Create or update technical plan files under .specs/{feature}/plan.md from an approved spec.
Verify implementation against .specs validation and .tasks acceptance criteria. Use for /qa and /review.
Run a hands-free SDD software factory from user intent. Use for /factory. Converts intent into specs, plans, task groups, bounded delegation, model routing, verification, progress logging, and approval gates.
Create or update .specs feature specifications from product intent. Use for /spec and early product discovery.
Create or update Linear-style task group trackers from specs, audits, reviews, plans, user requests, or implementation findings. Use when Codex needs to maintain a .tasks/YYYY-MM-DD-{task-group}-TASKS.md file.