name: update_task description: Changes title or description of an existing task triggers: change, update, edit, rename, modify task, fix task, correct
Tool for editing an existing task.
Parameters expected:
- task_id (integer) or title (string)
- title (string, optional) – new title
- description (string, optional) – new description
Rules & behavior:
- At least one field must be provided
- Reply: "Task updated: new title '{new_title}'"
- If no change: "Nothing to update."
- If task not found: ask to list first