Phase 51 PHP syntax: 141/141 passed Static implementation checks: 9/9 passed media upload helper validates MIME and size: PASS media send helper builds typed payload: PASS inbox media action present: PASS inbox enforces 24h consent and opt-out: PASS secure media endpoint role protected: PASS secure endpoint branch and tenant scoped: PASS secure endpoint MIME allowlist: PASS inbox has protected media links: PASS phase register updated: PASS