{"async_build":true,"endpoints":{"GET /health":"Liveness probe","GET /jobs/<job_id>":"Poll job status / result URL","GET /ready":"Readiness probe","GET /status":"Queue overview","POST /build":"Upload APK (async job by default). Returns job_id immediately."},"port":6000,"r2_enabled":true,"status":"P4V4 Stealth Builder API","version":"4.2"}