{
  "case_id": "ADAS_TO_RISK_0077",
  "nearby_points": [
    {
      "requested_t": -3.0594,
      "record_t": -3.059439686,
      "speed_kmh": 58.740264129638675,
      "accel_mps2": -0.9220434427261353,
      "steer_deg": 0.4000000059604645,
      "gas": false,
      "brake": true
    },
    {
      "requested_t": -1.2968,
      "record_t": -1.299838645,
      "speed_kmh": 41.718823242187504,
      "accel_mps2": -2.93721342086792,
      "steer_deg": -2.400000095367432,
      "gas": false,
      "brake": true
    },
    {
      "requested_t": 0,
      "record_t": 0.0,
      "speed_kmh": 29.276099395751952,
      "accel_mps2": -2.318815231323242,
      "steer_deg": -0.8999999761581421,
      "gas": false,
      "brake": true
    },
    {
      "requested_t": 0.8512,
      "record_t": 0.850593177,
      "speed_kmh": 20.30767650604248,
      "accel_mps2": -3.1289193630218506,
      "steer_deg": 0.3000000119209289,
      "gas": false,
      "brake": true
    },
    {
      "requested_t": 1.1304,
      "record_t": 1.130433281,
      "speed_kmh": 16.05380802154541,
      "accel_mps2": -4.273483753204346,
      "steer_deg": 1.399999976158142,
      "gas": false,
      "brake": true
    },
    {
      "requested_t": 4.1908,
      "record_t": 4.190796092,
      "speed_kmh": -0.06564291492104497,
      "accel_mps2": -0.3058115541934967,
      "steer_deg": 0.8999999761581421,
      "gas": false,
      "brake": true
    },
    {
      "requested_t": 5.0998,
      "record_t": 5.099807342,
      "speed_kmh": 1.1308256506919858,
      "accel_mps2": 0.6886412501335144,
      "steer_deg": 1.2999999523162842,
      "gas": false,
      "brake": false
    },
    {
      "requested_t": 5.5602,
      "record_t": 5.560150467,
      "speed_kmh": 2.1028915643692017,
      "accel_mps2": 0.5545592904090881,
      "steer_deg": 1.2000000476837158,
      "gas": false,
      "brake": false
    },
    {
      "requested_t": 9.99,
      "record_t": 9.99048958,
      "speed_kmh": 24.427762413024904,
      "accel_mps2": 2.528383016586304,
      "steer_deg": 1.7000000476837158,
      "gas": false,
      "brake": false
    }
  ],
  "whole_post_min_speed": {
    "t": 4.190796092,
    "speed_kmh": -0.06564291492104497
  },
  "old_event_window_min_ttc": {
    "t": 0.152574583,
    "lead_valid": 1.0,
    "distance_m": 16.7456245422,
    "relative_speed_mps": -7.6389613152,
    "lead_y_m": 0.0301361084,
    "ttc_s": 2.1921337013,
    "thw_s": 2.1566680937,
    "thw_moving_s": 2.1566680937
  },
  "old_metric_provenance": {
    "window": [
      -0.5,
      0.2
    ],
    "analysis_code_sha256": "2b9f40f26c558b3341a64af617df747080c998565f6d60e96e028eaac1d64508",
    "extraction_code_sha256": "6ea316d3228e1a3d56e46fd43f5ecff2cab354b3113a2d069156755f1ef7ba9c",
    "note": "旧事件窗包含事后点；不替代严格前窗最低TTC。"
  },
  "target_change_window": [
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      "t": -4.998181248,
      "lead_valid": 1.0,
      "distance_m": 26.0581245422,
      "relative_speed_mps": -1.5958862305,
      "lead_y_m": 0.1971435547,
      "ttc_s": 16.3283096531,
      "thw_s": 1.4729049211,
      "thw_moving_s": 1.4729049211
    },
    {
      "t": -4.797034165,
      "lead_valid": 1.0,
      "distance_m": 26.4799995422,
      "relative_speed_mps": -1.5451431274,
      "lead_y_m": 0.3215332031,
      "ttc_s": 17.1375706703,
      "thw_s": 1.5068211076,
      "thw_moving_s": 1.5068211076
    },
    {
      "t": -4.595869009,
      "lead_valid": 1.0,
      "distance_m": 26.0737495422,
      "relative_speed_mps": -1.5119476318,
      "lead_y_m": 0.3505859375,
      "ttc_s": 17.245140634,
      "thw_s": 1.4956555361,
      "thw_moving_s": 1.4956555361
    },
    {
      "t": -4.397964373,
      "lead_valid": 1.0,
      "distance_m": 29.4331245422,
      "relative_speed_mps": -1.3859481812,
      "lead_y_m": 0.3000488281,
      "ttc_s": 21.2368145812,
      "thw_s": 1.702049461,
      "thw_moving_s": 1.702049461
    },
    {
      "t": -4.197058436,
      "lead_valid": 1.0,
      "distance_m": 41.3862495422,
      "relative_speed_mps": -2.8909988403,
      "lead_y_m": 0.2308349609,
      "ttc_s": 14.3155538373,
      "thw_s": 2.4124575647,
      "thw_moving_s": 2.4124575647
    },
    {
      "t": -3.996805936,
      "lead_valid": 1.0,
      "distance_m": 41.1674995422,
      "relative_speed_mps": -3.3827133179,
      "lead_y_m": 0.3098144531,
      "ttc_s": 12.1699640714,
      "thw_s": 2.4146620768,
      "thw_moving_s": 2.4146620768
    },
    {
      "t": -3.798507082,
      "lead_valid": 1.0,
      "distance_m": 42.8549995422,
      "relative_speed_mps": -3.9432678223,
      "lead_y_m": 0.43359375,
      "ttc_s": 10.8678896473,
      "thw_s": 2.5339345297,
      "thw_moving_s": 2.5339345297
    },
    {
      "t": -3.598138071,
      "lead_valid": 1.0,
      "distance_m": 47.0112495422,
      "relative_speed_mps": -3.7512435913,
      "lead_y_m": 0.2465820312,
      "ttc_s": 12.5321772361,
      "thw_s": 2.8028006817,
      "thw_moving_s": 2.8028006817
    },
    {
      "t": -3.398528228,
      "lead_valid": 1.0,
      "distance_m": 44.8237495422,
      "relative_speed_mps": -4.9024963379,
      "lead_y_m": 0.2445068359,
      "ttc_s": 9.1430460021,
      "thw_s": 2.6954436148,
      "thw_moving_s": 2.6954436148
    },
    {
      "t": -3.198162342,
      "lead_valid": 1.0,
      "distance_m": 46.5737495422,
      "relative_speed_mps": -5.7442474365,
      "lead_y_m": 0.0336608887,
      "ttc_s": 8.1078940378,
      "thw_s": 2.8323911191,
      "thw_moving_s": 2.8323911191
    }
  ]
}