{
  "format": "com.obdlens.analysis-session",
  "version": 1,
  "source": {
    "producer": "Synthetic demonstration — not vehicle evidence",
    "version": "1"
  },
  "session": {
    "startedAtUtc": "2026-10-30T00:00:00Z",
    "durationMs": 2000
  },
  "vehicle": {
    "profileId": null,
    "catalogRevision": null
  },
  "signals": [
    {
      "id": "rpm",
      "key": "01-0c",
      "name": "Engine speed",
      "unit": "rpm",
      "origin": "standard",
      "ecu": "demo-engine"
    },
    {
      "id": "temp",
      "key": "demo:enhanced-temperature",
      "name": "Illustrative enhanced temperature",
      "unit": "°C",
      "origin": "enhanced",
      "ecu": "demo-module"
    }
  ],
  "samples": [
    {
      "signalId": "rpm",
      "tMs": 0,
      "value": 800,
      "quality": "valid"
    },
    {
      "signalId": "rpm",
      "tMs": 1000,
      "value": 820,
      "quality": "valid"
    },
    {
      "signalId": "temp",
      "tMs": 1000,
      "value": null,
      "quality": "no_data"
    },
    {
      "signalId": "temp",
      "tMs": 2000,
      "value": 42,
      "quality": "valid"
    }
  ],
  "dtcs": [
    {
      "code": "P0420",
      "status": "stored",
      "ecu": "demo-engine",
      "observedAtMs": 1500
    }
  ]
}