{
  "checker": {
    "claims": [
      {
        "claim": "Ruler applies rules to configuration files of supported AI agents.",
        "command": "npx -y -p node@22.12.0 node dist/cli/index.js apply --project-root <guest-path> --agents copilot --no-gitignore",
        "evidence": "Applying rules for GitHub Copilot...\nRuler apply completed successfully.\n(node:8735) ExperimentalWarning: CommonJS module <guest-path> is loading ES Module <guest-path> using require().\nSupport for loading ES Module in require() is an experimental feature and might change at any time\n(Use `node --trace-warnings ...` to show where the warning was created)\n",
        "expected": "Applying rules for GitHub Copilot",
        "input": "demo/.ruler/AGENTS.md",
        "kind": "claim",
        "outcome": "Real input produced the expected result: Applying rules for GitHub Copilot",
        "returncode": 0,
        "source": "Ruler applies these rules to configuration files of supported AI agents",
        "source_checked": true,
        "source_file": "README.md",
        "verdict": "yes"
      }
    ],
    "cycle_checks": [
      {
        "claim": "Scheduled or looping main behavior",
        "command": "",
        "evidence": "README entry points provide init/apply/revert commands; no product scheduler or cycle mechanism found.",
        "expected": "identify the product trigger",
        "input": "source inspection",
        "kind": "cycle",
        "outcome": "README entry points provide init/apply/revert commands; no product scheduler or cycle mechanism found.",
        "source": "repository entry points",
        "verdict": "yes"
      }
    ],
    "details": {
      "argv": [
        "npx",
        "-y",
        "-p",
        "node@22.12.0",
        "node",
        "dist/cli/index.js",
        "apply",
        "--project-root",
        "<guest-path>",
        "--agents",
        "copilot",
        "--no-gitignore"
      ],
      "kind": "cli",
      "needs_browser": false,
      "needs_credentials": false,
      "returncode": 0,
      "scope": "product operation",
      "stderr": "(node:8708) ExperimentalWarning: CommonJS module <guest-path> is loading ES Module <guest-path> using require().\nSupport for loading ES Module in require() is an experimental feature and might change at any time\n(Use `node --trace-warnings ...` to show where the warning was created)",
      "stdout": "[ruler] Applying rules for GitHub Copilot...\nRuler apply completed successfully.",
      "working": true
    },
    "evidence_strength": "readme_checked",
    "example_checks": [
      {
        "claim": "Initialize Ruler configuration",
        "command": "npx -y -p node@22.12.0 node dist/cli/index.js init --project-root <guest-path>",
        "deferred": false,
        "evidence": "[ruler] AGENTS.md already exists, skipping\n[ruler] ruler.toml already exists, skipping\n(node:8763) ExperimentalWarning: CommonJS module <guest-path> is loading ES Module <guest-path> using require().\nSupport for loading ES Module in require() is an experimental feature and might change at any time\n(Use `node --trace-warnings ...` to show where the warning was created)",
        "expected": "Created .ruler/AGENTS.md and .ruler/ruler.toml",
        "input": "demo project",
        "kind": "example",
        "outcome": "command completed successfully",
        "returncode": 0,
        "source": "README.md / Getting Started / Project Initialisation",
        "verdict": "yes"
      }
    ],
    "status": "PASS"
  },
  "deviations": [
    "Ubuntu packaged Node 18.19.1 was below README requirement; used npx node@22.12.0 at runtime.",
    "Global npm install not used; local documented build produces CLI at dist/cli/index.js."
  ],
  "fault_owner": null,
  "main_blocker": null,
  "operation": "Initialize and apply agent rules using Ruler CLI",
  "operation_scope": "Node.js 22.12.0 via npx; npm dependencies installed; built from pinned source",
  "outcome": "working",
  "plain_failure": null,
  "steps": [
    "npm install",
    "npm run build",
    "ruler init --project-root demo",
    "ruler apply --project-root demo --agents copilot --no-gitignore"
  ],
  "stuck_step": null,
  "suggested_fix": null
}