{
  "protocol_version": "tteop/0.1-draft",
  "metric_spec_version": "tteop-metrics/0.1-draft",
  "collector_version": "openai-collector/0.5.0",
  "operator": {
    "pseudonymous_key": "op_b3c8e1f7a2d6",
    "cohort_id": null
  },
  "observation": {
    "timestamp": "2026-08-28T14:30:00Z",
    "window_start": "2026-08-28T14:00:00Z",
    "window_end": "2026-08-28T14:30:00Z",
    "window_duration_seconds": 1800
  },
  "source": {
    "tool": "cursor",
    "platform": "vscode",
    "provider": "openai",
    "model": "gpt-4o",
    "adapter_id": "openai-v1",
    "adapter_version": "1.0.0"
  },
  "telemetry": {
    "input": 8500,
    "output": 3200,
    "cache_write": null,
    "cache_read": 1500
  },
  "raw_provider_fields": {
    "usage.prompt_tokens": 10000,
    "usage.completion_tokens": 3200,
    "usage.prompt_tokens_details.cached_tokens": 1500
  },
  "validity": {
    "status": "partial",
    "missingness_flags": ["cache_write_unsupported"],
    "anomaly_flags": []
  },
  "provenance": {
    "level": "collector-attested",
    "signature_status": "unsigned"
  },
  "privacy": {
    "mode": "public-pseudonymous"
  },
  "metrics": {
    "yield": 0.07,
    "leverage": 0.2,
    "velocity": 0.376,
    "output_fraction": 0.2735,
    "log_leverage": null
  },
  "warnings": [
    "cache_write is unavailable; log_leverage is undefined.",
    "log_leverage_undefined: requires all four pillars > 0"
  ],
  "extensions": {}
}