{
  "schema": "next-athlete-os-dev-release-status-v1",
  "release": "RC53",
  "title": "Dev tooling cleanup + release guard",
  "createdAt": "2026-05-22",
  "runtimeStatus": {
    "latestPackage": "RC53",
    "acceptedRuntimeBase": "RC49",
    "runtimeChangesAfterAcceptedBase": false,
    "notes": "RC50-RC53 add review/test/dev tooling on top of the accepted RC49 special prop-binding runtime."
  },
  "releaseGuard": {
    "mode": "development-testcenter",
    "doNotActivateBroadRuntimeWithoutVisualQA": true,
    "rollbackTarget": "next_v97_rc49_special_prop_binding_DEPLOY.zip",
    "safeTestUrl": "preview.html?v=rc53#testcenter",
    "motionLabUrl": "preview.html?v=rc53&motionlab=1#pass"
  },
  "knownReviewHolds": [
    "chest-pass",
    "rotational-throw",
    "broad-jump",
    "buddy-hamstring-curls runtime MediaPipe activation held",
    "box-jump / seated-box-jump prop review still required before full autonomy"
  ],
  "tools": [
    {"name":"Motion Lab", "url":"preview.html?v=rc53&motionlab=1#pass", "purpose":"Live pass runtime verification"},
    {"name":"Visual review + correction", "url":"tools/visual_review_correction_lab.html?v=rc53", "purpose":"Frame-by-frame visual issue flagging"},
    {"name":"Motion trace verifier", "url":"tools/motion_trace_verifier_lab.html?v=rc53", "purpose":"Data/anchor/timing verification"},
    {"name":"Special prop binding", "url":"tools/special_prop_binding_lab.html?v=rc53", "purpose":"Object/bar/box/buddy movement gates"},
    {"name":"Physio movement blueprint", "url":"tools/physio_motion_blueprint_lab.html?v=rc53", "purpose":"Movement truth and skeleton target review"},
    {"name":"MediaPipe extractor", "url":"tools/mediapipe_pose_extract_browser.html?v=rc53", "purpose":"Atlas landmark extraction"},
    {"name":"Video / Screen Pose Capture", "url":"tools/video_screen_pose_capture_lab.html?v=rc53", "purpose":"Reference video/screen skeleton capture"}
  ],
  "qaBaseline": {
    "poseKeys": 144,
    "athleteSprites": 288,
    "expectedSequenceFrames": 136,
    "screenshots": "Fallback static HTML/PDF/PNG QA only in sandbox; browser-live QA must be done on deployed nextnarvik.no."
  }
}