{
  "side": "head",
  "environment": "Windows Server 2025; Chromium; 1440x900; dark theme",
  "fixture": "Real OpenCode turn; stdio MCP tool opens README with a native Windows file handle for eight seconds.",
  "before": {
    "checkoutExists": true,
    "gitRegistered": true
  },
  "after": {
    "checkoutExists": false,
    "gitRegistered": false,
    "gitFilePresent": false
  }
}