{
  "dataset": "ADAS-TO",
  "case_id": "ADAS_TO_RISK_0107",
  "vehicle_model": "TESLA_MODEL_X",
  "driver": "driver_251",
  "route": "route_017",
  "video_event_s": 10.0,
  "video_anchor_source": "meta.video_time_s - meta.clip_start_s",
  "old_primary_risk": "路径曲率跟踪风险",
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  "old_indicators": "lane probability=0.025; curvature error=0.0031/m; post steer=99.5deg",
  "old_action_label": "混合操作接管",
  "alert_text_status": "两列提示文字在所记录的退出前10秒均为空",
  "alert_rows_checked": 100,
  "alert_observed_range_s": [
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      "thw_s_threshold": {
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    "driver_steer_pressed_on": [
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    "cruise_off": [
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    "driver_flags_at_first_record": {
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  "quality": {
    "radar_large_distance_jumps_s": [],
    "radar_target_loss_s": [
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    "video_precontext_s": 10,
    "source_sampling": {
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    "alignment": "0.05秒公共网格，向后取最近已记录值；容差为各流采样周期1.6倍，限于0.035至0.5秒；不插值。原始采样统计另算。雷达距离与相对速度汇总仅用目标有效记录。",
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  "visual_review_status": "reviewed",
  "review_note": "自动提取的事实，不代表已经完成画面复核或致因判断。"
}