSync } from 'child_process';
-import { Nupst } from '../nupst.js';
-import { logger } from '../logger.js';
-import * as helpers from '../helpers/index.js';
+import process from 'node:process';
+import { execSync } from 'node:child_process';
+import { Nupst } from '../nupst.ts';
+import { logger, type ITableColumn } from '../logger.ts';
+import { theme } from '../colors.ts';
+import * as helpers from '../helpers/index.ts';
+import type { TUpsModel } from '../snmp/types.ts';
+import type { INupstConfig } from '../daemon.ts';
 
 /**
  * Class for handling UPS-related CLI commands
@@ -24,7 +28,7 @@ export class UpsHandler {
   public async add(): Promise<void> {
     try {
       // Import readline module for user input
-      const readline = await import('readline');
+      const readline = await import('node:readline');
 
       const rl = readline.createInterface({
         input: process.stdin,
@@ -44,9 +48,10 @@ export class UpsHandler {
         await this.runAddProcess(prompt);
       } finally {
         rl.close();
+        process.stdin.destroy();
       }
     } catch (error) {
-      logger.error(`Add UPS error: ${error.message}`);
+      logger.error(`Add UPS error: ${error instanceof Error ? error.message : String(error)}`);
     }
   }
 
@@ -64,7 +69,7 @@ export class UpsHandler {
     try {
       await this.nupst.getDaemon().loadConfig();
       config = this.nupst.getDaemon().getConfig();
-      
+
       // Convert old format to new format if needed
       if (!config.upsDevices) {
         // Initialize with the current config as the first UPS
@@ -72,12 +77,12 @@ export class UpsHandler {
           checkInterval: config.checkInterval,
           upsDevices: [{
             id: 'default',
-            name: 'Default UPS',
-            snmp: config.snmp,
-            thresholds: config.thresholds,
-            groups: []
+        name: 'Default UPS',
+        snmp: config.snmp,
+        groups: [],
+        actions: [],
           }],
-          groups: []
+          groups: [],
         };
         logger.log('Converting existing configuration to multi-UPS format.');
       }
@@ -86,7 +91,7 @@ export class UpsHandler {
       config = {
         checkInterval: 30000, // Default check interval
         upsDevices: [],
-        groups: []
+        groups: [],
       };
       logger.log('No existing configuration found. Creating a new configuration.');
     }
@@ -105,21 +110,19 @@ export class UpsHandler {
         community: 'public',
         version: 1,
         timeout: 5000,
-        upsModel: 'cyberpower'
+        upsModel: 'cyberpower' as TUpsModel,
       },
       thresholds: {
         battery: 60,
-        runtime: 20
+        runtime: 20,
       },
-      groups: []
+      groups: [],
+      actions: [],
     };
 
     // Gather SNMP settings
     await this.gatherSnmpSettings(newUps.snmp, prompt);
 
-    // Gather threshold settings
-    await this.gatherThresholdSettings(newUps.thresholds, prompt);
-
     // Gather UPS model settings
     await this.gatherUpsModelSettings(newUps.snmp, prompt);
 
@@ -131,20 +134,23 @@ export class UpsHandler {
       await groupHandler.assignUpsToGroups(newUps, config.groups, prompt);
     }
 
+// Gather action settings
+    await this.gatherActionSettings(newUps.actions, prompt);
+
     // Add the new UPS to the config
     config.upsDevices.push(newUps);
 
     // Save the configuration
-    await this.nupst.getDaemon().saveConfig(config);
+    await this.nupst.getDaemon().saveConfig(config as INupstConfig);
 
     this.displayUpsConfigSummary(newUps);
 
     // Test the connection if requested
     await this.optionallyTestConnection(newUps.snmp, prompt);
-    
+
     // Check if service is running and restart it if needed
     await this.restartServiceIfRunning();
-    
+
     logger.log('\nSetup complete!');
   }
 
@@ -155,7 +161,7 @@ export class UpsHandler {
   public async edit(upsId?: string): Promise<void> {
     try {
       // Import readline module for user input
-      const readline = await import('readline');
+      const readline = await import('node:readline');
 
       const rl = readline.createInterface({
         input: process.stdin,
@@ -175,9 +181,10 @@ export class UpsHandler {
         await this.runEditProcess(upsId, prompt);
       } finally {
         rl.close();
+        process.stdin.destroy();
       }
     } catch (error) {
-      logger.error(`Edit UPS error: ${error.message}`);
+      logger.error(`Edit UPS error: ${error instanceof Error ? error.message : String(error)}`);
     }
   }
 
@@ -186,10 +193,13 @@ export class UpsHandler {
    * @param upsId ID of the UPS to edit (undefined for default UPS)
    * @param prompt Function to prompt for user input
    */
-  public async runEditProcess(upsId: string | undefined, prompt: (question: string) => Promise<string>): Promise<void> {
+  public async runEditProcess(
+    upsId: string | undefined,
+    prompt: (question: string) => Promise<string>,
+  ): Promise<void> {
     logger.log('\nNUPST Edit UPS');
     logger.log('=============\n');
-    
+
     // Try to load existing config
     try {
       await this.nupst.getDaemon().loadConfig();
@@ -205,29 +215,33 @@ export class UpsHandler {
         return;
       }
     }
-    
+
     // Get the config
     const config = this.nupst.getDaemon().getConfig();
-    
+
     // Convert old format to new format if needed
     if (!config.upsDevices) {
       // Initialize with the current config as the first UPS
+      if (!config.snmp) {
+        logger.error('Legacy configuration is missing required SNMP settings');
+        return;
+      }
       config.upsDevices = [{
         id: 'default',
         name: 'Default UPS',
         snmp: config.snmp,
-        thresholds: config.thresholds,
-        groups: []
+        groups: [],
+        actions: [],
       }];
       config.groups = [];
       logger.log('Converting existing configuration to multi-UPS format.');
     }
-    
+
     // Find the UPS to edit
     let upsToEdit;
     if (upsId) {
       // Find specific UPS by ID
-      upsToEdit = config.upsDevices.find(ups => ups.id === upsId);
+      upsToEdit = config.upsDevices.find((ups) => ups.id === upsId);
       if (!upsToEdit) {
         logger.error(`UPS with ID "${upsId}" not found.`);
         return;
@@ -242,41 +256,46 @@ export class UpsHandler {
       upsToEdit = config.upsDevices[0];
       logger.log(`Editing default UPS: ${upsToEdit.name} (${upsToEdit.id})\n`);
     }
-    
+
     // Allow editing UPS name
     const newName = await prompt(`UPS Name [${upsToEdit.name}]: `);
     if (newName.trim()) {
       upsToEdit.name = newName;
     }
-    
+
     // Edit SNMP settings
     await this.gatherSnmpSettings(upsToEdit.snmp, prompt);
-    
-    // Edit threshold settings
-    await this.gatherThresholdSettings(upsToEdit.thresholds, prompt);
-    
+
     // Edit UPS model settings
     await this.gatherUpsModelSettings(upsToEdit.snmp, prompt);
-    
+
     // Get access to GroupHandler for group assignments
     const groupHandler = this.nupst.getGroupHandler();
-    
+
     // Edit group assignments
     if (config.groups && config.groups.length > 0) {
       await groupHandler.assignUpsToGroups(upsToEdit, config.groups, prompt);
     }
-    
+
+    // Initialize actions array if not exists
+    if (!upsToEdit.actions) {
+      upsToEdit.actions = [];
+    }
+
+    // Edit action settings
+    await this.gatherActionSettings(upsToEdit.actions, prompt);
+
     // Save the configuration
     await this.nupst.getDaemon().saveConfig(config);
-    
+
     this.displayUpsConfigSummary(upsToEdit);
-    
+
     // Test the connection if requested
     await this.optionallyTestConnection(upsToEdit.snmp, prompt);
-    
+
     // Check if service is running and restart it if needed
     await this.restartServiceIfRunning();
-    
+
     logger.log('\nEdit complete!');
   }
 
@@ -284,7 +303,7 @@ export class UpsHandler {
    * Delete a UPS by ID
    * @param upsId ID of the UPS to delete
    */
-  public async delete(upsId: string): Promise<void> {
+  public async remove(upsId: string): Promise<void> {
     try {
       // Try to load configuration
       try {
@@ -297,58 +316,64 @@ export class UpsHandler {
         logger.logBoxEnd();
         return;
       }
-      
+
       // Get current configuration
       const config = this.nupst.getDaemon().getConfig();
-      
+
       // Check if multi-UPS config
       if (!config.upsDevices || !Array.isArray(config.upsDevices)) {
         logger.error('Legacy single-UPS configuration detected. Cannot delete UPS.');
         logger.log('Use "nupst add" to migrate to multi-UPS configuration format first.');
         return;
       }
-      
+
       // Find the UPS to delete
-      const upsIndex = config.upsDevices.findIndex(ups => ups.id === upsId);
+      const upsIndex = config.upsDevices.findIndex((ups) => ups.id === upsId);
       if (upsIndex === -1) {
         logger.error(`UPS with ID "${upsId}" not found.`);
         return;
       }
-      
+
       const upsToDelete = config.upsDevices[upsIndex];
-      
+
       // Get confirmation before deleting
-      const readline = await import('readline');
+      const readline = await import('node:readline');
       const rl = readline.createInterface({
         input: process.stdin,
         output: process.stdout,
       });
-      
-      const confirm = await new Promise<string>(resolve => {
-        rl.question(`Are you sure you want to delete UPS "${upsToDelete.name}" (${upsId})? [y/N]: `, answer => {
-          resolve(answer.toLowerCase());
-        });
+
+      const confirm = await new Promise<string>((resolve) => {
+        rl.question(
+          `Are you sure you want to delete UPS "${upsToDelete.name}" (${upsId})? [y/N]: `,
+          (answer) => {
+            resolve(answer.toLowerCase());
+          },
+        );
       });
-      
+
       rl.close();
-      
+      process.stdin.destroy();
+
       if (confirm !== 'y' && confirm !== 'yes') {
         logger.log('Deletion cancelled.');
         return;
       }
-      
+
       // Remove the UPS from the array
       config.upsDevices.splice(upsIndex, 1);
-      
+
       // Save the configuration
       await this.nupst.getDaemon().saveConfig(config);
-      
+
       logger.log(`UPS "${upsToDelete.name}" (${upsId}) has been deleted.`);
-      
+
       // Check if service is running and restart it if needed
       await this.restartServiceIfRunning();
     } catch (error) {
-      logger.error(`Failed to delete UPS: ${error.message}`);
+      logger.error(
+        `Failed to delete UPS: ${error instanceof Error ? error.message : String(error)}`,
+      );
     }
   }
 
@@ -361,62 +386,73 @@ export class UpsHandler {
       try {
         await this.nupst.getDaemon().loadConfig();
       } catch (error) {
-        const errorBoxWidth = 45;
-        logger.logBoxTitle('Configuration Error', errorBoxWidth);
-        logger.logBoxLine('No configuration found.');
-        logger.logBoxLine("Please run 'nupst setup' first to create a configuration.");
-        logger.logBoxEnd();
+        logger.logBox('Configuration Error', [
+          'No configuration found.',
+          "Please run 'nupst ups add' first to create a configuration.",
+        ], 50, 'error');
         return;
       }
-      
+
       // Get current configuration
       const config = this.nupst.getDaemon().getConfig();
-      
+
       // Check if multi-UPS config
       if (!config.upsDevices || !Array.isArray(config.upsDevices)) {
         // Legacy single UPS configuration
-        const boxWidth = 45;
-        logger.logBoxTitle('UPS Devices', boxWidth);
-        logger.logBoxLine('Legacy single-UPS configuration detected.');
-        logger.logBoxLine('');
-        logger.logBoxLine('Default UPS:');
-        logger.logBoxLine(`  Host: ${config.snmp.host}:${config.snmp.port}`);
-        logger.logBoxLine(`  Model: ${config.snmp.upsModel || 'cyberpower'}`);
-        logger.logBoxLine(`  Thresholds: ${config.thresholds.battery}% battery, ${config.thresholds.runtime} min runtime`);
-        logger.logBoxLine('');
-        logger.logBoxLine('Use "nupst add" to add more UPS devices and migrate');
-        logger.logBoxLine('to the multi-UPS configuration format.');
-        logger.logBoxEnd();
+        logger.logBox('UPS Devices', [
+          'Legacy single-UPS configuration detected.',
+          '',
+          ...(!config.snmp 
+            ? ['Error: Configuration missing SNMP settings']
+            : [
+                'Default UPS:',
+                `  Host: ${config.snmp.host}:${config.snmp.port}`,
+                `  Model: ${config.snmp.upsModel || 'cyberpower'}`,
+                '',
+                'Use "nupst ups add" to add more UPS devices and migrate',
+                'to the multi-UPS configuration format.',
+              ]
+          ),
+        ], 60, 'warning');
         return;
       }
-      
-      // Display UPS list
-      const boxWidth = 60;
-      logger.logBoxTitle('UPS Devices', boxWidth);
-      
+
+      // Display UPS list with modern table
       if (config.upsDevices.length === 0) {
-        logger.logBoxLine('No UPS devices configured.');
-        logger.logBoxLine('Use "nupst add" to add a UPS device.');
-      } else {
-        logger.logBoxLine(`Found ${config.upsDevices.length} UPS device(s)`);
-        logger.logBoxLine('');
-        logger.logBoxLine('ID         | Name                 | Host           | Mode         | Groups');
-        logger.logBoxLine('-----------+----------------------+----------------+--------------+----------------');
-        
-        for (const ups of config.upsDevices) {
-          const id = ups.id.padEnd(10, ' ').substring(0, 10);
-          const name = (ups.name || '').padEnd(20, ' ').substring(0, 20);
-          const host = `${ups.snmp.host}:${ups.snmp.port}`.padEnd(15, ' ').substring(0, 15);
-          const model = (ups.snmp.upsModel || 'cyberpower').padEnd(12, ' ').substring(0, 12);
-          const groups = ups.groups.length > 0 ? ups.groups.join(', ') : 'None';
-          
-          logger.logBoxLine(`${id} | ${name} | ${host} | ${model} | ${groups}`);
-        }
+        logger.logBox('UPS Devices', [
+          'No UPS devices configured.',
+          '',
+          `${theme.dim('Run')} ${theme.command('nupst ups add')} ${theme.dim('to add a device')}`,
+        ], 60, 'info');
+        return;
       }
-      
-      logger.logBoxEnd();
+
+      // Prepare table data
+      const rows = config.upsDevices.map((ups) => ({
+        id: ups.id,
+        name: ups.name || '',
+        host: `${ups.snmp.host}:${ups.snmp.port}`,
+        model: ups.snmp.upsModel || 'cyberpower',
+        groups: ups.groups.length > 0 ? ups.groups.join(', ') : theme.dim('None'),
+      }));
+
+      const columns: ITableColumn[] = [
+        { header: 'ID', key: 'id', align: 'left', color: theme.highlight },
+        { header: 'Name', key: 'name', align: 'left' },
+        { header: 'Host:Port', key: 'host', align: 'left', color: theme.info },
+        { header: 'Model', key: 'model', align: 'left' },
+        { header: 'Groups', key: 'groups', align: 'left' },
+      ];
+
+      logger.log('');
+      logger.info(`UPS Devices (${config.upsDevices.length}):`);
+      logger.log('');
+      logger.logTable(columns, rows);
+      logger.log('');
     } catch (error) {
-      logger.error(`Failed to list UPS devices: ${error.message}`);
+      logger.error(
+        `Failed to list UPS devices: ${error instanceof Error ? error.message : String(error)}`,
+      );
     }
   }
 
