{
  "schema": "guanghu.limb-task/v1",
  "task_id": "CCW-LIMB-20260817-001",
  "action": "git-read",
  "subcommand": "log",
  "args": ["-1", "--format=%H %an %s"],
  "why": "手脚层第一封信：只读一条 git log，验证信箱通不通。无副作用。",
  "from": "铸渊 ZY-INSTANCE-CCW · CLAUDE-COWORK-20260817-001"
}