diff --git a/.serena/.gitignore b/.serena/.gitignore
new file mode 100644
index 0000000..14d86ad
--- /dev/null
+++ b/.serena/.gitignore
@@ -0,0 +1 @@
+/cache
diff --git a/.serena/project.yml b/.serena/project.yml
new file mode 100644
index 0000000..dcd38b2
--- /dev/null
+++ b/.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"
diff --git a/ts/cli/group-handler.ts b/ts/cli/group-handler.ts
index 96f1f46..bbe0fe7 100644
--- a/ts/cli/group-handler.ts
+++ b/ts/cli/group-handler.ts
@@ -1,3 +1,4 @@
+import process from 'node:process';
 import { Nupst } from '../nupst.ts';
 import { logger } from '../logger.ts';
 import * as helpers from '../helpers/index.ts';
diff --git a/ts/cli/service-handler.ts b/ts/cli/service-handler.ts
index 2b04cff..c9e3e6b 100644
--- a/ts/cli/service-handler.ts
+++ b/ts/cli/service-handler.ts
@@ -1,3 +1,4 @@
+import process from 'node:process';
 import { execSync } from "node:child_process";
 import { Nupst } from '../nupst.ts';
 import { logger } from '../logger.ts';
diff --git a/ts/cli/ups-handler.ts b/ts/cli/ups-handler.ts
index c3b530d..53c5664 100644
--- a/ts/cli/ups-handler.ts
+++ b/ts/cli/ups-handler.ts
@@ -1,3 +1,4 @@
+import process from 'node:process';
 import { execSync } from "node:child_process";
 import { Nupst } from '../nupst.ts';
 import { logger } from '../logger.ts';
diff --git a/ts/daemon.ts b/ts/daemon.ts
index 8a57933..2430976 100644
--- a/ts/daemon.ts
+++ b/ts/daemon.ts
@@ -1,3 +1,4 @@
+import process from 'node:process';
 import * as fs from "node:fs";
 import * as path from "node:path";
 import { exec, execFile } from "node:child_process";
diff --git a/ts/systemd.ts b/ts/systemd.ts
index 8cb0744..edbdc27 100644
--- a/ts/systemd.ts
+++ b/ts/systemd.ts
@@ -1,3 +1,4 @@
+import process from 'node:process';
 import { promises as fs } from "node:fs";
 import { execSync } from "node:child_process";
 import { NupstDaemon } from './daemon.ts';