{
  "id": "filesystem-ls-basic",
  "ruleId": "filesystem/ls",
  "input": {
    "toolName": "exec",
    "argv": ["ls", "-la"],
    "command": "ls -la",
    "combinedText": "README.md\nsrc\ntest\n",
    "exitCode": 0
  },
  "expect": {
    "matchedReducer": "filesystem/ls",
    "family": "filesystem-listing",
    "contains": ["item", "README.md"]
  }
}