chore(release): bump version to 4.3.0

Added comprehensive action management:

Commands:
- nupst action add <ups-id> - Add a new action to a UPS interactively
- nupst action remove <ups-id> <index> - Remove an action by index
- nupst action list [ups-id] - List all actions (optionally for specific UPS)

Features:
- Interactive prompts for action configuration
- Battery and runtime threshold configuration
- Trigger mode selection (onlyPowerChanges, onlyThresholds, powerChangesAndThresholds, anyChange)
- Shutdown delay configuration
- Table-based display of actions with indices
- Support for managing actions across multiple UPS devices

Implementation:
- Created ActionHandler class in ts/cli/action-handler.ts
- Integrated with existing CLI infrastructure
- Added to nupst.ts, cli.ts, and help system
- Proper TypeScript typing throughout

Closes the gap where users had to manually edit config.json to manage actions.

deno.json

@@ -1,6 +1,6 @@
 {
   "name": "@serve.zone/nupst",
-  "version": "4.2.2",
+  "version": "4.3.0",
   "exports": "./mod.ts",
   "tasks": {
     "dev": "deno run --allow-all mod.ts",

ts/cli.ts

@@ -72,6 +72,7 @@ export class NupstCli {
     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') {
@@ -193,6 +194,38 @@ export class NupstCli {
       return;
     }
 
+    // Handle action subcommands
+    if (command === 'action') {
+      const subcommand = commandArgs[0] || 'list';
+      const subcommandArgs = commandArgs.slice(1);
+
+      switch (subcommand) {
+        case 'add': {
+          const upsId = subcommandArgs[0];
+          await actionHandler.add(upsId);
+          break;
+        }
+        case 'remove':
+        case 'rm': // Alias
+        case 'delete': { // Backward compatibility
+          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;
+    }
+
     // Handle config subcommand
     if (command === 'config') {
       const subcommand = commandArgs[0] || 'show';
@@ -499,6 +532,7 @@ export class NupstCli {
     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)'));
@@ -535,6 +569,13 @@ export class NupstCli {
     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 <ups-id>', 'Add a new action to a UPS');
+    this.printCommand('nupst action remove <ups-id> <index>', 'Remove an action by index');
+    this.printCommand('nupst action list [ups-id]', 'List all actions (optionally for specific UPS)');
+    console.log('');
+
     // Options
     logger.log(theme.info('Options:'));
     this.printCommand('--debug, -d', 'Enable debug mode for detailed SNMP logging');
@@ -639,6 +680,29 @@ 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>                    - Add a new action to a UPS interactively
+  remove <ups-id> <index>         - Remove an action by index (alias: rm, delete)
+  list [ups-id]                   - List all actions (optionally for specific UPS) (alias: ls)
+
+Options:
+  --debug, -d                     - Enable debug mode for detailed logging
+
+Examples:
+  nupst action list               - List actions for all UPS devices
+  nupst action list default       - List actions for UPS with ID 'default'
+  nupst action add default        - Add a new action to UPS 'default'
+  nupst action remove default 0   - Remove action at index 0 from UPS 'default'
 `);
   }
 }