@@ -452,7 +488,7 @@ export class UpsHandler {
       // Handle new multi-UPS configuration format
       if (config.upsDevices && config.upsDevices.length > 0) {
         logger.log(`Found ${config.upsDevices.length} UPS devices in configuration.`);
-        
+
         for (let i = 0; i < config.upsDevices.length; i++) {
           const ups = config.upsDevices[i];
           logger.log(`\nTesting UPS: ${ups.name} (${ups.id})`);
@@ -465,7 +501,7 @@ export class UpsHandler {
         await this.testConnection(config);
       }
     } catch (error) {
-      logger.error(`Test failed: ${error.message}`);
+      logger.error(`Test failed: ${error instanceof Error ? error.message : String(error)}`);
     }
   }
 
@@ -475,15 +511,14 @@ export class UpsHandler {
    */
   private displayTestConfig(config: any): void {
     // Check if this is a UPS device or full configuration
-    const isUpsConfig = config.snmp && config.thresholds;
+    const isUpsConfig = config.snmp;
     const snmpConfig = isUpsConfig ? config.snmp : config.snmp || {};
-    const thresholds = isUpsConfig ? config.thresholds : config.thresholds || {};
     const checkInterval = config.checkInterval || 30000;
-    
+
     // Get UPS name and ID if available
     const upsName = config.name ? config.name : 'Default UPS';
     const upsId = config.id ? config.id : 'default';
-    
+
     const boxWidth = 45;
     logger.logBoxTitle(`Testing Configuration: ${upsName}`, boxWidth);
     logger.logBoxLine(`UPS ID: ${upsId}`);
@@ -516,18 +551,18 @@ export class UpsHandler {
     if (snmpConfig.upsModel === 'custom' && snmpConfig.customOIDs) {
       logger.logBoxLine('Custom OIDs:');
       logger.logBoxLine(`  Power Status: ${snmpConfig.customOIDs.POWER_STATUS || 'Not set'}`);
-      logger.logBoxLine(`  Battery Capacity: ${snmpConfig.customOIDs.BATTERY_CAPACITY || 'Not set'}`);
+      logger.logBoxLine(
+        `  Battery Capacity: ${snmpConfig.customOIDs.BATTERY_CAPACITY || 'Not set'}`,
+      );
       logger.logBoxLine(`  Battery Runtime: ${snmpConfig.customOIDs.BATTERY_RUNTIME || 'Not set'}`);
     }
-    logger.logBoxLine('Thresholds:');
-    logger.logBoxLine(`  Battery: ${thresholds.battery}%`);
-    logger.logBoxLine(`  Runtime: ${thresholds.runtime} minutes`);
-    
     // Show group assignments if this is a UPS config
     if (config.groups && Array.isArray(config.groups)) {
-      logger.logBoxLine(`Group Assignments: ${config.groups.length === 0 ? 'None' : config.groups.join(', ')}`);
+      logger.logBoxLine(
+        `Group Assignments: ${config.groups.length === 0 ? 'None' : config.groups.join(', ')}`,
+      );
     }
-    
+
     logger.logBoxLine(`Check Interval: ${checkInterval / 1000} seconds`);
     logger.logBoxEnd();
   }
@@ -540,12 +575,11 @@ export class UpsHandler {
     const upsId = config.id || 'default';
     const upsName = config.name || 'Default UPS';
     logger.log(`\nTesting connection to UPS: ${upsName} (${upsId})...`);
-    
+
     try {
       // Create a test config with a short timeout
       const snmpConfig = config.snmp ? config.snmp : config.snmp;
-      const thresholds = config.thresholds ? config.thresholds : config.thresholds;
-      
+
       const testConfig = {
         ...snmpConfig,
         timeout: Math.min(snmpConfig.timeout, 10000), // Use at most 10 seconds for testing
@@ -561,14 +595,11 @@ export class UpsHandler {
       logger.logBoxLine(`  Runtime Remaining: ${status.batteryRuntime} minutes`);
       logger.logBoxEnd();
 
-      // Check status against thresholds if on battery
-      if (status.powerStatus === 'onBattery') {
-        this.analyzeThresholds(status, thresholds);
-      }
+      
     } catch (error) {
       const errorBoxWidth = 45;
       logger.logBoxTitle(`Connection Failed: ${upsName}`, errorBoxWidth);
-      logger.logBoxLine(`Error: ${error.message}`);
+      logger.logBoxLine(`Error: ${error instanceof Error ? error.message : String(error)}`);
       logger.logBoxEnd();
       logger.log("\nPlease check your settings and run 'nupst edit' to reconfigure this UPS.");
     }
@@ -586,26 +617,26 @@ export class UpsHandler {
     if (status.batteryCapacity < thresholds.battery) {
       logger.logBoxLine('⚠️ WARNING: Battery capacity below threshold');
       logger.logBoxLine(
-        `  Current: ${status.batteryCapacity}% | Threshold: ${thresholds.battery}%`
+        `  Current: ${status.batteryCapacity}% | Threshold: ${thresholds.battery}%`,
       );
       logger.logBoxLine('  System would initiate shutdown');
     } else {
       logger.logBoxLine('✓ Battery capacity above threshold');
       logger.logBoxLine(
-        `  Current: ${status.batteryCapacity}% | Threshold: ${thresholds.battery}%`
+        `  Current: ${status.batteryCapacity}% | Threshold: ${thresholds.battery}%`,
       );
     }
 
     if (status.batteryRuntime < thresholds.runtime) {
       logger.logBoxLine('⚠️ WARNING: Runtime below threshold');
       logger.logBoxLine(
-        `  Current: ${status.batteryRuntime} min | Threshold: ${thresholds.runtime} min`
+        `  Current: ${status.batteryRuntime} min | Threshold: ${thresholds.runtime} min`,
       );
       logger.logBoxLine('  System would initiate shutdown');
     } else {
       logger.logBoxLine('✓ Runtime above threshold');
       logger.logBoxLine(
-        `  Current: ${status.batteryRuntime} min | Threshold: ${thresholds.runtime} min`
+        `  Current: ${status.batteryRuntime} min | Threshold: ${thresholds.runtime} min`,
       );
     }
 
@@ -619,7 +650,7 @@ export class UpsHandler {
    */
   private async gatherSnmpSettings(
     snmpConfig: any,
-    prompt: (question: string) => Promise<string>
+    prompt: (question: string) => Promise<string>,
   ): Promise<void> {
     // SNMP IP Address
     const defaultHost = snmpConfig.host || '127.0.0.1';
@@ -634,16 +665,16 @@ export class UpsHandler {
 
     // SNMP Version
     const defaultVersion = snmpConfig.version || 1;
-    console.log('\nSNMP Version:');
-    console.log('  1) SNMPv1');
-    console.log('  2) SNMPv2c');
-    console.log('  3) SNMPv3 (with security features)');
+    logger.log('');
+    logger.info('SNMP Version:');
+    logger.dim('  1) SNMPv1');
+    logger.dim('  2) SNMPv2c');
+    logger.dim('  3) SNMPv3 (with security features)');
     const versionInput = await prompt(`Select SNMP version [${defaultVersion}]: `);
     const version = parseInt(versionInput, 10);
-    snmpConfig.version =
-      versionInput.trim() && (version === 1 || version === 2 || version === 3)
-        ? version
-        : defaultVersion;
+    snmpConfig.version = versionInput.trim() && (version === 1 || version === 2 || version === 3)
+      ? version
+      : defaultVersion;
 
     if (snmpConfig.version === 1 || snmpConfig.version === 2) {
       // SNMP Community String (for v1/v2c)
@@ -663,15 +694,17 @@ export class UpsHandler {
    */
   private async gatherSnmpV3Settings(
     snmpConfig: any,
-    prompt: (question: string) => Promise<string>
+    prompt: (question: string) => Promise<string>,
   ): Promise<void> {
-    console.log('\nSNMPv3 Security Settings:');
+    logger.log('');
+    logger.info('SNMPv3 Security Settings:');
 
     // Security Level
-    console.log('\nSecurity Level:');
-    console.log('  1) noAuthNoPriv (No Authentication, No Privacy)');
-    console.log('  2) authNoPriv (Authentication, No Privacy)');
-    console.log('  3) authPriv (Authentication and Privacy)');
+    logger.log('');
+    logger.info('Security Level:');
+    logger.dim('  1) noAuthNoPriv (No Authentication, No Privacy)');
+    logger.dim('  2) authNoPriv (Authentication, No Privacy)');
+    logger.dim('  3) authPriv (Authentication and Privacy)');
     const defaultSecLevel = snmpConfig.securityLevel
       ? snmpConfig.securityLevel === 'noAuthNoPriv'
         ? 1
@@ -720,8 +753,9 @@ export class UpsHandler {
 
       // Allow customizing the timeout value
       const defaultTimeout = snmpConfig.timeout / 1000; // Convert from ms to seconds for display
-      console.log(
-        '\nSNMPv3 operations with authentication and privacy may require longer timeouts.'
+      logger.log('');
+      logger.info(
+        'SNMPv3 operations with authentication and privacy may require longer timeouts.',
       );
       const timeoutInput = await prompt(`SNMP Timeout in seconds [${defaultTimeout}]: `);
       const timeout = parseInt(timeoutInput, 10);
@@ -738,15 +772,16 @@ export class UpsHandler {
    */
   private async gatherAuthenticationSettings(
     snmpConfig: any,
-    prompt: (question: string) => Promise<string>
+    prompt: (question: string) => Promise<string>,
   ): Promise<void> {
     // Authentication protocol
-    console.log('\nAuthentication Protocol:');
-    console.log('  1) MD5');
-    console.log('  2) SHA');
+    logger.log('');
+    logger.info('Authentication Protocol:');
+    logger.dim('  1) MD5');
+    logger.dim('  2) SHA');
     const defaultAuthProtocol = snmpConfig.authProtocol === 'SHA' ? 2 : 1;
     const authProtocolInput = await prompt(
-      `Select Authentication Protocol [${defaultAuthProtocol}]: `
+      `Select Authentication Protocol [${defaultAuthProtocol}]: `,
     );
     const authProtocol = parseInt(authProtocolInput, 10) || defaultAuthProtocol;
     snmpConfig.authProtocol = authProtocol === 2 ? 'SHA' : 'MD5';
@@ -764,12 +799,13 @@ export class UpsHandler {
    */
   private async gatherPrivacySettings(
     snmpConfig: any,
-    prompt: (question: string) => Promise<string>
+    prompt: (question: string) => Promise<string>,
   ): Promise<void> {
     // Privacy protocol
-    console.log('\nPrivacy Protocol:');
-    console.log('  1) DES');
-    console.log('  2) AES');
+    logger.log('');
+    logger.info('Privacy Protocol:');
+    logger.dim('  1) DES');
+    logger.dim('  2) AES');
     const defaultPrivProtocol = snmpConfig.privProtocol === 'AES' ? 2 : 1;
     const privProtocolInput = await prompt(`Select Privacy Protocol [${defaultPrivProtocol}]: `);
     const privProtocol = parseInt(privProtocolInput, 10) || defaultPrivProtocol;
@@ -781,40 +817,6 @@ export class UpsHandler {
     snmpConfig.privKey = privKey.trim() || defaultPrivKey;
   }
 
-  /**
-   * Gather threshold settings
-   * @param thresholds Thresholds configuration object to update
-   * @param prompt Function to prompt for user input
-   */
-  private async gatherThresholdSettings(
-    thresholds: any,
-    prompt: (question: string) => Promise<string>
-  ): Promise<void> {
-    console.log('\nShutdown Thresholds:');
-
-    // Battery threshold
-    const defaultBatteryThreshold = thresholds.battery || 60;
-    const batteryThresholdInput = await prompt(
-      `Battery percentage threshold [${defaultBatteryThreshold}%]: `
-    );
-    const batteryThreshold = parseInt(batteryThresholdInput, 10);
-    thresholds.battery =
-      batteryThresholdInput.trim() && !isNaN(batteryThreshold)
-        ? batteryThreshold
-        : defaultBatteryThreshold;
-
-    // Runtime threshold
-    const defaultRuntimeThreshold = thresholds.runtime || 20;
-    const runtimeThresholdInput = await prompt(
-      `Runtime minutes threshold [${defaultRuntimeThreshold} minutes]: `
-    );
-    const runtimeThreshold = parseInt(runtimeThresholdInput, 10);
-    thresholds.runtime =
-      runtimeThresholdInput.trim() && !isNaN(runtimeThreshold)
-        ? runtimeThreshold
-        : defaultRuntimeThreshold;
-  }
-
   /**
    * Gather UPS model settings
    * @param snmpConfig SNMP configuration object to update
@@ -822,30 +824,30 @@ export class UpsHandler {
    */
   private async gatherUpsModelSettings(
     snmpConfig: any,
-    prompt: (question: string) => Promise<string>
+    prompt: (question: string) => Promise<string>,
   ): Promise<void> {
-    console.log('\nUPS Model Selection:');
-    console.log('  1) CyberPower');
-    console.log('  2) APC');
-    console.log('  3) Eaton');
-    console.log('  4) TrippLite');
-    console.log('  5) Liebert/Vertiv');
-    console.log('  6) Custom (Advanced)');
+    logger.log('');
+    logger.info('UPS Model Selection:');
+    logger.dim('  1) CyberPower');
+    logger.dim('  2) APC');
+    logger.dim('  3) Eaton');
+    logger.dim('  4) TrippLite');
+    logger.dim('  5) Liebert/Vertiv');
+    logger.dim('  6) Custom (Advanced)');
 
-    const defaultModelValue =
-      snmpConfig.upsModel === 'cyberpower'
-        ? 1
-        : snmpConfig.upsModel === 'apc'
-        ? 2
-        : snmpConfig.upsModel === 'eaton'
-        ? 3
-        : snmpConfig.upsModel === 'tripplite'
-        ? 4
-        : snmpConfig.upsModel === 'liebert'
-        ? 5
-        : snmpConfig.upsModel === 'custom'
-        ? 6
-        : 1;
+    const defaultModelValue = snmpConfig.upsModel === 'cyberpower'
+      ? 1
+      : snmpConfig.upsModel === 'apc'
+      ? 2
+      : snmpConfig.upsModel === 'eaton'
+      ? 3
+      : snmpConfig.upsModel === 'tripplite'
+      ? 4
+      : snmpConfig.upsModel === 'liebert'
+      ? 5
+      : snmpConfig.upsModel === 'custom'
+      ? 6
+      : 1;
 
     const modelInput = await prompt(`Select UPS model [${defaultModelValue}]: `);
     const modelValue = parseInt(modelInput, 10) || defaultModelValue;
@@ -862,8 +864,9 @@ export class UpsHandler {
       snmpConfig.upsModel = 'liebert';
     } else if (modelValue === 6) {
       snmpConfig.upsModel = 'custom';
-      console.log('\nEnter custom OIDs for your UPS:');
-      console.log('(Leave blank to use standard RFC 1628 OIDs as fallback)');
+      logger.log('');
+      logger.info('Enter custom OIDs for your UPS:');
+      logger.dim('(Leave blank to use standard RFC 1628 OIDs as fallback)');
 
