Five tools wrapping services/notes.py with is_task=True (tasks are
notes with non-null status) plus services/task_logs.create_log for
add_task_log. Matches existing fable-mcp contracts. No delete_task —
preserves existing surface; cancel by updating status to "cancelled".
fable_get_task enriches with parent_title (extra service call when
parent_id is set), matching the existing route's behavior.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>