Phase Enforcement Skill

Claude MUST check current phase before any work, REFUSE work that belongs to later phase.

Priority 1: Phase Gate Enforcement

Before any work:

1. Read .aid/state.json for current phase
2. Classify the requested work
3. Check if work is allowed
4. REFUSE if not allowed (show violation)
5. At phase completion: mandatory sub-agent review
6. After review passes: collect feedback via /aid end

Mandatory: Sub-Agent Review at Transitions