{"status":"ok","timestamp_utc":"2026-06-13T09:18:28+00:00","checks":{"database":{"status":"ok","message":"Database connection is healthy."},"agent_endpoints":{"status":"ok","message":"JWT issuer keys are configured.","active_seller_endpoints":1,"active_client_integration_keys":6,"payment_mode":"test"},"payment_gateway":{"status":"ok","mode":"test","message":"Payment keys and webhook secret are configured."},"branding_logo":{"status":"ok","path":"public\/branding\/logo.png","message":"Header logo file is present."},"platform_urls":{"status":"ok","platform_public_url":"https:\/\/ai-quadra.com","agent_jwt_issuer":"https:\/\/ai-quadra.com","message":"Platform public URL uses HTTPS."}}}