Add a subtask to a parent task.
Add a subtask to a parent task. Arguments: $ARGUMENTS Parse arguments to create a new subtask or convert existing task. ## Adding Subtasks Creates subtasks to break down complex parent tasks into manageable pieces. ## Argument Parsing Flexible natural language: - "add subtask to 5: implement login form" - "break down 5 with: setup, implement, test" - "subtask for 5: handle edge cases" - "5: validate user input" → adds subtask to task 5 ## Execution Modes ### 1. Create New Subtask ### 2. Convert Existing Task ## Smart Features 1. **Automatic Subtask Generation** - If title co...