       // Custom OIDs
       const powerStatusOID = await prompt('Power Status OID: ');
@@ -879,6 +882,151 @@ export class UpsHandler {
     }
   }
 
+  /**
+   * Gather action configuration settings
+   * @param actions Actions array to configure
+   * @param prompt Function to prompt for user input
+   */
+  private async gatherActionSettings(
+    actions: any[],
+    prompt: (question: string) => Promise<string>,
+  ): Promise<void> {
+    logger.log('');
+    logger.info('Action Configuration (Optional):');
+    logger.dim('Actions are triggered on power status changes and threshold violations.');
+    logger.dim('Leave empty to use default shutdown behavior on threshold violations.');
+
+    const configureActions = await prompt('Configure custom actions? (y/N): ');
+    if (configureActions.toLowerCase() !== 'y') {
+      return; // Keep existing actions or use default
+    }
+
+    // Clear existing actions
+    actions.length = 0;
+
+    let addMore = true;
+    while (addMore) {
+      logger.log('');
+      logger.info('Action Type:');
+      logger.dim('  1) Shutdown (system shutdown)');
+      logger.dim('  2) Webhook (HTTP notification)');
+      logger.dim('  3) Custom Script (run .sh file from /etc/nupst)');
+
+      const typeInput = await prompt('Select action type [1]: ');
+      const typeValue = parseInt(typeInput, 10) || 1;
+
+      const action: any = {};
+
+      if (typeValue === 1) {
+        // Shutdown action
+        action.type = 'shutdown';
+
+        const delayInput = await prompt('Shutdown delay in minutes [5]: ');
+        const delay = parseInt(delayInput, 10);
+        if (delayInput.trim() && !isNaN(delay)) {
+          action.shutdownDelay = delay;
+        }
+      } else if (typeValue === 2) {
+        // Webhook action
+        action.type = 'webhook';
+
+        const url = await prompt('Webhook URL: ');
+        if (!url.trim()) {
+          logger.warn('Webhook URL required, skipping action');
+          continue;
+        }
+        action.webhookUrl = url.trim();
+
+        logger.log('');
+        logger.info('HTTP Method:');
+        logger.dim('  1) POST (JSON body)');
+        logger.dim('  2) GET (query parameters)');
+        const methodInput = await prompt('Select method [1]: ');
+        action.webhookMethod = methodInput === '2' ? 'GET' : 'POST';
+
+        const timeoutInput = await prompt('Timeout in seconds [10]: ');
+        const timeout = parseInt(timeoutInput, 10);
+        if (timeoutInput.trim() && !isNaN(timeout)) {
+          action.webhookTimeout = timeout * 1000; // Convert to ms
+        }
+      } else if (typeValue === 3) {
+        // Script action
+        action.type = 'script';
+
+        const scriptPath = await prompt('Script filename (in /etc/nupst/, must end with .sh): ');
+        if (!scriptPath.trim() || !scriptPath.trim().endsWith('.sh')) {
+          logger.warn('Script path must end with .sh, skipping action');
+          continue;
+        }
+        action.scriptPath = scriptPath.trim();
+
+        const timeoutInput = await prompt('Script timeout in seconds [60]: ');
+        const timeout = parseInt(timeoutInput, 10);
+        if (timeoutInput.trim() && !isNaN(timeout)) {
+          action.scriptTimeout = timeout * 1000; // Convert to ms
+        }
+      } else {
+        logger.warn('Invalid action type, skipping');
+        continue;
+      }
+
+      // Configure trigger mode (applies to all action types)
+      logger.log('');
+      logger.info('Trigger Mode:');
+      logger.dim('  1) Power changes + thresholds (default)');
+      logger.dim('  2) Only power status changes');
+      logger.dim('  3) Only threshold violations');
+      logger.dim('  4) Any change (every ~30s check)');
+      const triggerInput = await prompt('Select trigger mode [1]: ');
+      const triggerValue = parseInt(triggerInput, 10) || 1;
+      
+      switch (triggerValue) {
+        case 2:
+          action.triggerMode = 'onlyPowerChanges';
+          break;
+        case 3:
+          action.triggerMode = 'onlyThresholds';
+          break;
+        case 4:
+          action.triggerMode = 'anyChange';
+          break;
+        default:
+          action.triggerMode = 'powerChangesAndThresholds';
+      }
+
+      // Configure thresholds if needed for onlyThresholds or powerChangesAndThresholds modes
+      if (action.triggerMode === 'onlyThresholds' || action.triggerMode === 'powerChangesAndThresholds') {
+        logger.log('');
+        logger.info('Action Thresholds:');
+        logger.dim('Action will trigger when battery or runtime falls below these values (while on battery)');
+        
+        const batteryInput = await prompt('Battery threshold percentage [60]: ');
+        const battery = parseInt(batteryInput, 10);
+        const batteryThreshold = (batteryInput.trim() && !isNaN(battery)) ? battery : 60;
+
+        const runtimeInput = await prompt('Runtime threshold in minutes [20]: ');
+        const runtime = parseInt(runtimeInput, 10);
+        const runtimeThreshold = (runtimeInput.trim() && !isNaN(runtime)) ? runtime : 20;
+
+        action.thresholds = {
+          battery: batteryThreshold,
+          runtime: runtimeThreshold,
+        };
+      }
+
+      actions.push(action);
+      logger.success(`${action.type.charAt(0).toUpperCase() + action.type.slice(1)} action added (mode: ${action.triggerMode || 'powerChangesAndThresholds'})`);
+
+      const more = await prompt('Add another action? (y/N): ');
+      addMore = more.toLowerCase() === 'y';
+    }
+
+    if (actions.length > 0) {
+      logger.log('');
+      logger.success(`${actions.length} action(s) configured`);
+    }
+  }
+
   /**
    * Display UPS configuration summary
    * @param ups UPS configuration
@@ -891,9 +1039,7 @@ export class UpsHandler {
     logger.logBoxLine(`SNMP Host: ${ups.snmp.host}:${ups.snmp.port}`);
     logger.logBoxLine(`SNMP Version: ${ups.snmp.version}`);
     logger.logBoxLine(`UPS Model: ${ups.snmp.upsModel}`);
-    logger.logBoxLine(
-      `Thresholds: ${ups.thresholds.battery}% battery, ${ups.thresholds.runtime} min runtime`
-    );
+    
     if (ups.groups && ups.groups.length > 0) {
       logger.logBoxLine(`Groups: ${ups.groups.join(', ')}`);
     } else {
@@ -910,10 +1056,10 @@ export class UpsHandler {
    */
   private async optionallyTestConnection(
     snmpConfig: any,
-    prompt: (question: string) => Promise<string>
+    prompt: (question: string) => Promise<string>,
   ): Promise<void> {
     const testConnection = await prompt(
-      'Would you like to test the connection to your UPS? (y/N): '
+      'Would you like to test the connection to your UPS? (y/N): ',
     );
     if (testConnection.toLowerCase() === 'y') {
       logger.log('\nTesting connection to UPS...');
@@ -937,7 +1083,7 @@ export class UpsHandler {
         const errorBoxWidth = 45;
         logger.log('');
         logger.logBoxTitle('Connection Failed!', errorBoxWidth);
-        logger.logBoxLine(`Error: ${error.message}`);
+        logger.logBoxLine(`Error: ${error instanceof Error ? error.message : String(error)}`);
         logger.logBoxEnd();
         logger.log('\nPlease check your settings and try again.');
       }
@@ -948,7 +1094,7 @@ export class UpsHandler {
    * Check if the systemd service is running and restart it if it is
    * This is useful after configuration changes
    */
-  public async restartServiceIfRunning(): Promise<void> {
+  public restartServiceIfRunning(): void {
     try {
       // Check if the service is active
       const isActive =
@@ -972,7 +1118,9 @@ export class UpsHandler {
             logger.logBoxLine('  sudo systemctl restart nupst.service');
           }
         } catch (error) {
-          logger.logBoxLine(`Error restarting service: ${error.message}`);
+          logger.logBoxLine(
+            `Error restarting service: ${error instanceof Error ? error.message : String(error)}`,
+          );
           logger.logBoxLine('You may need to restart the service manually:');
           logger.logBoxLine('  sudo systemctl restart nupst.service');
         }
@@ -983,4 +1131,4 @@ export class UpsHandler {
       // Ignore errors checking service status
     }
   }
-}
+}

ts/colors.ts

@@ -0,0 +1,88 @@
+/**
+ * Color theme and styling utilities for NUPST CLI
+ * Uses Deno standard library colors module
+ */
+import * as colors from '@std/fmt/colors';
+
+/**
+ * Color theme for consistent CLI styling
+ */
+export const theme = {
+  // Message types
+  error: colors.red,
+  warning: colors.yellow,
+  success: colors.green,
+  info: colors.cyan,
+  dim: colors.dim,
+  highlight: colors.bold,
+
+  // Status indicators
+  statusActive: (text: string) => colors.green(colors.bold(text)),
+  statusInactive: (text: string) => colors.red(text),
+  statusWarning: (text: string) => colors.yellow(text),
+  statusUnknown: (text: string) => colors.dim(text),
+
+  // Battery level colors
+  batteryGood: colors.green, // > 60%
+  batteryMedium: colors.yellow, // 30-60%
+  batteryCritical: colors.red, // < 30%
+
+  // Box borders
+  borderSuccess: colors.green,
+  borderError: colors.red,
+  borderWarning: colors.yellow,
+  borderInfo: colors.cyan,
+  borderDefault: (text: string) => text, // No color
+
+  // Command/code highlighting
+  command: colors.cyan,
+  code: colors.dim,
+  path: colors.blue,
+};
+
+/**
+ * Status symbols with colors
+ */
+export const symbols = {
+  success: colors.green('✓'),
+  error: colors.red('✗'),
+  warning: colors.yellow('⚠'),
+  info: colors.cyan('ℹ'),
+  running: colors.green('●'),
+  stopped: colors.red('○'),
+  starting: colors.yellow('◐'),
+  unknown: colors.dim('◯'),
+};
+
+/**
+ * Get color for battery level
+ */
+export function getBatteryColor(percentage: number): (text: string) => string {
+  if (percentage >= 60) return theme.batteryGood;
+  if (percentage >= 30) return theme.batteryMedium;
+  return theme.batteryCritical;
+}
+
+/**
+ * Get color for runtime remaining
+ */
+export function getRuntimeColor(minutes: number): (text: string) => string {
+  if (minutes >= 20) return theme.batteryGood;
+  if (minutes >= 10) return theme.batteryMedium;
+  return theme.batteryCritical;
+}
+
+/**
+ * Format UPS power status with color
+ */
+export function formatPowerStatus(status: 'online' | 'onBattery' | 'unknown'): string {
+  switch (status) {
+    case 'online':
+      return theme.success('Online');
+    case 'onBattery':
+      return theme.warning('On Battery');
+    case 'unknown':
+    default:
+      return theme.dim('Unknown');
+  }
+}

ts/helpers/index.ts

@@ -1 +1 @@
-export * from './shortid.js';
+export * from './shortid.ts';

ts/helpers/shortid.ts

@@ -5,11 +5,11 @@
 export function shortId(): string {
   // Define the character set: a-z, A-Z, 0-9
   const chars = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789';
-  
+
   // Generate cryptographically secure random values
   const randomValues = new Uint8Array(6);
   crypto.getRandomValues(randomValues);
-  
+
   // Map each random value to a character in our set
   let result = '';
   for (let i = 0; i < 6; i++) {
@@ -17,6 +17,6 @@ export function shortId(): string {
     const index = randomValues[i] % chars.length;
     result += chars[index];
   }
-  
+
   return result;
-}
+}

ts/index.ts

@@ -1,7 +1,8 @@
 #!/usr/bin/env node
 
-import { NupstCli } from './cli.js';
-import { logger } from './logger.js';
+import { NupstCli } from './cli.ts';
+import { logger } from './logger.ts';
+import process from 'node:process';
 
 /**
  * Main entry point for NUPST
@@ -13,7 +14,7 @@ async function main() {
 }
 
 // Run the main function and handle any errors
-main().catch(error => {
+main().catch((error) => {
   logger.error(`Error: ${error}`);
   process.exit(1);
 });

ts/logger.ts

@@ -1,11 +1,40 @@
+import { theme, symbols } from './colors.ts';
+
+/**
+ * Table column alignment options
+ */
+export type TColumnAlign = 'left' | 'right' | 'center';
+
+/**
+ * Table column definition
+ */
+export interface ITableColumn {
+  /** Column header text */
+  header: string;
+  /** Column key in data object */
+  key: string;
+  /** Column alignment (default: left) */
+  align?: TColumnAlign;
+  /** Column width (auto-calculated if not specified) */
+  width?: number;
+  /** Color function to apply to cell values */
+  color?: (value: string) => string;
+}
+
+/**
+ * Box style types with colors
+ */
+export type TBoxStyle = 'default' | 'success' | 'error' | 'warning' | 'info';
+
 /**
  * A simple logger class that provides consistent formatting for log messages
  * including support for logboxes with title, lines, and closing
  */
 export class Logger {
   private currentBoxWidth: number | null = null;
+  private currentBoxStyle: TBoxStyle = 'default';
   private static instance: Logger;
-  
+
   /** Default width to use when no width is specified */
   private readonly DEFAULT_WIDTH = 60;
 
@@ -36,45 +65,92 @@ export class Logger {
   }
 
   /**
-   * Log an error message
+   * Log an error message (red with ✗ symbol)
    * @param message Error message to log
    */
   public error(message: string): void {
-    console.error(message);
+    console.error(`${symbols.error} ${theme.error(message)}`);
   }
 
   /**
-   * Log a warning message with a warning emoji
+   * Log a warning message (yellow with ⚠ symbol)
    * @param message Warning message to log
    */
   public warn(message: string): void {
-    console.warn(`⚠️ ${message}`);
+    console.warn(`${symbols.warning} ${theme.warning(message)}`);
   }
 
   /**
-   * Log a success message with a checkmark
+   * Log a success message (green with ✓ symbol)
    * @param message Success message to log
    */
   public success(message: string): void {
-    console.log(`✓ ${message}`);
+    console.log(`${symbols.success} ${theme.success(message)}`);
+  }
+
+  /**
+   * Log an info message (cyan with ℹ symbol)
+   * @param message Info message to log
+   */
+  public info(message: string): void {
+    console.log(`${symbols.info} ${theme.info(message)}`);
+  }
+
+  /**
+   * Log a dim/secondary message
+   * @param message Message to log in dim style
+   */
+  public dim(message: string): void {
+    console.log(theme.dim(message));
+  }
+
+  /**
+   * Log a highlighted/bold message
+   * @param message Message to highlight
+   */
+  public highlight(message: string): void {
+    console.log(theme.highlight(message));
+  }
+
+  /**
+   * Get color function for box based on style
+   */
+  private getBoxColor(style: TBoxStyle): (text: string) => string {
+    switch (style) {
+      case 'success':
+        return theme.borderSuccess;
+      case 'error':
+        return theme.borderError;
+      case 'warning':
+        return theme.borderWarning;
+      case 'info':
+        return theme.borderInfo;
+      case 'default':
+      default:
+        return theme.borderDefault;
+    }
   }
 