ts/cli/action-handler.ts

@@ -0,0 +1,311 @@
+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 } 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
+   */
+  public async add(upsId?: string): Promise<void> {
+    try {
+      if (!upsId) {
+        logger.error('UPS ID is required');
+        logger.log(`  ${theme.dim('Usage:')} ${theme.command('nupst action add <ups-id>')}`);
+        logger.log('');
+        logger.log(`  ${theme.dim('List UPS devices:')} ${theme.command('nupst ups list')}`);
+        logger.log('');
+        process.exit(1);
+      }
+
+      const config = await this.nupst.getDaemon().loadConfig();
+      const ups = config.upsDevices.find((u) => u.id === upsId);
+
+      if (!ups) {
+        logger.error(`UPS with ID '${upsId}' not found`);
+        logger.log('');
+        logger.log(`  ${theme.dim('List available UPS devices:')} ${theme.command('nupst ups list')}`);
+        logger.log('');
+        process.exit(1);
+      }
+
+      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 ${theme.highlight(ups.name)}`);
+        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 UPS
+        if (!ups.actions) {
+          ups.actions = [];
+        }
+        ups.actions.push(newAction);
+
+        await this.nupst.getDaemon().saveConfig(config);
+
+        logger.log('');
+        logger.success(`Action added to ${ups.name}`);
+        logger.log('');
+        logger.log(`  ${theme.dim('Restart service to apply changes:')} ${theme.command('nupst service restart')}`);
+        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
+   */
+  public async remove(upsId?: string, actionIndexStr?: string): Promise<void> {
+    try {
+      if (!upsId || !actionIndexStr) {
+        logger.error('UPS ID and action index are required');
+        logger.log(
+          `  ${theme.dim('Usage:')} ${theme.command('nupst action remove <ups-id> <action-index>')}`,
+        );
+        logger.log('');
+        logger.log(`  ${theme.dim('List actions:')} ${theme.command('nupst action list')}`);
+        logger.log('');
+        process.exit(1);
+      }
+
+      const actionIndex = parseInt(actionIndexStr, 10);
+      if (isNaN(actionIndex) || actionIndex < 0) {
+        logger.error('Invalid action index. Must be >= 0.');
+        process.exit(1);
+      }
+
+      const config = await this.nupst.getDaemon().loadConfig();
+      const ups = config.upsDevices.find((u) => u.id === upsId);
+
+      if (!ups) {
+        logger.error(`UPS with ID '${upsId}' not found`);
+        logger.log('');
+        logger.log(`  ${theme.dim('List available UPS devices:')} ${theme.command('nupst ups list')}`);
+        logger.log('');
+        process.exit(1);
+      }
+
+      if (!ups.actions || ups.actions.length === 0) {
+        logger.error(`No actions configured for UPS '${ups.name}'`);
+        logger.log('');
+        process.exit(1);
+      }
+
+      if (actionIndex >= ups.actions.length) {
+        logger.error(
+          `Invalid action index. UPS '${ups.name}' has ${ups.actions.length} action(s) (index 0-${ups.actions.length - 1})`,
+        );
+        logger.log('');
+        logger.log(`  ${theme.dim('List actions:')} ${theme.command(`nupst action list ${upsId}`)}`);
+        logger.log('');
+        process.exit(1);
+      }
+
+      const removedAction = ups.actions[actionIndex];
+      ups.actions.splice(actionIndex, 1);
+
+      await this.nupst.getDaemon().saveConfig(config);
+
+      logger.log('');
+      logger.success(`Action removed from ${ups.name}`);
+      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('');
+      logger.log(`  ${theme.dim('Restart service to apply changes:')} ${theme.command('nupst service restart')}`);
+      logger.log('');
+    } catch (error) {
+      logger.error(
+        `Failed to remove action: ${error instanceof Error ? error.message : String(error)}`,
+      );
+      process.exit(1);
+    }
+  }
+
+  /**
+   * List all actions for a specific UPS or all UPS devices
+   */
+  public async list(upsId?: string): Promise<void> {
+    try {
+      const config = await this.nupst.getDaemon().loadConfig();
+
+      if (upsId) {
+        // List actions for specific UPS
+        const ups = config.upsDevices.find((u) => u.id === upsId);
+
+        if (!ups) {
+          logger.error(`UPS with ID '${upsId}' not found`);
+          logger.log('');
+          logger.log(`  ${theme.dim('List available UPS devices:')} ${theme.command('nupst ups list')}`);
+          logger.log('');
+          process.exit(1);
+        }
+
+        this.displayUpsActions(ups);
+      } else {
+        // List actions for all UPS devices
+        logger.log('');
+        logger.info('Actions for All UPS Devices');
+        logger.log('');
+
+        let hasAnyActions = false;
+        for (const ups of config.upsDevices) {
+          if (ups.actions && ups.actions.length > 0) {
+            hasAnyActions = true;
+            this.displayUpsActions(ups);
+          }
+        }
+
+        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>')}`);
+          logger.log('');
+        }
+      }
+    } catch (error) {
+      logger.error(
+        `Failed to list actions: ${error instanceof Error ? error.message : String(error)}`,
+      );
+      process.exit(1);
+    }
+  }
+
+  /**
+   * Display actions for a single UPS
+   */
+  private displayUpsActions(ups: IUpsConfig): void {
+    logger.log(`${symbols.info} ${theme.highlight(ups.name)} ${theme.dim(`(${ups.id})`)}`);
+    logger.log('');
+
+    if (!ups.actions || ups.actions.length === 0) {
+      logger.log(`  ${theme.dim('No actions configured')}`);
+      logger.log('');
+      return;
+    }
+
+    const columns: ITableColumn[] = [
+      { header: 'Index', key: 'index', align: 'right' },
+      { header: 'Type', key: 'type', align: 'left' },
+      { header: 'Battery', key: 'battery', align: 'right' },
+      { header: 'Runtime', key: 'runtime', align: 'right' },
+      { header: 'Trigger Mode', key: 'triggerMode', align: 'left' },
+      { header: 'Delay', key: 'delay', align: 'right' },
+    ];
+
+    const rows = ups.actions.map((action, index) => ({
+      index: theme.dim(index.toString()),
+      type: theme.highlight(action.type),
+      battery: action.thresholds ? `${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/daemon.ts

