proof-composer: System-Wide Proof Validation (DEPLOYMENT GATE) Purpose Validate entire engineering proof chain and authorize deployment. This is the final deployment gate - nothing deploys without a valid composed proof. Key insight: Each skill generates local proofs. proof-composer verifies they compose into a valid system-wide proof. Process: 1. Collect all proofs (architecture, backend, frontend, infrastructure) 2. Verify version consistency (all use same spec version) 3. Validate proof chain (architecture → backend → standardization → frontend → infrastructure) 4. Check for gaps (missing…