   /**
    * Log a logbox title and set the current box width
    * @param title Title of the logbox
    * @param width Width of the logbox (including borders), defaults to DEFAULT_WIDTH
+   * @param style Box style for coloring (default, success, error, warning, info)
    */
-  public logBoxTitle(title: string, width?: number): void {
+  public logBoxTitle(title: string, width?: number, style?: TBoxStyle): void {
     this.currentBoxWidth = width || this.DEFAULT_WIDTH;
-    
+    this.currentBoxStyle = style || 'default';
+
+    const colorFn = this.getBoxColor(this.currentBoxStyle);
+
     // Create the title line with appropriate padding
     const paddedTitle = ` ${title} `;
     const remainingSpace = this.currentBoxWidth - 3 - paddedTitle.length;
-    
+
     // Title line: ┌─ Title ───┐
     const titleLine = `┌─${paddedTitle}${'─'.repeat(Math.max(0, remainingSpace))}┐`;
-    
-    console.log(titleLine);
+
+    console.log(colorFn(titleLine));
   }
 
   /**
@@ -87,19 +163,23 @@ export class Logger {
       // No current width and no width provided, use default width
       this.logBoxTitle('', this.DEFAULT_WIDTH);
     }
-    
+
     const boxWidth = width || this.currentBoxWidth || this.DEFAULT_WIDTH;
-    
-    // Calculate the available space for content
+    const colorFn = this.getBoxColor(this.currentBoxStyle);
+
+    // Calculate the available space for content (use visible length)
     const availableSpace = boxWidth - 2; // Account for left and right borders
-    
-    if (content.length <= availableSpace - 1) {
+    const visibleLen = this.visibleLength(content);
+
+    if (visibleLen <= availableSpace - 1) {
       // If content fits with at least one space for the right border stripe
-      const padding = availableSpace - content.length - 1;
-      console.log(`│ ${content}${' '.repeat(padding)}│`);
+      const padding = availableSpace - visibleLen - 1;
+      const line = `│ ${content}${' '.repeat(padding)}│`;
+      console.log(colorFn(line));
     } else {
       // Content is too long, let it flow out of boundaries.
-      console.log(`│ ${content}`);
+      const line = `│ ${content}`;
+      console.log(colorFn(line));
     }
   }
 
@@ -109,12 +189,15 @@ export class Logger {
    */
   public logBoxEnd(width?: number): void {
     const boxWidth = width || this.currentBoxWidth || this.DEFAULT_WIDTH;
-    
+    const colorFn = this.getBoxColor(this.currentBoxStyle);
+
     // Create the bottom border: └────────┘
-    console.log(`└${'─'.repeat(boxWidth - 2)}┘`);
-    
-    // Reset the current box width
+    const bottomLine = `└${'─'.repeat(boxWidth - 2)}┘`;
+    console.log(colorFn(bottomLine));
+
+    // Reset the current box width and style
     this.currentBoxWidth = null;
+    this.currentBoxStyle = 'default';
   }
 
   /**
@@ -122,14 +205,15 @@ export class Logger {
    * @param title Title of the logbox
    * @param lines Array of content lines
    * @param width Width of the logbox, defaults to DEFAULT_WIDTH
+   * @param style Box style for coloring
    */
-  public logBox(title: string, lines: string[], width?: number): void {
-    this.logBoxTitle(title, width || this.DEFAULT_WIDTH);
-    
+  public logBox(title: string, lines: string[], width?: number, style?: TBoxStyle): void {
+    this.logBoxTitle(title, width || this.DEFAULT_WIDTH, style);
+
     for (const line of lines) {
       this.logBoxLine(line);
     }
-    
+
     this.logBoxEnd();
   }
 
@@ -141,7 +225,109 @@ export class Logger {
   public logDivider(width?: number, character: string = '─'): void {
     console.log(character.repeat(width || this.DEFAULT_WIDTH));
   }
+
+  /**
+   * Strip ANSI color codes from string for accurate length calculation
+   */
+  private stripAnsi(text: string): string {
+    // Remove ANSI escape codes
+    return text.replace(/\x1b\[[0-9;]*m/g, '');
+  }
+
+  /**
+   * Get visible length of string (excluding ANSI codes)
+   */
+  private visibleLength(text: string): number {
+    return this.stripAnsi(text).length;
+  }
+
+  /**
+   * Align text within a column (handles ANSI color codes correctly)
+   */
+  private alignText(text: string, width: number, align: TColumnAlign = 'left'): string {
+    const visibleLen = this.visibleLength(text);
+
+    if (visibleLen >= width) {
+      // Text is too long, truncate the visible part
+      const stripped = this.stripAnsi(text);
+      return stripped.substring(0, width);
+    }
+
+    const padding = width - visibleLen;
+
+    switch (align) {
+      case 'right':
+        return ' '.repeat(padding) + text;
+      case 'center': {
+        const leftPad = Math.floor(padding / 2);
+        const rightPad = padding - leftPad;
+        return ' '.repeat(leftPad) + text + ' '.repeat(rightPad);
+      }
+      case 'left':
+      default:
+        return text + ' '.repeat(padding);
+    }
+  }
+
+  /**
+   * Log a formatted table
+   * @param columns Column definitions
+   * @param rows Array of data objects
+   * @param title Optional table title
+   */
+  public logTable(columns: ITableColumn[], rows: Record<string, string>[], title?: string): void {
+    if (rows.length === 0) {
+      this.dim('No data to display');
+      return;
+    }
+
+    // Calculate column widths
+    const columnWidths = columns.map((col) => {
+      if (col.width) return col.width;
+
+      // Auto-calculate width based on header and data (use visible length)
+      let maxWidth = this.visibleLength(col.header);
+      for (const row of rows) {
+        const value = String(row[col.key] || '');
+        maxWidth = Math.max(maxWidth, this.visibleLength(value));
+      }
+      return maxWidth;
+    });
+
+    // Calculate total table width
+    const totalWidth = columnWidths.reduce((sum, w) => sum + w, 0) + (columns.length * 3) + 1;
+
+    // Print title if provided
+    if (title) {
+      this.logBoxTitle(title, totalWidth);
+    } else {
+      // Print top border
+      console.log('┌' + columnWidths.map((w) => '─'.repeat(w + 2)).join('┬') + '┐');
+    }
+
+    // Print header row
+    const headerCells = columns.map((col, i) =>
+      theme.highlight(this.alignText(col.header, columnWidths[i], col.align))
+    );
+    console.log('│ ' + headerCells.join(' │ ') + ' │');
+
+    // Print separator
+    console.log('├' + columnWidths.map((w) => '─'.repeat(w + 2)).join('┼') + '┤');
+
+    // Print data rows
+    for (const row of rows) {
+      const cells = columns.map((col, i) => {
+        const value = String(row[col.key] || '');
+        const aligned = this.alignText(value, columnWidths[i], col.align);
+        return col.color ? col.color(aligned) : aligned;
+      });
+      console.log('│ ' + cells.join(' │ ') + ' │');
+    }
+
+    // Print bottom border
+    console.log('└' + columnWidths.map((w) => '─'.repeat(w + 2)).join('┴') + '┘');
+  }
 }
 
 // Export a singleton instance for easy use
-export const logger = Logger.getInstance();
+export const logger = Logger.getInstance();

ts/migrations/base-migration.ts

@@ -0,0 +1,67 @@
+/**
+ * Abstract base class for configuration migrations
+ *
+ * Each migration represents an upgrade from one config version to another.
+ * Migrations run in order based on the `order` field, allowing users to jump
+ * multiple versions (e.g., v1 → v4 runs migrations 2, 3, and 4).
+ */
+/**
+ * Abstract base class for configuration migrations
+ *
+ * Each migration represents an upgrade from one config version to another.
+ * Migrations run in order based on the `toVersion` field, allowing users to jump
+ * multiple versions (e.g., v1 → v4 runs migrations 2, 3, and 4).
+ */
+export abstract class BaseMigration {
+  /**
+   * Source version this migration upgrades from
+   * e.g., "1.x", "3.x"
+   */
+  abstract readonly fromVersion: string;
+
+  /**
+   * Target version this migration upgrades to
+   * e.g., "2.0", "4.0", "4.1"
+   */
+  abstract readonly toVersion: string;
+
+  /**
+   * Check if this migration should run on the given config
+   *
+   * @param config - Raw configuration object to check (unknown schema for migrations)
+   * @returns True if migration should run, false otherwise
+   */
+  abstract shouldRun(config: Record<string, unknown>): Promise<boolean>;
+
+  /**
+   * Perform the migration on the given config
+   *
+   * @param config - Raw configuration object to migrate (unknown schema for migrations)
+   * @returns Migrated configuration object
+   */
+  abstract migrate(config: Record<string, unknown>): Promise<Record<string, unknown>>;
+
+  /**
+   * Get human-readable name for this migration
+   *
+   * @returns Migration name
+   */
+  getName(): string {
+    return `Migration ${this.fromVersion} → ${this.toVersion}`;
+  }
+
+  /**
+   * Parse version string into a comparable number
+   * Supports formats like "2.0", "4.1", etc.
+   * Returns a number like 2.0, 4.1 for sorting
+   *
+   * @returns Parsed version number for ordering
+   */
+  getVersionOrder(): number {
+    const parsed = parseFloat(this.toVersion);
+    if (isNaN(parsed)) {
+      throw new Error(`Invalid version format: ${this.toVersion}`);
+    }
+    return parsed;
+  }
+}

ts/migrations/index.ts

@@ -0,0 +1,11 @@
+/**
+ * Configuration migrations module
+ *
+ * Exports the migration system for upgrading configs between versions.
+ */
+
+export { BaseMigration } from './base-migration.ts';
+export { MigrationRunner } from './migration-runner.ts';
+export { MigrationV1ToV2 } from './migration-v1-to-v2.ts';
+export { MigrationV3ToV4 } from './migration-v3-to-v4.ts';
+export { MigrationV4_0ToV4_1 } from './migration-v4.0-to-v4.1.ts';

ts/migrations/migration-runner.ts

@@ -0,0 +1,75 @@
+import { BaseMigration } from './base-migration.ts';
+import { MigrationV1ToV2 } from './migration-v1-to-v2.ts';
+import { MigrationV3ToV4 } from './migration-v3-to-v4.ts';
+import { MigrationV4_0ToV4_1 } from './migration-v4.0-to-v4.1.ts';
+import { logger } from '../logger.ts';
+
+/**
+ * Migration runner
+ *
+ * Discovers all available migrations, sorts them by order,
+ * and runs applicable migrations in sequence.
+ */
+export class MigrationRunner {
+  private migrations: BaseMigration[];
+
+  constructor() {
+    // Register all migrations here
+    this.migrations = [
+      new MigrationV1ToV2(),
+      new MigrationV3ToV4(),
+      new MigrationV4_0ToV4_1(),
+      // Add future migrations here (v4.3, v4.4, etc.)
+    ];
+
+    // Sort by version order to ensure they run in sequence
+    this.migrations.sort((a, b) => a.getVersionOrder() - b.getVersionOrder());
+  }
+
+  /**
+   * Run all applicable migrations on the config
+   *
+   * @param config - Raw configuration object to migrate
+   * @returns Migrated configuration and whether migrations ran
+   */
+  async run(
+    config: Record<string, unknown>,
+  ): Promise<{ config: Record<string, unknown>; migrated: boolean }> {
+    let currentConfig = config;
+    let anyMigrationsRan = false;
+
+    for (const migration of this.migrations) {
+      const shouldRun = await migration.shouldRun(currentConfig);
+
+      if (shouldRun) {
+        // Only show "checking" message when we actually need to migrate
+        if (!anyMigrationsRan) {
+          logger.dim('Checking for required config migrations...');
+        }
+        logger.info(`Running ${migration.getName()}...`);
+        currentConfig = await migration.migrate(currentConfig);
+        anyMigrationsRan = true;
+      }
+    }
+
+    if (anyMigrationsRan) {
+      logger.success('Configuration migrations complete');
+    } else {
+      logger.success('config format ok');
+    }
+
+    return {
+      config: currentConfig,
+      migrated: anyMigrationsRan,
+    };
+  }
+
+  /**
+   * Get all registered migrations
+   *
+   * @returns Array of all migrations sorted by order
+   */
+  getMigrations(): BaseMigration[] {
+    return [...this.migrations];
+  }
+}

ts/migrations/migration-v1-to-v2.ts

@@ -0,0 +1,55 @@
+import { BaseMigration } from './base-migration.ts';
+import { logger } from '../logger.ts';
+
+/**
+ * Migration from v1 (single SNMP config) to v2 (upsDevices array)
+ *
+ * Detects old format:
+ * {
+ *   snmp: { ... },
+ *   thresholds: { ... },
+ *   checkInterval: 30000
+ * }
+ *
+ * Converts to:
+ * {
+ *   version: "2.0",
+ *   upsDevices: [{ id: "default", name: "Default UPS", snmp: ..., thresholds: ... }],
+ *   groups: [],
+ *   checkInterval: 30000
+ * }
+ */
+export class MigrationV1ToV2 extends BaseMigration {
+  readonly fromVersion = '1.x';
+  readonly toVersion = '2.0';
+
+  async shouldRun(config: any): Promise<boolean> {
+    // V1 format has snmp field directly at root, no upsDevices or upsList
+    return !!config.snmp && !config.upsDevices && !config.upsList;
+  }
+
+  async migrate(config: any): Promise<any> {
+    logger.info(`${this.getName()}: Converting single SNMP config to multi-UPS format...`);
+
+    const migrated = {
+      version: this.toVersion,
+      upsDevices: [
+        {
+          id: 'default',
+          name: 'Default UPS',
+          snmp: config.snmp,
+          thresholds: config.thresholds || {
+            battery: 60,
+            runtime: 20,
+          },
+          groups: [],
+        },
+      ],
+      groups: [],
+      checkInterval: config.checkInterval || 30000,
+    };
+
+    logger.success(`${this.getName()}: Migration complete`);
+    return migrated;
+  }
+}

