{
  "case": 228,
  "pre2_curve_peak": {
    "t": -0.80031086,
    "curvature": 0.0207018926739692,
    "desiredCurvature": 0.1855167895555496,
    "delta": -0.1648148968815804,
    "enabled": true,
    "active": true
  },
  "bracketing_vehicle": [
    {
      "t": -0.899081048,
      "vEgo": 0.048914779,
      "aEgo": -0.1142348722,
      "brakePressed": false,
      "gasPressed": false,
      "steeringPressed": true,
      "steeringAngleDeg": -86.5999984741
    },
    {
      "t": -0.799874198,
      "vEgo": 0.0342008397,
      "aEgo": -0.0875791833,
      "brakePressed": false,
      "gasPressed": false,
      "steeringPressed": true,
      "steeringAngleDeg": -86.5999984741
    }
  ],
  "last_vehicle_row": {
    "t": 9.900956539,
    "vEgo": 6.537566184997559,
    "aEgo": 1.1003576517105105,
    "brakePressed": false,
    "gasPressed": true,
    "steeringPressed": true,
    "steeringAngleDeg": 300.3999938964844
  },
  "pre10_min_accel": {
    "t": -8.913534813,
    "vEgo": 10.008753776550291,
    "aEgo": -2.4301650524139404,
    "brakePressed": true,
    "gasPressed": false
  },
  "pre10_max_accel": {
    "t": -0.099968299,
    "vEgo": 0.2125802338123321,
    "aEgo": 0.621679961681366,
    "brakePressed": false,
    "gasPressed": false
  },
  "post5_min_accel": {
    "t": 2.600589542,
    "vEgo": 0.9840324521064758,
    "aEgo": -0.3963117599487304,
    "brakePressed": false,
    "gasPressed": false
  },
  "post5_max_accel": {
    "t": 3.800413754,
    "vEgo": 2.834902763366699,
    "aEgo": 2.923100709915161,
    "brakePressed": false,
    "gasPressed": true
  },
  "post_full_min_accel": {
    "t": 7.900722614,
    "vEgo": 5.444388389587402,
    "aEgo": -0.6002545952796936,
    "brakePressed": false,
    "gasPressed": false
  },
  "post_full_max_accel": {
    "t": 3.800413754,
    "vEgo": 2.834902763366699,
    "aEgo": 2.923100709915161,
    "brakePressed": false,
    "gasPressed": true
  },
  "late_radar_source_check": {
    "source_sha256": "1eb36b57703af2eac9c089e85b38063f71cca780de855b7dd0c06045fa25de3b",
    "source_range_s": [
      -9.994564084,
      9.75719998
    ],
    "late_rows": 20,
    "speed_match_backward_tolerance_s": 0.15998452719999962,
    "note": "预制radar_native.csv仅覆盖约后5秒；此处另查源radarState后5秒，配对规则沿用prepare_cases.attach，不改事实文件。TTC不依赖车速配对。",
    "valid_ratio": 0.0,
    "ttc_s": null,
    "thw_moving_s": null,
    "ttc_under3_count": 0,
    "moving_thw_under08_count": 0
  }
}