{
  "kind": "pressure_observation",
  "expect": "valid",
  "description": "Claude pressure observation with token usage breakdown",
  "data": {
    "adapter_id": "claude",
    "adapter_version": "0.1.0",
    "observed_at_epoch_s": 1778100100,
    "model_name": "claude-sonnet-4",
    "total_tokens": 145000,
    "context_window_tokens": 200000,
    "context_used_pct": 72,
    "compaction_signal": false,
    "usage": {
      "input_tokens": 120000,
      "output_tokens": 25000,
      "cache_creation_input_tokens": 5000,
      "cache_read_input_tokens": 1000
    }
  }
}
