claude-task-master/assets/claude/commands/tm/set-status/to-cancelled.md

Cancel a task permanently.

Arguments: $ARGUMENTS (task ID)

Cancelling a Task

This status indicates a task is no longer needed and won't be completed.

Valid Reasons for Cancellation

• Requirements changed
• Feature deprecated
• Duplicate of another task
• Strategic pivot
• Technical approach invalidated

Pre-Cancellation Checks

1. Confirm no critical dependencies
2. Check for partial implementation
3. Verify cancellation rationale
4. Document lessons learned

Execution

task-master set-status --id=$ARGUMENTS --status=cancelled

Cancellation Impact

When cancelling:

1. Dependency Updates

   • Notify dependent tasks
   • Update project scope
   • Recalculate timelines

2. Clean-up Actions

   • Remove related branches
   • Archive any work done
   • Update documentation
   • Close related issues

3. Learning Capture

   • Document why cancelled
   • Note what was learned
   • Update estimation models
   • Prevent future duplicates

Historical Preservation

• Keep for reference
• Tag with cancellation reason
• Link to replacement if any
• Maintain audit trail