{
  "lastUpdated": "2024-01-01T10:00:05Z",
  "messages": [
    {
      "content": "Read this file",
      "id": "u1",
      "timestamp": "2024-01-01T10:00:00Z",
      "type": "user"
    },
    {
      "content": "Let me read it.",
      "id": "a1",
      "model": "gemini-2.5-pro",
      "thoughts": [
        {
          "description": "I need to read the file first.",
          "subject": "Planning",
          "timestamp": "2024-01-01T10:00:01Z"
        }
      ],
      "timestamp": "2024-01-01T10:00:05Z",
      "toolCalls": [
        {
          "args": {
            "file_path": "main.go"
          },
          "displayName": "ReadFile",
          "name": "read_file",
          "status": "success"
        }
      ],
      "type": "gemini"
    }
  ],
  "projectHash": "abc123def456",
  "sessionId": "sess-uuid-2",
  "startTime": "2024-01-01T10:00:00Z"
}