{
  "kind": "pressure_observation",
  "expect": "valid",
  "description": "pressure observation that includes a compaction signal",
  "data": {
    "adapter_id": "claude",
    "observed_at_epoch_s": 1778100200,
    "model_name": "claude-sonnet-4",
    "context_used_pct": 95,
    "compaction_signal": true
  }
}