@@ -4,7 +4,7 @@ import * as path from 'node:path';
 import { exec, execFile } from 'node:child_process';
 import { promisify } from 'node:util';
 import { NupstSnmp } from './snmp/manager.ts';
-import type { ISnmpConfig } from './snmp/types.ts';
+import type { ISnmpConfig, IUpsStatus as ISnmpUpsStatus } from './snmp/types.ts';
 import { logger, type ITableColumn } from './logger.ts';
 import { MigrationRunner } from './migrations/index.ts';
 import { theme, symbols, getBatteryColor, getRuntimeColor, formatPowerStatus } from './colors.ts';
@@ -76,7 +76,7 @@ export interface INupstConfig {
 /**
  * UPS status tracking interface
  */
-interface IUpsStatus {
+export interface IUpsStatus {
   id: string;
   name: string;
   powerStatus: 'online' | 'onBattery' | 'unknown';
@@ -96,7 +96,7 @@ export class NupstDaemon {
 
   /** Default configuration */
   private readonly DEFAULT_CONFIG: INupstConfig = {
-    version: '4.1',
+    version: '4.2',
     upsDevices: [
       {
         id: 'default',
@@ -171,11 +171,13 @@ export class NupstDaemon {
       const { config: migratedConfig, migrated } = await migrationRunner.run(parsedConfig);
 
       // Save migrated config back to disk if any migrations ran
+      // Cast to INupstConfig since migrations ensure the output is valid
+      const validConfig = migratedConfig as unknown as INupstConfig;
       if (migrated) {
-        this.config = migratedConfig;
+        this.config = validConfig;
         await this.saveConfig(this.config);
       } else {
-        this.config = migratedConfig;
+        this.config = validConfig;
       }
 
       return this.config;
@@ -760,7 +762,7 @@ export class NupstDaemon {
 
         const rows: Array<Record<string, string>> = [];
         let emergencyDetected = false;
-        let emergencyUps: any = null;
+        let emergencyUps: { ups: IUpsConfig; status: ISnmpUpsStatus } | null = null;
 
         // Check all UPS devices
         for (const ups of this.config.upsDevices) {

ts/migrations/base-migration.ts

@@ -28,18 +28,18 @@ export abstract class BaseMigration {
   /**
    * Check if this migration should run on the given config
    *
-   * @param config - Raw configuration object to check
+   * @param config - Raw configuration object to check (unknown schema for migrations)
    * @returns True if migration should run, false otherwise
    */
-  abstract shouldRun(config: any): Promise<boolean>;
+  abstract shouldRun(config: Record<string, unknown>): Promise<boolean>;
 
