Authenticate Runtime
Runtime requests send:
Authorization: Bearer <agent_jwt>
Token is verified and matched against existing agent row by (agent_id, user_id).
Invalid/missing token returns 401 with UNAUTHORIZED error payload on JSON endpoints.
Runtime requests send:
Authorization: Bearer <agent_jwt>
Token is verified and matched against existing agent row by (agent_id, user_id).
Invalid/missing token returns 401 with UNAUTHORIZED error payload on JSON endpoints.