ts/migrations/migration-v3-to-v4.ts

@@ -0,0 +1,118 @@
+import { BaseMigration } from './base-migration.ts';
+import { logger } from '../logger.ts';
+
+/**
+ * Migration from v3 (upsList) to v4 (upsDevices)
+ *
+ * Transforms v3 format with flat SNMP config:
+ * {
+ *   upsList: [
+ *     {
+ *       id: "ups-1",
+ *       name: "UPS 1",
+ *       host: "192.168.1.1",
+ *       port: 161,
+ *       community: "public",
+ *       version: "1"  // string
+ *     }
+ *   ]
+ * }
+ *
+ * To v4 format with nested SNMP config:
+ * {
+ *   version: "4.0",
+ *   upsDevices: [
+ *     {
+ *       id: "ups-1",
+ *       name: "UPS 1",
+ *       snmp: {
+ *         host: "192.168.1.1",
+ *         port: 161,
+ *         community: "public",
+ *         version: 1,  // number
+ *         timeout: 5000
+ *       },
+ *       thresholds: { battery: 60, runtime: 20 },
+ *       groups: []
+ *     }
+ *   ]
+ * }
+ */
+export class MigrationV3ToV4 extends BaseMigration {
+  readonly fromVersion = '3.x';
+  readonly toVersion = '4.0';
+
+  async shouldRun(config: any): Promise<boolean> {
+    // V3 format has upsList OR has upsDevices with flat structure (host at top level)
+    if (config.upsList && !config.upsDevices) {
+      return true; // Classic v3 with upsList
+    }
+
+    // Check if upsDevices exists but has flat structure (v3 format)
+    if (config.upsDevices && config.upsDevices.length > 0) {
+      const firstDevice = config.upsDevices[0];
+      // V3 has host at top level, v4 has it nested in snmp object
+      return !!firstDevice.host && !firstDevice.snmp;
+    }
+
+    return false;
+  }
+
+  async migrate(config: any): Promise<any> {
+    logger.info(`${this.getName()}: Migrating v3 config to v4 format...`);
+    logger.dim(`  - Restructuring UPS devices (flat → nested snmp config)`);
+
+    // Get devices from either upsList or upsDevices (for partially migrated configs)
+    const sourceDevices = config.upsList || config.upsDevices;
+
+    // Transform each UPS device from v3 flat structure to v4 nested structure
+    const transformedDevices = sourceDevices.map((device: any) => {
+      // Build SNMP config object
+      const snmpConfig: any = {
+        host: device.host,
+        port: device.port || 161,
+        version: typeof device.version === 'string' ? parseInt(device.version, 10) : device.version,
+        timeout: device.timeout || 5000,
+      };
+
+      // Add SNMPv1/v2c fields
+      if (device.community) {
+        snmpConfig.community = device.community;
+      }
+
+      // Add SNMPv3 fields
+      if (device.securityLevel) snmpConfig.securityLevel = device.securityLevel;
+      if (device.username) snmpConfig.username = device.username;
+      if (device.authProtocol) snmpConfig.authProtocol = device.authProtocol;
+      if (device.authKey) snmpConfig.authKey = device.authKey;
+      if (device.privProtocol) snmpConfig.privProtocol = device.privProtocol;
+      if (device.privKey) snmpConfig.privKey = device.privKey;
+
+      // Add UPS model if present
+      if (device.upsModel) snmpConfig.upsModel = device.upsModel;
+      if (device.customOIDs) snmpConfig.customOIDs = device.customOIDs;
+
+      // Return v4 format with nested structure
+      return {
+        id: device.id,
+        name: device.name,
+        snmp: snmpConfig,
+        thresholds: device.thresholds || {
+          battery: 60,
+          runtime: 20,
+        },
+        groups: device.groups || [],
+      };
+    });
+
+    const migrated = {
+      version: this.toVersion,
+      upsDevices: transformedDevices,
+      groups: config.groups || [],
+      checkInterval: config.checkInterval || 30000,
+    };
+
+    logger.success(`${this.getName()}: Migration complete (${transformedDevices.length} devices transformed)`);
+    return migrated;
+  }
+}

ts/migrations/migration-v4.0-to-v4.1.ts

@@ -0,0 +1,127 @@
+import { BaseMigration } from './base-migration.ts';
+import { logger } from '../logger.ts';
+
+/**
+ * Migration from v4.0 to v4.1
+ *
+ * Major changes:
+ * 1. Moves thresholds from UPS level to action level
+ * 2. Creates default shutdown action for UPS devices that had thresholds
+ * 3. Adds empty actions array to UPS devices without actions
+ * 4. Adds empty actions array to groups
+ *
+ * Transforms v4.0 format (with UPS-level thresholds):
+ * {
+ *   version: "4.0",
+ *   upsDevices: [
+ *     {
+ *       id: "ups-1",
+ *       name: "UPS 1",
+ *       snmp: {...},
+ *       thresholds: { battery: 60, runtime: 20 },  // UPS-level
+ *       groups: []
+ *     }
+ *   ]
+ * }
+ *
+ * To v4.1 format (with action-level thresholds):
+ * {
+ *   version: "4.1",
+ *   upsDevices: [
+ *     {
+ *       id: "ups-1",
+ *       name: "UPS 1",
+ *       snmp: {...},
+ *       groups: [],
+ *       actions: [  // Thresholds moved here
+ *         {
+ *           type: "shutdown",
+ *           thresholds: { battery: 60, runtime: 20 },
+ *           triggerMode: "onlyThresholds",
+ *           shutdownDelay: 5
+ *         }
+ *       ]
+ *     }
+ *   ]
+ * }
+ */
+export class MigrationV4_0ToV4_1 extends BaseMigration {
+  readonly fromVersion = '4.0';
+  readonly toVersion = '4.1';
+
+  async shouldRun(config: Record<string, unknown>): Promise<boolean> {
+    // Run if config is version 4.0
+    if (config.version === '4.0') {
+      return true;
+    }
+
+    // Also run if config has upsDevices with thresholds at UPS level (v4.0 format)
+    if (Array.isArray(config.upsDevices) && config.upsDevices.length > 0) {
+      const firstDevice = config.upsDevices[0] as Record<string, unknown>;
+      // v4.0 has thresholds at UPS level, v4.1 has them in actions
+      return firstDevice.thresholds !== undefined;
+    }
+
+    return false;
+  }
+
+  async migrate(config: Record<string, unknown>): Promise<Record<string, unknown>> {
+    logger.info(`${this.getName()}: Migrating v4.0 config to v4.1 format...`);
+    logger.dim(`  - Moving thresholds from UPS level to action level`);
+    logger.dim(`  - Creating default shutdown actions from existing thresholds`);
+
+    // Migrate UPS devices
+    const devices = (config.upsDevices as Array<Record<string, unknown>>) || [];
+    const migratedDevices = devices.map((device) => {
+      const migrated: Record<string, unknown> = {
+        id: device.id,
+        name: device.name,
+        snmp: device.snmp,
+        groups: device.groups || [],
+      };
+
+      // If device has thresholds at UPS level, convert to shutdown action
+      const deviceThresholds = device.thresholds as { battery: number; runtime: number } | undefined;
+      if (deviceThresholds) {
+        migrated.actions = [
+          {
+            type: 'shutdown',
+            thresholds: {
+              battery: deviceThresholds.battery,
+              runtime: deviceThresholds.runtime,
+            },
+            triggerMode: 'onlyThresholds', // Preserve old behavior (only on threshold violation)
+            shutdownDelay: 5, // Default delay
+          },
+        ];
+        logger.dim(
+          `    → ${device.name}: Created shutdown action (battery: ${deviceThresholds.battery}%, runtime: ${deviceThresholds.runtime}min)`,
+        );
+      } else {
+        // No thresholds, just add empty actions array
+        migrated.actions = device.actions || [];
+      }
+
+      return migrated;
+    });
+
+    // Add actions to groups
+    const groups = (config.groups as Array<Record<string, unknown>>) || [];
+    const migratedGroups = groups.map((group) => ({
+      ...group,
+      actions: group.actions || [],
+    }));
+
+    const result = {
+      version: this.toVersion,
+      upsDevices: migratedDevices,
+      groups: migratedGroups,
+      checkInterval: config.checkInterval || 30000,
+    };
+
+    logger.success(
+      `${this.getName()}: Migration complete (${migratedDevices.length} devices, ${migratedGroups.length} groups updated)`,
+    );
+    return result;
+  }
+}

ts/nupst.ts

@@ -1,12 +1,13 @@
-import { NupstSnmp } from './snmp/manager.js';
-import { NupstDaemon } from './daemon.js';
-import { NupstSystemd } from './systemd.js';
-import { commitinfo } from './00_commitinfo_data.js';
-import { logger } from './logger.js';
-import { UpsHandler } from './cli/ups-handler.js';
-import { GroupHandler } from './cli/group-handler.js';
-import { ServiceHandler } from './cli/service-handler.js';
-import * as https from 'https';
+import { NupstSnmp } from './snmp/manager.ts';
+import { NupstDaemon } from './daemon.ts';
+import { NupstSystemd } from './systemd.ts';
+import { commitinfo } from './00_commitinfo_data.ts';
+import { logger } from './logger.ts';
+import { UpsHandler } from './cli/ups-handler.ts';
+import { GroupHandler } from './cli/group-handler.ts';
+import { ServiceHandler } from './cli/service-handler.ts';
+import { ActionHandler } from './cli/action-handler.ts';
+import * as https from 'node:https';
 
 /**
  * Main Nupst class that coordinates all components
@@ -19,6 +20,7 @@ export class Nupst {
   private readonly upsHandler: UpsHandler;
   private readonly groupHandler: GroupHandler;
   private readonly serviceHandler: ServiceHandler;
+  private readonly actionHandler: ActionHandler;
   private updateAvailable: boolean = false;
   private latestVersion: string = '';
 
@@ -31,11 +33,12 @@ export class Nupst {
     this.snmp.setNupst(this); // Set up bidirectional reference
     this.daemon = new NupstDaemon(this.snmp);
     this.systemd = new NupstSystemd(this.daemon);
-    
+
     // Initialize handlers
     this.upsHandler = new UpsHandler(this);
     this.groupHandler = new GroupHandler(this);
     this.serviceHandler = new ServiceHandler(this);
+    this.actionHandler = new ActionHandler(this);
   }
 
   /**
@@ -58,28 +61,35 @@ export class Nupst {
   public getSystemd(): NupstSystemd {
     return this.systemd;
   }
-  
+
   /**
    * Get the UPS handler for UPS management
    */
   public getUpsHandler(): UpsHandler {
     return this.upsHandler;
   }
-  
+
   /**
    * Get the Group handler for group management
    */
   public getGroupHandler(): GroupHandler {
     return this.groupHandler;
   }
-  
+
   /**
    * Get the Service handler for service management
    */
   public getServiceHandler(): ServiceHandler {
     return this.serviceHandler;
   }
-  
+
+  /**
+   * Get the Action handler for action management
+   */
+  public getActionHandler(): ActionHandler {
+    return this.actionHandler;
+  }
+
   /**
    * Get the current version of NUPST
    * @returns The current version string
@@ -87,7 +97,7 @@ export class Nupst {
   public getVersion(): string {
     return commitinfo.version;
   }
-  
+
   /**
    * Check if an update is available
    * @returns Promise resolving to true if an update is available
@@ -96,39 +106,41 @@ export class Nupst {
     try {
       const latestVersion = await this.getLatestVersion();
       const currentVersion = this.getVersion();
-      
+
       // Compare versions
       this.updateAvailable = this.compareVersions(latestVersion, currentVersion) > 0;
       this.latestVersion = latestVersion;
-      
+
       return this.updateAvailable;
     } catch (error) {
-      logger.error(`Error checking for updates: ${error.message}`);
+      logger.error(
+        `Error checking for updates: ${error instanceof Error ? error.message : String(error)}`,
+      );
       return false;
     }
   }
-  
+
   /**
    * Get update status information
    * @returns Object with update status information
    */
-  public getUpdateStatus(): { 
-    currentVersion: string, 
-    latestVersion: string, 
-    updateAvailable: boolean 
+  public getUpdateStatus(): {
+    currentVersion: string;
+    latestVersion: string;
+    updateAvailable: boolean;
   } {
     return {
       currentVersion: this.getVersion(),
       latestVersion: this.latestVersion || this.getVersion(),
-      updateAvailable: this.updateAvailable
+      updateAvailable: this.updateAvailable,
     };
   }
-  
+
   /**
    * Get the latest version from npm registry
    * @returns Promise resolving to the latest version string
    */
-  private async getLatestVersion(): Promise<string> {
+  private getLatestVersion(): Promise<string> {
     return new Promise<string>((resolve, reject) => {
       const options = {
         hostname: 'registry.npmjs.org',
@@ -136,17 +148,17 @@ export class Nupst {
         method: 'GET',
         headers: {
           'Accept': 'application/json',
-          'User-Agent': `nupst/${this.getVersion()}`
-        }
+          'User-Agent': `nupst/${this.getVersion()}`,
+        },
       };
-      
+
       const req = https.request(options, (res) => {
         let data = '';
-        
+
         res.on('data', (chunk) => {
           data += chunk;
         });
-        
+
         res.on('end', () => {
           try {
             const response = JSON.parse(data);
@@ -160,15 +172,15 @@ export class Nupst {
           }
         });
       });
-      
+
       req.on('error', (error) => {
         reject(error);
       });
-      
+
       req.end();
     });
   }
-  
+
   /**
    * Compare two semantic version strings
    * @param versionA First version
@@ -176,39 +188,39 @@ export class Nupst {
    * @returns -1 if versionA < versionB, 0 if equal, 1 if versionA > versionB
    */
   private compareVersions(versionA: string, versionB: string): number {
-    const partsA = versionA.split('.').map(part => parseInt(part, 10));
-    const partsB = versionB.split('.').map(part => parseInt(part, 10));
-    
+    const partsA = versionA.split('.').map((part) => parseInt(part, 10));
+    const partsB = versionB.split('.').map((part) => parseInt(part, 10));
+
     for (let i = 0; i < Math.max(partsA.length, partsB.length); i++) {
       const partA = i < partsA.length ? partsA[i] : 0;
       const partB = i < partsB.length ? partsB[i] : 0;
-      
+
       if (partA > partB) return 1;
       if (partA < partB) return -1;
     }
-    
+
     return 0; // Versions are equal
   }
-  
+
   /**
    * Log the current version and update status
    */
   public logVersionInfo(checkForUpdates: boolean = true): void {
     const version = this.getVersion();
     const boxWidth = 45;
-    
+
     logger.logBoxTitle('NUPST Version', boxWidth);
     logger.logBoxLine(`Current Version: ${version}`);
-    
+
     if (this.updateAvailable && this.latestVersion) {
       logger.logBoxLine(`Update Available: ${this.latestVersion}`);
       logger.logBoxLine('Run "sudo nupst update" to update');
       logger.logBoxEnd();
     } else if (checkForUpdates) {
       logger.logBoxLine('Checking for updates...');
-      
+
       // We can't end the box yet since we're in an async operation
-      this.checkForUpdates().then(updateAvailable => {
+      this.checkForUpdates().then((updateAvailable) => {
         if (updateAvailable) {
           logger.logBoxLine(`Update Available: ${this.latestVersion}`);
           logger.logBoxLine('Run "sudo nupst update" to update');
@@ -224,4 +236,4 @@ export class Nupst {
       logger.logBoxEnd();
     }
   }
-}
+}

ts/snmp/index.ts

@@ -4,7 +4,7 @@
  */
 
 // Re-export all public types
-export type { IUpsStatus, IOidSet, TUpsModel, ISnmpConfig } from './types.js';
+export type { IOidSet, ISnmpConfig, IUpsStatus, TUpsModel } from './types.ts';
 
