[
  {
    "id": "UPD-000",
    "type": "SYSTEM_INIT",
    "timestamp": "2026-04-04T14:00:00Z",
    "description": "光湖团队接入系统 v2.0 安装 · COS桶通信版 · 由铸渊签发",
    "by": "TCS-ZY001"
  }
]