{
 "schema": "neighbor-frames-v1",
 "windows": 151,
 "threshold_pooled3_p99": 0.3257538664340973,
 "frames": {
  "pre": "08-12 (illustrative single before frame)",
  "post": "08-27",
  "delta": "AI change field, bright line = pooled p99"
 },
 "path": "/data/neighbors/frames/{id}_{pre|post}.webp, {id}_delta.png"
}