{
  "session_id": "01a0090b-1d56-7df0-92b7-0512e339f3da",
  "transcript_path": "<redacted: conversation transcript>",
  "cwd": "/tmp/example-workspace",
  "hook_event_name": "SessionStart",
  "model": "gpt-5.6-sol",
  "permission_mode": "bypassPermissions",
  "source": "startup"
}