SKILL.md Composable Patterns When to use Writing useAuth, useApi, or Firestore data composables Choosing between FastAPI JWT vs Firebase client patterns Reviewing composable error handling and token refresh Instructions Read context/fastapi-jwt.md for REST + JWT projects. Read context/firebase-client.md for Firebase/Firestore projects. Optional: python scripts/validate_composable.py --path src/composables/useX.ts Notes Prefer context docs over improvising interceptors or security rules.