   /**
    * Perform the migration on the given config
    *
-   * @param config - Raw configuration object to migrate
+   * @param config - Raw configuration object to migrate (unknown schema for migrations)
    * @returns Migrated configuration object
    */
-  abstract migrate(config: any): Promise<any>;
+  abstract migrate(config: Record<string, unknown>): Promise<Record<string, unknown>>;
 
   /**
    * Get human-readable name for this migration

ts/migrations/index.ts

@@ -8,4 +8,4 @@ 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_1ToV4_2 } from './migration-v4.1-to-v4.2.ts';
+export { MigrationV4_0ToV4_1 } from './migration-v4.0-to-v4.1.ts';

ts/migrations/migration-runner.ts

@@ -1,7 +1,7 @@
 import { BaseMigration } from './base-migration.ts';
 import { MigrationV1ToV2 } from './migration-v1-to-v2.ts';
 import { MigrationV3ToV4 } from './migration-v3-to-v4.ts';
-import { MigrationV4_1ToV4_2 } from './migration-v4.1-to-v4.2.ts';
+import { MigrationV4_0ToV4_1 } from './migration-v4.0-to-v4.1.ts';
 import { logger } from '../logger.ts';
 
 /**
@@ -18,7 +18,7 @@ export class MigrationRunner {
     this.migrations = [
       new MigrationV1ToV2(),
       new MigrationV3ToV4(),
-      new MigrationV4_1ToV4_2(),
+      new MigrationV4_0ToV4_1(),
       // Add future migrations here (v4.3, v4.4, etc.)
     ];
 
@@ -32,7 +32,9 @@ export class MigrationRunner {
    * @param config - Raw configuration object to migrate
    * @returns Migrated configuration and whether migrations ran
    */
-  async run(config: any): Promise<{ config: any; migrated: boolean }> {
+  async run(
+    config: Record<string, unknown>,
+  ): Promise<{ config: Record<string, unknown>; migrated: boolean }> {
     let currentConfig = config;
     let anyMigrationsRan = false;
 

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

@@ -2,7 +2,7 @@ import { BaseMigration } from './base-migration.ts';
 import { logger } from '../logger.ts';
 
 /**
- * Migration from v4.1 to v4.2
+ * Migration from v4.0 to v4.1
  *
  * Major changes:
  * 1. Moves thresholds from UPS level to action level
@@ -10,24 +10,23 @@ import { logger } from '../logger.ts';
  * 3. Adds empty actions array to UPS devices without actions
  * 4. Adds empty actions array to groups
  *
- * Transforms v4.1 format (with UPS-level thresholds):
+ * Transforms v4.0 format (with UPS-level thresholds):
  * {
- *   version: "4.1",
+ *   version: "4.0",
  *   upsDevices: [
  *     {
  *       id: "ups-1",
  *       name: "UPS 1",
  *       snmp: {...},
  *       thresholds: { battery: 60, runtime: 20 },  // UPS-level
- *       groups: [],
- *       actions: []
+ *       groups: []
  *     }
  *   ]
  * }
  *
- * To v4.2 format (with action-level thresholds):
+ * To v4.1 format (with action-level thresholds):
  * {
- *   version: "4.2",
+ *   version: "4.1",
  *   upsDevices: [
  *     {
  *       id: "ups-1",
@@ -46,34 +45,35 @@ import { logger } from '../logger.ts';
  *   ]
  * }
  */
-export class MigrationV4_1ToV4_2 extends BaseMigration {
-  readonly fromVersion = '4.1';
-  readonly toVersion = '4.2';
+export class MigrationV4_0ToV4_1 extends BaseMigration {
+  readonly fromVersion = '4.0';
+  readonly toVersion = '4.1';
 
