{
  "revision": "b-refine-r01-frozen-20261029T200939+0900",
  "status": "review_only_not_adoption_ready",
  "holdout_08_09_opened_at_freeze": false,
  "selection_limit": "Bounded 486 directed and 36 seed-follow development configurations. No further adjustment after freeze.",
  "candidates": [
    {
      "id": "B1_Directed",
      "title": "B1 직접 근거 우선",
      "search_report": "search.json",
      "search_index": 242,
      "selection_reason": "Development primary-negative condition frames 3, other-negative 2, positive 23 across five positive inputs. Suppression-focused contrast, but positive coverage remains insufficient.",
      "config": {"speed_min": 0.55, "near_max": 0.14, "approach_speed_min": 0.3, "extension_speed_min": 0.2, "cosine_min": 0.45, "foot_vertical_max": 0.4, "min_samples": 3, "window": 1.0}
    },
    {
      "id": "B2_SeedFollow",
      "title": "B2 관측된 후속 움직임 포함",
      "search_report": "search_seed_follow.json",
      "search_index": 31,
      "selection_reason": "Development primary-negative condition frames 20, other-negative 6, positive 54 across five positive inputs. More coverage than B1 but more nonfight signals; not a validated fight detector.",
      "config": {"family": "seed_follow", "speed_min": 0.7, "near_max": 0.14, "approach_speed_min": 0.3, "extension_speed_min": 0.0, "cosine_min": 0.45, "foot_vertical_max": 0.4, "min_samples": 3, "window": 1.0, "seed_seconds": 0.6}
    }
  ],
  "representative_clips": ["01_camera24_fight", "02_camera22_crowd", "03_camera27_fall", "07_KISA_fight_C00_015_0009", "08_KISA_fight_C00_018_0012", "14_KISA_fall_C00_051_0002", "SELF_C09", "SELF_C13", "SELF_C14"],
  "representative_reason": "Required 01/02/03/14, development fight 07, previously untouched confirmation 08, self-filmed mixed positive C09/C14 and nonfight C13. Full traces for all 37 clips; no L01 evaluation.",
  "limits": ["Approximate user intervals, not exact GT", "Cxx overlaps deduplicated by review-frame for aggregate reference counts", "Missing observations are not negative labels", "No live FPS or Event-quality claim", "No adoption before user review"]
}