{
  "version": "fire_smoke_v20260728",
  "prev_version": "fire_smoke_v20260722",
  "generated_at": "2026-07-30 06:44:22",
  "data_diff": {
    "consumed": {
      "prev": 166804,
      "curr": 172941,
      "delta": 6137
    },
    "note": "+6137 華周新場景"
  },
  "accuracy_diff": {
    "test_set": "v728 test",
    "smoke_AP": {
      "prev": 0.9567,
      "curr": 0.9622
    },
    "smoke_FP_at_R90": {
      "prev": 692,
      "curr": 593,
      "pct": "-14.3%"
    },
    "verdict": "AP+0.006 FP@R90 −14.3% 降誤報,上版"
  }
}