 // Re-export the SNMP manager class
-export { NupstSnmp } from './manager.js';
+export { NupstSnmp } from './manager.ts';

ts/snmp/manager.ts

@@ -1,6 +1,7 @@
-import * as snmp from 'net-snmp';
-import type { IOidSet, ISnmpConfig, TUpsModel, IUpsStatus } from './types.js';
-import { UpsOidSets } from './oid-sets.js';
+import * as snmp from 'npm:net-snmp@3.20.0';
+import { Buffer } from 'node:buffer';
+import type { IOidSet, ISnmpConfig, IUpsStatus, TUpsModel } from './types.ts';
+import { UpsOidSets } from './oid-sets.ts';
 
 /**
  * Class for SNMP communication with UPS devices
@@ -33,7 +34,7 @@ export class NupstSnmp {
     // Set default OID set
     this.activeOIDs = UpsOidSets.getOidSet('cyberpower');
   }
-  
+
   /**
    * Set reference to the main Nupst instance
    * @param nupst Reference to the main Nupst instance
@@ -41,14 +42,14 @@ export class NupstSnmp {
   public setNupst(nupst: any): void {
     this.nupst = nupst;
   }
-  
+
   /**
    * Get reference to the main Nupst instance
    */
   public getNupst(): any {
     return this.nupst;
   }
-  
+
   /**
    * Enable debug mode
    */
@@ -70,11 +71,11 @@ export class NupstSnmp {
       }
       return;
     }
-    
+
     // Use OIDs for the specified UPS model or default to Cyberpower
     const model = config.upsModel || 'cyberpower';
     this.activeOIDs = UpsOidSets.getOidSet(model);
-    
+
     if (this.debug) {
       console.log(`Using OIDs for UPS model: ${model}`);
     }
@@ -87,14 +88,16 @@ export class NupstSnmp {
    * @param retryCount Current retry count (unused in this implementation)
    * @returns Promise resolving to the SNMP response value
    */
-  public async snmpGet(
-    oid: string, 
-    config = this.DEFAULT_CONFIG, 
-    retryCount = 0
+  public snmpGet(
+    oid: string,
+    config = this.DEFAULT_CONFIG,
+    retryCount = 0,
   ): Promise<any> {
     return new Promise((resolve, reject) => {
       if (this.debug) {
-        console.log(`Sending SNMP v${config.version} GET request for OID ${oid} to ${config.host}:${config.port}`);
+        console.log(
+          `Sending SNMP v${config.version} GET request for OID ${oid} to ${config.host}:${config.port}`,
+        );
         console.log('Using community:', config.community);
       }
 
@@ -105,7 +108,7 @@ export class NupstSnmp {
         timeout: config.timeout,
         transport: 'udp4',
         idBitsSize: 32,
-        context: config.context || ''
+        context: config.context || '',
       };
 
       // Set version based on config
@@ -119,23 +122,23 @@ export class NupstSnmp {
 
       // Create appropriate session based on SNMP version
       let session;
-      
+
       if (config.version === 3) {
         // For SNMPv3, we need to set up authentication and privacy
         // For SNMPv3, we need a valid security level
         const securityLevel = config.securityLevel || 'noAuthNoPriv';
-        
+
         // Create the user object with required structure for net-snmp
         const user: any = {
-          name: config.username || ''
+          name: config.username || '',
         };
-        
+
         // Set security level
         if (securityLevel === 'noAuthNoPriv') {
           user.level = snmp.SecurityLevel.noAuthNoPriv;
         } else if (securityLevel === 'authNoPriv') {
           user.level = snmp.SecurityLevel.authNoPriv;
-          
+
           // Set auth protocol - must provide both protocol and key
           if (config.authProtocol && config.authKey) {
             if (config.authProtocol === 'MD5') {
@@ -153,7 +156,7 @@ export class NupstSnmp {
           }
         } else if (securityLevel === 'authPriv') {
           user.level = snmp.SecurityLevel.authPriv;
-          
+
           // Set auth protocol - must provide both protocol and key
           if (config.authProtocol && config.authKey) {
             if (config.authProtocol === 'MD5') {
@@ -162,7 +165,7 @@ export class NupstSnmp {
               user.authProtocol = snmp.AuthProtocols.sha;
             }
             user.authKey = config.authKey;
-            
+
             // Set privacy protocol - must provide both protocol and key
             if (config.privProtocol && config.privKey) {
               if (config.privProtocol === 'DES') {
@@ -186,18 +189,20 @@ export class NupstSnmp {
             }
           }
         }
-        
+
         if (this.debug) {
           console.log('SNMPv3 user configuration:', {
             name: user.name,
-            level: Object.keys(snmp.SecurityLevel).find(key => snmp.SecurityLevel[key] === user.level),
+            level: Object.keys(snmp.SecurityLevel).find((key) =>
+              snmp.SecurityLevel[key] === user.level
+            ),
             authProtocol: user.authProtocol ? 'Set' : 'Not Set',
             authKey: user.authKey ? 'Set' : 'Not Set',
             privProtocol: user.privProtocol ? 'Set' : 'Not Set',
-            privKey: user.privKey ? 'Set' : 'Not Set'
+            privKey: user.privKey ? 'Set' : 'Not Set',
           });
         }
-        
+
         session = snmp.createV3Session(config.host, user, options);
       } else {
         // For SNMPv1/v2c, we use the community string
@@ -229,9 +234,11 @@ export class NupstSnmp {
         }
 
         // Check for SNMP errors in the response
-        if (varbinds[0].type === snmp.ObjectType.NoSuchObject ||
-            varbinds[0].type === snmp.ObjectType.NoSuchInstance ||
-            varbinds[0].type === snmp.ObjectType.EndOfMibView) {
+        if (
+          varbinds[0].type === snmp.ObjectType.NoSuchObject ||
+          varbinds[0].type === snmp.ObjectType.NoSuchInstance ||
+          varbinds[0].type === snmp.ObjectType.EndOfMibView
+        ) {
           if (this.debug) {
             console.error('SNMP error:', snmp.ObjectType[varbinds[0].type]);
           }
@@ -245,7 +252,7 @@ export class NupstSnmp {
         // Handle specific types that might need conversion
         if (Buffer.isBuffer(value)) {
           // If value is a Buffer, try to convert it to a string if it's printable ASCII
-          const isPrintableAscii = value.every(byte => byte >= 32 && byte <= 126);
+          const isPrintableAscii = value.every((byte: number) => byte >= 32 && byte <= 126);
           if (isPrintableAscii) {
             value = value.toString();
           }
@@ -258,7 +265,7 @@ export class NupstSnmp {
           console.log('SNMP response:', {
             oid: varbinds[0].oid,
             type: varbinds[0].type,
-            value: value
+            value: value,
           });
         }
 
@@ -276,7 +283,7 @@ export class NupstSnmp {
     try {
       // Set active OID set based on UPS model in config
       this.setActiveOIDs(config);
-      
+
       if (this.debug) {
         console.log('---------------------------------------');
         console.log('Getting UPS status with config:');
@@ -299,18 +306,30 @@ export class NupstSnmp {
         console.log('  Battery Runtime:', this.activeOIDs.BATTERY_RUNTIME);
         console.log('---------------------------------------');
       }
-      
+
       // Get all values with independent retry logic
-      const powerStatusValue = await this.getSNMPValueWithRetry(this.activeOIDs.POWER_STATUS, 'power status', config);
-      const batteryCapacity = await this.getSNMPValueWithRetry(this.activeOIDs.BATTERY_CAPACITY, 'battery capacity', config) || 0;
-      const batteryRuntime = await this.getSNMPValueWithRetry(this.activeOIDs.BATTERY_RUNTIME, 'battery runtime', config) || 0;
-      
+      const powerStatusValue = await this.getSNMPValueWithRetry(
+        this.activeOIDs.POWER_STATUS,
+        'power status',
+        config,
+      );
+      const batteryCapacity = await this.getSNMPValueWithRetry(
+        this.activeOIDs.BATTERY_CAPACITY,
+        'battery capacity',
+        config,
+      ) || 0;
+      const batteryRuntime = await this.getSNMPValueWithRetry(
+        this.activeOIDs.BATTERY_RUNTIME,
+        'battery runtime',
+        config,
+      ) || 0;
+
       // Determine power status - handle different values for different UPS models
       const powerStatus = this.determinePowerStatus(config.upsModel, powerStatusValue);
-      
+
       // Convert to minutes for UPS models with different time units
       const processedRuntime = this.processRuntimeValue(config.upsModel, batteryRuntime);
-      
+
       const result = {
         powerStatus,
         batteryCapacity,
@@ -321,7 +340,7 @@ export class NupstSnmp {
           batteryRuntime,
         },
       };
-      
+
       if (this.debug) {
         console.log('---------------------------------------');
         console.log('UPS status result:');
@@ -330,15 +349,20 @@ export class NupstSnmp {
         console.log('  Battery Runtime:', result.batteryRuntime, 'minutes');
         console.log('---------------------------------------');
       }
-      
+
       return result;
     } catch (error) {
       if (this.debug) {
         console.error('---------------------------------------');
-        console.error('Error getting UPS status:', error.message);
+        console.error(
+          'Error getting UPS status:',
+          error instanceof Error ? error.message : String(error),
+        );
         console.error('---------------------------------------');
       }
-      throw new Error(`Failed to get UPS status: ${error.message}`);
+      throw new Error(
+        `Failed to get UPS status: ${error instanceof Error ? error.message : String(error)}`,
+      );
     }
   }
 
@@ -350,9 +374,9 @@ export class NupstSnmp {
    * @returns Promise resolving to the SNMP value
    */
   private async getSNMPValueWithRetry(
-    oid: string, 
-    description: string, 
-    config: ISnmpConfig
+    oid: string,
+    description: string,
+    config: ISnmpConfig,
   ): Promise<any> {
     if (oid === '') {
       if (this.debug) {
@@ -360,11 +384,11 @@ export class NupstSnmp {
       }
       return 0;
     }
-    
+
     if (this.debug) {
       console.log(`Getting ${description} OID: ${oid}`);
     }
-    
+
     try {
       const value = await this.snmpGet(oid, config);
       if (this.debug) {
@@ -373,19 +397,22 @@ export class NupstSnmp {
       return value;
     } catch (error) {
       if (this.debug) {
-        console.error(`Error getting ${description}:`, error.message);
+        console.error(
+          `Error getting ${description}:`,
+          error instanceof Error ? error.message : String(error),
+        );
       }
-      
+
       // If we're using SNMPv3, try with different security levels
       if (config.version === 3) {
         return await this.tryFallbackSecurityLevels(oid, description, config);
       }
-      
+
       // Try with standard OIDs as fallback
       if (config.upsModel !== 'custom') {
         return await this.tryStandardOids(oid, description, config);
       }
-      
+
       // Return a default value if all attempts fail
       if (this.debug) {
         console.log(`Using default value 0 for ${description}`);
@@ -402,14 +429,14 @@ export class NupstSnmp {
    * @returns Promise resolving to the SNMP value
    */
   private async tryFallbackSecurityLevels(
-    oid: string, 
-    description: string, 
-    config: ISnmpConfig
+    oid: string,
+    description: string,
+    config: ISnmpConfig,
   ): Promise<any> {
     if (this.debug) {
       console.log(`Retrying ${description} with fallback security level...`);
     }
-    
+
     // Try with authNoPriv if current level is authPriv
     if (config.securityLevel === 'authPriv') {
       const retryConfig = { ...config, securityLevel: 'authNoPriv' as 'authNoPriv' };
@@ -424,11 +451,14 @@ export class NupstSnmp {
         return value;
       } catch (retryError) {
         if (this.debug) {
-          console.error(`Retry failed for ${description}:`, retryError.message);
+          console.error(
+            `Retry failed for ${description}:`,
+            retryError instanceof Error ? retryError.message : String(retryError),
+          );
         }
       }
     }
-    
+
     // Try with noAuthNoPriv as a last resort
     if (config.securityLevel === 'authPriv' || config.securityLevel === 'authNoPriv') {
       const retryConfig = { ...config, securityLevel: 'noAuthNoPriv' as 'noAuthNoPriv' };
@@ -443,11 +473,14 @@ export class NupstSnmp {
         return value;
       } catch (retryError) {
         if (this.debug) {
-          console.error(`Retry failed for ${description}:`, retryError.message);
+          console.error(
+            `Retry failed for ${description}:`,
+            retryError instanceof Error ? retryError.message : String(retryError),
+          );
         }
       }
     }
-    
+
     return 0;
   }
 
@@ -459,18 +492,20 @@ export class NupstSnmp {
    * @returns Promise resolving to the SNMP value
    */
   private async tryStandardOids(
-    oid: string, 
-    description: string, 
-    config: ISnmpConfig
+    oid: string,
+    description: string,
+    config: ISnmpConfig,
   ): Promise<any> {
     try {
       // Try RFC 1628 standard UPS MIB OIDs
       const standardOIDs = UpsOidSets.getStandardOids();
-      
+
       if (this.debug) {
-        console.log(`Trying standard RFC 1628 OID for ${description}: ${standardOIDs[description]}`);
+        console.log(
+          `Trying standard RFC 1628 OID for ${description}: ${standardOIDs[description]}`,
+        );
       }
-      
+
       const standardValue = await this.snmpGet(standardOIDs[description], config);
       if (this.debug) {
         console.log(`${description} standard OID value:`, standardValue);
@@ -478,56 +513,49 @@ export class NupstSnmp {
       return standardValue;
     } catch (stdError) {
       if (this.debug) {
-        console.error(`Standard OID retry failed for ${description}:`, stdError.message);
+        console.error(
+          `Standard OID retry failed for ${description}:`,
+          stdError instanceof Error ? stdError.message : String(stdError),
+        );
       }
     }
-    
+
     return 0;
   }
 
   /**
    * Determine power status based on UPS model and raw value
+   * Uses the value mappings defined in the OID sets
    * @param upsModel UPS model
    * @param powerStatusValue Raw power status value
    * @returns Standardized power status
    */
   private determinePowerStatus(
-    upsModel: TUpsModel | undefined, 
-    powerStatusValue: number
+    upsModel: TUpsModel | undefined,
+    powerStatusValue: number,
   ): 'online' | 'onBattery' | 'unknown' {
-    if (upsModel === 'cyberpower') {
-      // CyberPower RMCARD205: upsBaseOutputStatus values
-      // 2=onLine, 3=onBattery, 4=onBoost, 5=onSleep, 6=off, etc.
-      if (powerStatusValue === 2) {
-        return 'online';
-      } else if (powerStatusValue === 3) {
-        return 'onBattery';
-      }
-    } else if (upsModel === 'eaton') {
-      // Eaton UPS: xupsOutputSource values
-      // 3=normal/mains, 5=battery, etc.
-      if (powerStatusValue === 3) {
-        return 'online';
-      } else if (powerStatusValue === 5) {
-        return 'onBattery';
-      }
-    } else if (upsModel === 'apc') {
-      // APC UPS: upsBasicOutputStatus values
-      // 2=online, 3=onBattery, etc.
-      if (powerStatusValue === 2) {
-        return 'online';
-      } else if (powerStatusValue === 3) {
-        return 'onBattery';
-      }
-    } else {
-      // Default interpretation for other UPS models
-      if (powerStatusValue === 1) {
-        return 'online';
-      } else if (powerStatusValue === 2) {
-        return 'onBattery';
+    // Get the OID set for this UPS model
+    if (upsModel && upsModel !== 'custom') {
+      const oidSet = UpsOidSets.getOidSet(upsModel);
+
+      // Use the value mappings if available
+      if (oidSet.POWER_STATUS_VALUES) {
+        if (powerStatusValue === oidSet.POWER_STATUS_VALUES.online) {
+          return 'online';
+        } else if (powerStatusValue === oidSet.POWER_STATUS_VALUES.onBattery) {
+          return 'onBattery';
+        }
       }
     }
-    
+
+    // Fallback for custom or undefined models (RFC 1628 standard)
+    // upsOutputSource: 3=normal (mains), 5=battery
+    if (powerStatusValue === 3) {
+      return 'online';
+    } else if (powerStatusValue === 5) {
+      return 'onBattery';
+    }
+
     return 'unknown';
   }
 
