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