-  async shouldRun(config: any): Promise<boolean> {
-    // Run if config is version 4.1
-    if (config.version === '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 (v4.1 format)
-    if (config.upsDevices && config.upsDevices.length > 0) {
-      const firstDevice = config.upsDevices[0];
-      // v4.1 has thresholds at UPS level, v4.2 has them in actions
+    // 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: any): Promise<any> {
-    logger.info(`${this.getName()}: Migrating v4.1 config to v4.2 format...`);
+  async migrate(config: Record<string, unknown>): Promise<Record<string, unknown>> {
+    logger.info(`${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 migratedDevices = (config.upsDevices || []).map((device: any) => {
-      const migrated: any = {
+    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,
@@ -81,20 +81,21 @@ export class MigrationV4_1ToV4_2 extends BaseMigration {
       };
 
       // If device has thresholds at UPS level, convert to shutdown action
-      if (device.thresholds) {
+      const deviceThresholds = device.thresholds as { battery: number; runtime: number } | undefined;
+      if (deviceThresholds) {
         migrated.actions = [
           {
             type: 'shutdown',
             thresholds: {
-              battery: device.thresholds.battery,
-              runtime: device.thresholds.runtime,
+              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: ${device.thresholds.battery}%, runtime: ${device.thresholds.runtime}min)`,
+          `    → ${device.name}: Created shutdown action (battery: ${deviceThresholds.battery}%, runtime: ${deviceThresholds.runtime}min)`,
         );
       } else {
         // No thresholds, just add empty actions array
@@ -105,7 +106,8 @@ export class MigrationV4_1ToV4_2 extends BaseMigration {
     });
 
     // Add actions to groups
-    const migratedGroups = (config.groups || []).map((group: any) => ({
+    const groups = (config.groups as Array<Record<string, unknown>>) || [];
+    const migratedGroups = groups.map((group) => ({
       ...group,
       actions: group.actions || [],
     }));

ts/nupst.ts

@@ -6,6 +6,7 @@ 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';
 
 /**
@@ -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 = '';
 
@@ -36,6 +38,7 @@ export class Nupst {
     this.upsHandler = new UpsHandler(this);
     this.groupHandler = new GroupHandler(this);
     this.serviceHandler = new ServiceHandler(this);
+    this.actionHandler = new ActionHandler(this);
   }
 
   /**
@@ -80,6 +83,13 @@ export class Nupst {
     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

ts/systemd.ts

@@ -1,7 +1,8 @@
 import process from 'node:process';
 import { promises as fs } from 'node:fs';
 import { execSync } from 'node:child_process';
-import { NupstDaemon } from './daemon.ts';
+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';
 
@@ -277,14 +278,23 @@ WantedBy=multi-user.target
           await this.displaySingleUpsStatus(ups, snmp);
         }
       } else if (config.snmp) {
-        // Legacy single UPS configuration
+        // Legacy single UPS configuration (v1/v2 format)
         logger.info('UPS Devices (1):');
-        const legacyUps = {
+        const legacyUps: IUpsConfig = {
           id: 'default',
           name: 'Default UPS',
           snmp: config.snmp,
-          thresholds: config.thresholds,
           groups: [],
+          actions: config.thresholds
+            ? [
+                {
+                  type: 'shutdown',
+                  thresholds: config.thresholds,
+                  triggerMode: 'onlyThresholds',
+                  shutdownDelay: 5,
+                },
+              ]
+            : [],
         };
 
         await this.displaySingleUpsStatus(legacyUps, snmp);
@@ -307,7 +317,7 @@ WantedBy=multi-user.target
    * @param ups UPS configuration
    * @param snmp SNMP manager
    */
-  private async displaySingleUpsStatus(ups: any, snmp: any): Promise<void> {
+  private async displaySingleUpsStatus(ups: IUpsConfig, snmp: NupstSnmp): Promise<void> {
     try {
       // Create a test config with a short timeout
       const testConfig = {
@@ -330,7 +340,16 @@ WantedBy=multi-user.target
 
       // Display battery with color coding
       const batteryColor = getBatteryColor(status.batteryCapacity);
-      const batterySymbol = status.batteryCapacity >= ups.thresholds.battery ? symbols.success : symbols.warning;
+
+      // 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