@@ -538,25 +566,29 @@ export class NupstSnmp {
    * @returns Processed runtime in minutes
    */
   private processRuntimeValue(
-    upsModel: TUpsModel | undefined, 
-    batteryRuntime: number
+    upsModel: TUpsModel | undefined,
+    batteryRuntime: number,
   ): number {
     if (this.debug) {
       console.log('Raw runtime value:', batteryRuntime);
     }
-  
+
     if (upsModel === 'cyberpower' && batteryRuntime > 0) {
       // CyberPower: TimeTicks is in 1/100 seconds, convert to minutes
       const minutes = Math.floor(batteryRuntime / 6000); // 6000 ticks = 1 minute
       if (this.debug) {
-        console.log(`Converting CyberPower runtime from ${batteryRuntime} ticks to ${minutes} minutes`);
+        console.log(
+          `Converting CyberPower runtime from ${batteryRuntime} ticks to ${minutes} minutes`,
+        );
       }
       return minutes;
     } else if (upsModel === 'eaton' && batteryRuntime > 0) {
       // Eaton: Runtime is in seconds, convert to minutes
       const minutes = Math.floor(batteryRuntime / 60);
       if (this.debug) {
-        console.log(`Converting Eaton runtime from ${batteryRuntime} seconds to ${minutes} minutes`);
+        console.log(
+          `Converting Eaton runtime from ${batteryRuntime} seconds to ${minutes} minutes`,
+        );
       }
       return minutes;
     } else if (batteryRuntime > 10000) {
@@ -567,7 +599,7 @@ export class NupstSnmp {
       }
       return minutes;
     }
-    
+
     return batteryRuntime;
   }
-}
+}

ts/snmp/oid-sets.ts

@@ -1,4 +1,4 @@
-import type { IOidSet, TUpsModel } from './types.js';
+import type { IOidSet, TUpsModel } from './types.ts';
 
 /**
  * OID sets for different UPS models
@@ -11,45 +11,65 @@ export class UpsOidSets {
   private static readonly UPS_OID_SETS: Record<TUpsModel, IOidSet> = {
     // Cyberpower OIDs for RMCARD205 (based on CyberPower_MIB_v2.11)
     cyberpower: {
-      POWER_STATUS: '1.3.6.1.4.1.3808.1.1.1.4.1.1.0', // upsBaseOutputStatus (2=online, 3=on battery)
+      POWER_STATUS: '1.3.6.1.4.1.3808.1.1.1.4.1.1.0', // upsBaseOutputStatus
       BATTERY_CAPACITY: '1.3.6.1.4.1.3808.1.1.1.2.2.1.0', // upsAdvanceBatteryCapacity (percentage)
       BATTERY_RUNTIME: '1.3.6.1.4.1.3808.1.1.1.2.2.4.0', // upsAdvanceBatteryRunTimeRemaining (TimeTicks)
+      POWER_STATUS_VALUES: {
+        online: 2, // upsBaseOutputStatus: 2=onLine
+        onBattery: 3, // upsBaseOutputStatus: 3=onBattery
+      },
     },
-    
+
     // APC OIDs
     apc: {
-      POWER_STATUS: '1.3.6.1.4.1.318.1.1.1.4.1.1.0', // Power status (1=online, 2=on battery)
+      POWER_STATUS: '1.3.6.1.4.1.318.1.1.1.4.1.1.0', // upsBasicOutputStatus
       BATTERY_CAPACITY: '1.3.6.1.4.1.318.1.1.1.2.2.1.0', // Battery capacity in percentage
       BATTERY_RUNTIME: '1.3.6.1.4.1.318.1.1.1.2.2.3.0', // Remaining runtime in minutes
+      POWER_STATUS_VALUES: {
+        online: 2, // upsBasicOutputStatus: 2=onLine
+        onBattery: 3, // upsBasicOutputStatus: 3=onBattery
+      },
     },
-    
+
     // Eaton OIDs
     eaton: {
-      POWER_STATUS: '1.3.6.1.4.1.534.1.4.4.0', // xupsOutputSource (3=normal/mains, 5=battery)
+      POWER_STATUS: '1.3.6.1.4.1.534.1.4.4.0', // xupsOutputSource
       BATTERY_CAPACITY: '1.3.6.1.4.1.534.1.2.4.0', // xupsBatCapacity (percentage)
       BATTERY_RUNTIME: '1.3.6.1.4.1.534.1.2.1.0', // xupsBatTimeRemaining (seconds)
+      POWER_STATUS_VALUES: {
+        online: 3, // xupsOutputSource: 3=normal (mains power)
+        onBattery: 5, // xupsOutputSource: 5=battery
+      },
     },
-    
+
     // TrippLite OIDs
     tripplite: {
-      POWER_STATUS: '1.3.6.1.4.1.850.1.1.3.1.1.1.0', // Power status
+      POWER_STATUS: '1.3.6.1.4.1.850.1.1.3.1.1.1.0', // tlUpsOutputSource
       BATTERY_CAPACITY: '1.3.6.1.4.1.850.1.1.3.2.4.1.0', // Battery capacity in percentage
       BATTERY_RUNTIME: '1.3.6.1.4.1.850.1.1.3.2.2.1.0', // Remaining runtime in minutes
+      POWER_STATUS_VALUES: {
+        online: 2, // tlUpsOutputSource: 2=normal (mains power)
+        onBattery: 3, // tlUpsOutputSource: 3=onBattery
+      },
     },
-    
+
     // Liebert/Vertiv OIDs
     liebert: {
-      POWER_STATUS: '1.3.6.1.4.1.476.1.42.3.9.20.1.20.1.2.1.2.1', // Power status
+      POWER_STATUS: '1.3.6.1.4.1.476.1.42.3.9.20.1.20.1.2.1.2.1', // lgpPwrOutputSource
       BATTERY_CAPACITY: '1.3.6.1.4.1.476.1.42.3.9.20.1.20.1.2.1.4.1', // Battery capacity in percentage
       BATTERY_RUNTIME: '1.3.6.1.4.1.476.1.42.3.9.20.1.20.1.2.1.5.1', // Remaining runtime in minutes
+      POWER_STATUS_VALUES: {
+        online: 2, // lgpPwrOutputSource: 2=normal (mains power)
+        onBattery: 3, // lgpPwrOutputSource: 3=onBattery
+      },
     },
-    
+
     // Custom OIDs (to be provided by the user)
     custom: {
       POWER_STATUS: '',
       BATTERY_CAPACITY: '',
       BATTERY_RUNTIME: '',
-    }
+    },
   };
 
   /**
@@ -67,9 +87,9 @@ export class UpsOidSets {
    */
   public static getStandardOids(): Record<string, string> {
     return {
-      'power status': '1.3.6.1.2.1.33.1.4.1.0',      // upsOutputSource
-      'battery capacity': '1.3.6.1.2.1.33.1.2.4.0',  // upsEstimatedChargeRemaining
-      'battery runtime': '1.3.6.1.2.1.33.1.2.3.0'    // upsEstimatedMinutesRemaining
+      'power status': '1.3.6.1.2.1.33.1.4.1.0', // upsOutputSource
+      'battery capacity': '1.3.6.1.2.1.33.1.2.4.0', // upsEstimatedChargeRemaining
+      'battery runtime': '1.3.6.1.2.1.33.1.2.3.0', // upsEstimatedMinutesRemaining
     };
   }
-}
+}

ts/snmp/types.ts

@@ -2,6 +2,8 @@
  * Type definitions for SNMP module
  */
 
+import { Buffer } from 'node:buffer';
+
 /**
  * UPS status interface
  */
@@ -26,6 +28,13 @@ export interface IOidSet {
   BATTERY_CAPACITY: string;
   /** OID for battery runtime */
   BATTERY_RUNTIME: string;
+  /** Power status value mappings */
+  POWER_STATUS_VALUES?: {
+    /** SNMP value that indicates UPS is online (on AC power) */
+    online: number;
+    /** SNMP value that indicates UPS is on battery */
+    onBattery: number;
+  };
 }
 
 /**
@@ -47,11 +56,11 @@ export interface ISnmpConfig {
   timeout: number;
 
   context?: string;
-  
+
   // SNMPv1/v2c
   /** Community string for SNMPv1/v2c */
   community?: string;
-  
+
   // SNMPv3
   /** Security level for SNMPv3 */
   securityLevel?: 'noAuthNoPriv' | 'authNoPriv' | 'authPriv';
@@ -65,7 +74,7 @@ export interface ISnmpConfig {
   privProtocol?: 'DES' | 'AES';
   /** Privacy key for SNMPv3 */
   privKey?: string;
-  
+
   // UPS model and custom OIDs
   /** UPS model for OID selection */
   upsModel?: TUpsModel;
@@ -89,4 +98,4 @@ export interface ISnmpV3SecurityParams {
   msgAuthenticationParameters: Buffer;
   /** Privacy parameters */
   msgPrivacyParameters: Buffer;
-}
+}

ts/systemd.ts

@@ -1,7 +1,10 @@
-import { promises as fs } from 'fs';
-import { execSync } from 'child_process';
-import { NupstDaemon } from './daemon.js';
-import { logger } from './logger.js';
+import process from 'node:process';
+import { promises as fs } from 'node:fs';
+import { execSync } from 'node:child_process';
+import { NupstDaemon, type IUpsConfig } from './daemon.ts';
+import { NupstSnmp } from './snmp/manager.ts';
+import { logger } from './logger.ts';
+import { theme, symbols, getBatteryColor, getRuntimeColor, formatPowerStatus } from './colors.ts';
 
 /**
  * Class for managing systemd service
@@ -14,17 +17,17 @@ export class NupstSystemd {
 
   /** Template for the systemd service file */
   private readonly serviceTemplate = `[Unit]
-Description=Node.js UPS Shutdown Tool for Multiple UPS Devices
+Description=NUPST - Deno-powered UPS Monitoring Tool
 After=network.target
 
 [Service]
-ExecStart=/opt/nupst/bin/nupst daemon-start
+ExecStart=/usr/local/bin/nupst service start-daemon
 Restart=always
+RestartSec=10
 User=root
 Group=root
 Environment=PATH=/usr/bin:/usr/local/bin
-Environment=NODE_ENV=production
-WorkingDirectory=/tmp
+WorkingDirectory=/opt/nupst
 
 [Install]
 WantedBy=multi-user.target
@@ -48,11 +51,11 @@ WantedBy=multi-user.target
     try {
       await fs.access(configPath);
     } catch (error) {
-      const boxWidth = 50;
-      logger.logBoxTitle('Configuration Error', boxWidth);
-      logger.logBoxLine(`No configuration file found at ${configPath}`);
-      logger.logBoxLine("Please run 'nupst add' first to create a UPS configuration.");
-      logger.logBoxEnd();
+      logger.log('');
+      logger.error('No configuration found');
+      logger.log(`  ${theme.dim('Config file:')} ${configPath}`);
+      logger.log(`  ${theme.dim('Run')} ${theme.command('nupst ups add')} ${theme.dim('to create a configuration')}`);
+      logger.log('');
       throw new Error('Configuration not found');
     }
   }
@@ -65,7 +68,7 @@ WantedBy=multi-user.target
     try {
       // Check if configuration exists before installing
       await this.checkConfigExists();
-      
+
       // Write the service file
       await fs.writeFile(this.serviceFilePath, this.serviceTemplate);
       const boxWidth = 50;
@@ -81,7 +84,7 @@ WantedBy=multi-user.target
       logger.logBoxLine('Service enabled to start on boot');
       logger.logBoxEnd();
     } catch (error) {
-      if (error.message === 'Configuration not found') {
+      if (error instanceof Error && error.message === 'Configuration not found') {
         // Just rethrow the error as the message has already been displayed
         throw error;
       }
@@ -98,14 +101,14 @@ WantedBy=multi-user.target
     try {
       // Check if configuration exists before starting
       await this.checkConfigExists();
-      
+
       execSync('systemctl start nupst.service');
       const boxWidth = 45;
       logger.logBoxTitle('Service Status', boxWidth);
       logger.logBoxLine('NUPST service started successfully');
       logger.logBoxEnd();
     } catch (error) {
-      if (error.message === 'Configuration not found') {
+      if (error instanceof Error && error.message === 'Configuration not found') {
         // Exit with error code since configuration is required
         process.exit(1);
       }
@@ -118,7 +121,7 @@ WantedBy=multi-user.target
    * Stop the systemd service
    * @throws Error if stop fails
    */
-  public async stop(): Promise<void> {
+  public stop(): void {
     try {
       execSync('systemctl stop nupst.service');
       logger.success('NUPST service stopped');
@@ -132,32 +135,72 @@ WantedBy=multi-user.target
    * Get status of the systemd service and UPS
    * @param debugMode Whether to enable debug mode for SNMP
    */
+  /**
+   * Display version information and update status
+   * @private
+   */
+  private async displayVersionInfo(): Promise<void> {
+    try {
+      const nupst = this.daemon.getNupstSnmp().getNupst();
+      const version = nupst.getVersion();
+      
+      // Check for updates
+      const updateAvailable = await nupst.checkForUpdates();
+      
+      // Display version info
+      if (updateAvailable) {
+        const updateStatus = nupst.getUpdateStatus();
+        logger.log('');
+        logger.log(
+          `${theme.dim('NUPST')} ${theme.dim('v' + version)}  ${symbols.warning} ${theme.statusWarning(`Update available: v${updateStatus.latestVersion}`)}`,
+        );
+        logger.log(`  ${theme.dim('Run')} ${theme.command('sudo nupst update')} ${theme.dim('to upgrade')}`);
+      } else {
+        logger.log('');
+        logger.log(
+          `${theme.dim('NUPST')} ${theme.dim('v' + version)}  ${symbols.success} ${theme.success('Up to date')}`,
+        );
+      }
+    } catch (error) {
+      // If version check fails, show at least the current version
+      try {
+        const nupst = this.daemon.getNupstSnmp().getNupst();
+        const version = nupst.getVersion();
+        logger.log('');
+        logger.log(`${theme.dim('NUPST')} ${theme.dim('v' + version)}`);
+      } catch (_innerError) {
+        // Silently fail if we can't even get the version
+      }
+    }
+  }
+
   public async getStatus(debugMode: boolean = false): Promise<void> {
     try {
       // Enable debug mode if requested
       if (debugMode) {
-        const boxWidth = 45;
-        logger.logBoxTitle('Debug Mode', boxWidth);
-        logger.logBoxLine('SNMP debugging enabled - detailed logs will be shown');
-        logger.logBoxEnd();
+        console.log('');
+        logger.info('Debug Mode: SNMP debugging enabled');
+        console.log('');
         this.daemon.getNupstSnmp().enableDebug();
       }
-      
-      // Display version information
-      this.daemon.getNupstSnmp().getNupst().logVersionInfo();
-      
-      // Check if config exists first
+
+      // Display version and update status first
+      await this.displayVersionInfo();
+
+      // Check if config exists
       try {
         await this.checkConfigExists();
       } catch (error) {
         // Error message already displayed by checkConfigExists
         return;
       }
-      
+
       await this.displayServiceStatus();
       await this.displayAllUpsStatus();
     } catch (error) {
-      logger.error(`Failed to get status: ${error.message}`);
+      logger.error(
+        `Failed to get status: ${error instanceof Error ? error.message : String(error)}`,
+      );
     }
   }
 
@@ -165,21 +208,53 @@ WantedBy=multi-user.target
    * Display the systemd service status
    * @private
    */
-  private async displayServiceStatus(): Promise<void> {
+  private displayServiceStatus(): void {
     try {
       const serviceStatus = execSync('systemctl status nupst.service').toString();
-      const boxWidth = 45;
-      logger.logBoxTitle('Service Status', boxWidth);
-      // Process each line of the status output
-      serviceStatus.split('\n').forEach(line => {
-        logger.logBoxLine(line);
-      });
-      logger.logBoxEnd();
+      const lines = serviceStatus.split('\n');
+
+      // Parse key information from systemctl output
+      let isActive = false;
+      let pid = '';
+      let memory = '';
+      let cpu = '';
+
+      for (const line of lines) {
+        if (line.includes('Active:')) {
+          isActive = line.includes('active (running)');
+        } else if (line.includes('Main PID:')) {
+          const match = line.match(/Main PID:\s+(\d+)/);
+          if (match) pid = match[1];
+        } else if (line.includes('Memory:')) {
+          const match = line.match(/Memory:\s+([\d.]+[A-Z])/);
+          if (match) memory = match[1];
+        } else if (line.includes('CPU:')) {
+          const match = line.match(/CPU:\s+([\d.]+(?:ms|s))/);
+          if (match) cpu = match[1];
+        }
+      }
+
+      // Display beautiful status
+      logger.log('');
+      if (isActive) {
+        logger.log(`${symbols.running} ${theme.success('Service:')} ${theme.statusActive('active (running)')}`);
+      } else {
+        logger.log(`${symbols.stopped} ${theme.dim('Service:')} ${theme.statusInactive('inactive')}`);
+      }
+
+      if (pid || memory || cpu) {
+        const details = [];
+        if (pid) details.push(`PID: ${theme.dim(pid)}`);
+        if (memory) details.push(`Memory: ${theme.dim(memory)}`);
+        if (cpu) details.push(`CPU: ${theme.dim(cpu)}`);
+        logger.log(`  ${details.join('  ')}`);
+      }
+      logger.log('');
+
     } catch (error) {
-      const boxWidth = 45;
-      logger.logBoxTitle('Service Status', boxWidth);
-      logger.logBoxLine('Service is not running');
-      logger.logBoxEnd();
+      logger.log('');
+      logger.log(`${symbols.stopped} ${theme.dim('Service:')} ${theme.statusInactive('not installed')}`);
+      logger.log('');
     }
   }
 
@@ -193,90 +268,198 @@ WantedBy=multi-user.target
       await this.daemon.loadConfig();
       const config = this.daemon.getConfig();
       const snmp = this.daemon.getNupstSnmp();
-      
+
       // Check if we have the new multi-UPS config format
       if (config.upsDevices && Array.isArray(config.upsDevices) && config.upsDevices.length > 0) {
-        logger.log(`Found ${config.upsDevices.length} UPS device(s) in configuration`);
-        
+        logger.info(`UPS Devices (${config.upsDevices.length}):`);
+
         // Show status for each UPS
         for (const ups of config.upsDevices) {
           await this.displaySingleUpsStatus(ups, snmp);
         }
+
+        // Display groups after UPS devices
+        this.displayGroupsStatus();
       } else if (config.snmp) {
-        // Legacy single UPS configuration
-        const legacyUps = {
+        // Legacy single UPS configuration (v1/v2 format)
+        logger.info('UPS Devices (1):');
+        const legacyUps: IUpsConfig = {
           id: 'default',
           name: 'Default UPS',
           snmp: config.snmp,
-          thresholds: config.thresholds,
-          groups: []
+          groups: [],
+          actions: config.thresholds
+            ? [
+                {
+                  type: 'shutdown',
+                  thresholds: config.thresholds,
+                  triggerMode: 'onlyThresholds',
+                  shutdownDelay: 5,
+                },
+              ]
+            : [],
         };
-        
+
         await this.displaySingleUpsStatus(legacyUps, snmp);
       } else {
-        logger.error('No UPS devices found in configuration');
+        logger.log('');
+        logger.warn('No UPS devices configured');
+        logger.log(`  ${theme.dim('Run')} ${theme.command('nupst ups add')} ${theme.dim('to add a device')}`);
+        logger.log('');
       }
     } catch (error) {
-      const boxWidth = 45;
-      logger.logBoxTitle('UPS Status', boxWidth);
-      logger.logBoxLine(`Failed to retrieve UPS status: ${error.message}`);
-      logger.logBoxEnd();
+      logger.log('');
+      logger.error('Failed to retrieve UPS status');
+      logger.log(`  ${theme.dim(error instanceof Error ? error.message : String(error))}`);
+      logger.log('');
     }
   }
-  
+
   /**
    * Display status of a single UPS
    * @param ups UPS configuration
    * @param snmp SNMP manager
    */
-  private async displaySingleUpsStatus(ups: any, snmp: any): Promise<void> {
-    const boxWidth = 45;
-    logger.logBoxTitle(`Connecting to UPS: ${ups.name}`, boxWidth);
-    logger.logBoxLine(`ID: ${ups.id}`);
-    logger.logBoxLine(`Host: ${ups.snmp.host}:${ups.snmp.port}`);
-    logger.logBoxLine(`UPS Model: ${ups.snmp.upsModel || 'cyberpower'}`);
-    
-    if (ups.groups && ups.groups.length > 0) {
-      // Get group names if available
-      const config = this.daemon.getConfig();
-      const groupNames = ups.groups.map(groupId => {
-        const group = config.groups?.find(g => g.id === groupId);
-        return group ? group.name : groupId;
-      });
-      logger.logBoxLine(`Groups: ${groupNames.join(', ')}`);
-    }
-    
-    logger.logBoxEnd();
-    
+  private async displaySingleUpsStatus(ups: IUpsConfig, snmp: NupstSnmp): Promise<void> {
     try {
       // Create a test config with a short timeout
       const testConfig = {
         ...ups.snmp,
-        timeout: Math.min(ups.snmp.timeout, 10000) // Use at most 10 seconds for status check
+        timeout: Math.min(ups.snmp.timeout, 10000), // Use at most 10 seconds for status check
       };
-      
+
       const status = await snmp.getUpsStatus(testConfig);
-      
-      logger.logBoxTitle(`UPS Status: ${ups.name}`, boxWidth);
-      logger.logBoxLine(`Power Status: ${status.powerStatus}`);
-      logger.logBoxLine(`Battery Capacity: ${status.batteryCapacity}%`);
-      logger.logBoxLine(`Runtime Remaining: ${status.batteryRuntime} minutes`);
-      
-      // Show threshold status
-      logger.logBoxLine('');
-      logger.logBoxLine('Thresholds:');
-      logger.logBoxLine(`  Battery: ${status.batteryCapacity}% / ${ups.thresholds.battery}% ${
-        status.batteryCapacity < ups.thresholds.battery ? '⚠️' : '✓'
-      }`);
-      logger.logBoxLine(`  Runtime: ${status.batteryRuntime} min / ${ups.thresholds.runtime} min ${
-        status.batteryRuntime < ups.thresholds.runtime ? '⚠️' : '✓'
-      }`);
-      
-      logger.logBoxEnd();
+
+      // Determine status symbol based on power status
+      let statusSymbol = symbols.unknown;
+      if (status.powerStatus === 'online') {
+        statusSymbol = symbols.running;
+      } else if (status.powerStatus === 'onBattery') {
+        statusSymbol = symbols.warning;
+      }
+
+      // Display UPS name and power status
+      logger.log(`  ${statusSymbol} ${theme.highlight(ups.name)} - ${formatPowerStatus(status.powerStatus)}`);
+
+      // Display battery with color coding
+      const batteryColor = getBatteryColor(status.batteryCapacity);
+
+      // Get threshold from actions (if any action has thresholds defined)
+      const actionWithThresholds = ups.actions?.find((action) => action.thresholds);
+      const batteryThreshold = actionWithThresholds?.thresholds?.battery;
+      const batterySymbol = batteryThreshold !== undefined && status.batteryCapacity >= batteryThreshold
+        ? symbols.success
+        : batteryThreshold !== undefined
+        ? symbols.warning
+        : '';
+
+      logger.log(`    Battery: ${batteryColor(status.batteryCapacity + '%')} ${batterySymbol}  Runtime: ${getRuntimeColor(status.batteryRuntime)(status.batteryRuntime + ' min')}`);
+
+      // Display host info
+      logger.log(`    ${theme.dim(`Host: ${ups.snmp.host}:${ups.snmp.port}`)}`);
+
+      // Display groups if any
+      if (ups.groups && ups.groups.length > 0) {
+        const config = this.daemon.getConfig();
+        const groupNames = ups.groups.map((groupId: string) => {
+          const group = config.groups?.find((g: { id: string }) => g.id === groupId);
+          return group ? group.name : groupId;
+        });
+        logger.log(`    ${theme.dim(`Groups: ${groupNames.join(', ')}`)}`);
+      }
+
+      // Display actions if any
+      if (ups.actions && ups.actions.length > 0) {
+        for (const action of ups.actions) {
+          let actionDesc = `${action.type}`;
+          if (action.thresholds) {
+            actionDesc += ` (${action.triggerMode || 'onlyThresholds'}: battery<${action.thresholds.battery}%, runtime<${action.thresholds.runtime}min`;
+            if (action.shutdownDelay) {
+              actionDesc += `, delay=${action.shutdownDelay}s`;
+            }
+            actionDesc += ')';
+          } else {
+            actionDesc += ` (${action.triggerMode || 'onlyPowerChanges'}`;
+            if (action.shutdownDelay) {
+              actionDesc += `, delay=${action.shutdownDelay}s`;
+            }
+            actionDesc += ')';
+          }
+          logger.log(`    ${theme.dim('Action:')} ${theme.info(actionDesc)}`);
+        }
+      }
+
+      logger.log('');
+
     } catch (error) {
-      logger.logBoxTitle(`UPS Status: ${ups.name}`, boxWidth);
-      logger.logBoxLine(`Failed to retrieve UPS status: ${error.message}`);
-      logger.logBoxEnd();
+      // Display error for this UPS
+      logger.log(`  ${symbols.error} ${theme.highlight(ups.name)} - ${theme.error('Connection failed')}`);
+      logger.log(`    ${theme.dim(error instanceof Error ? error.message : String(error))}`);
+      logger.log(`    ${theme.dim(`Host: ${ups.snmp.host}:${ups.snmp.port}`)}`);
+      logger.log('');
+    }
+  }
+
+  /**
+   * Display status of all groups
+   * @private
+   */
+  private displayGroupsStatus(): void {
+    const config = this.daemon.getConfig();
+
+    if (!config.groups || config.groups.length === 0) {
+      return; // No groups to display
+    }
+
+    logger.log('');
+    logger.info(`Groups (${config.groups.length}):`);
+
+    for (const group of config.groups) {
+      // Display group name and mode
+      const modeColor = group.mode === 'redundant' ? theme.success : theme.warning;
+      logger.log(
+        `  ${symbols.info} ${theme.highlight(group.name)} ${theme.dim(`(${modeColor(group.mode)})`)}`,
+      );
+
+      // Display description if present
+      if (group.description) {
+        logger.log(`    ${theme.dim(group.description)}`);
+      }
+
+      // Display UPS devices in this group
+      const upsInGroup = config.upsDevices.filter((ups) =>
+        ups.groups && ups.groups.includes(group.id)
+      );
+
+      if (upsInGroup.length > 0) {
+        const upsNames = upsInGroup.map((ups) => ups.name).join(', ');
+        logger.log(`    ${theme.dim(`UPS Devices (${upsInGroup.length}):`)} ${upsNames}`);
+      } else {
+        logger.log(`    ${theme.dim('UPS Devices: None')}`);
+      }
+
+      // Display actions if any
+      if (group.actions && group.actions.length > 0) {
+        for (const action of group.actions) {
+          let actionDesc = `${action.type}`;
+          if (action.thresholds) {
+            actionDesc += ` (${action.triggerMode || 'onlyThresholds'}: battery<${action.thresholds.battery}%, runtime<${action.thresholds.runtime}min`;
+            if (action.shutdownDelay) {
+              actionDesc += `, delay=${action.shutdownDelay}s`;
+            }
+            actionDesc += ')';
+          } else {
+            actionDesc += ` (${action.triggerMode || 'onlyPowerChanges'}`;
+            if (action.shutdownDelay) {
+              actionDesc += `, delay=${action.shutdownDelay}s`;
+            }
+            actionDesc += ')';
+          }
+          logger.log(`    ${theme.dim('Action:')} ${theme.info(actionDesc)}`);
+        }
+      }
+
+      logger.log('');
     }
   }
 
@@ -289,7 +472,7 @@ WantedBy=multi-user.target
       await this.stopService();
       await this.disableService();
       await this.removeServiceFile();
-      
+
       // Reload systemd daemon
       execSync('systemctl daemon-reload');
       logger.log('Systemd daemon reloaded');
@@ -304,7 +487,7 @@ WantedBy=multi-user.target
    * Stop the service if it's running
    * @private
    */
-  private async stopService(): Promise<void> {
+  private stopService(): void {
     try {
       logger.log('Stopping NUPST service...');
       execSync('systemctl stop nupst.service');
@@ -318,7 +501,7 @@ WantedBy=multi-user.target
    * Disable the service
    * @private
    */
-  private async disableService(): Promise<void> {
+  private disableService(): void {
     try {
       logger.log('Disabling NUPST service...');
       execSync('systemctl disable nupst.service');
@@ -340,4 +523,4 @@ WantedBy=multi-user.target
       logger.log('Service file did not exist');
     }
   }
-}
+}

tsconfig.json

@@ -1,15 +0,0 @@
-{
-  "compilerOptions": {
-    "experimentalDecorators": true,
-    "emitDecoratorMetadata": true,
-    "useDefineForClassFields": false,
-    "target": "ES2022",
-    "module": "NodeNext",
-    "moduleResolution": "NodeNext",
-    "esModuleInterop": true,
-    "verbatimModuleSyntax": true
-  },
-  "exclude": [
-    "dist_*/**/*.d.ts"
-  ]
-}