{
  "checker": {
    "claims": [
      {
        "claim": "The README documents a first-run clicker operation.",
        "command": "",
        "evidence": "The README first-run command was attempted; its actual error was TYPESAFE_API_KEY is not set. The browser fixture operation was also attempted; its actual error was no Chrome/Chromium binary found.",
        "expected": "a dry-run step is printed",
        "input": "documented first run",
        "kind": "claim",
        "outcome": "The README first-run command was attempted; its actual error was TYPESAFE_API_KEY is not set. The browser fixture operation was also attempted; its actual error was no Chrome/Chromium binary found.",
        "source": "uv run clicker \"open the Playground\"",
        "source_checked": true,
        "source_file": "README.md",
        "verdict": "blocked"
      }
    ],
    "cycle_checks": [
      {
        "claim": "Scheduled or looping main behavior",
        "command": "",
        "evidence": "Inspected README entrypoints, browser benchmark and CLI: this project is an interactive computer-use tool with no scheduled or recurring product cycle. The loop runs only when invoked by a user.",
        "expected": "identify the product trigger",
        "input": "source inspection",
        "kind": "cycle",
        "outcome": "Inspected README entrypoints, browser benchmark and CLI: this project is an interactive computer-use tool with no scheduled or recurring product cycle. The loop runs only when invoked by a user.",
        "source": "repository entry points",
        "verdict": "yes"
      }
    ],
    "details": {
      "checks": [
        {
          "check": "install",
          "details": {
            "argv": [
              "<guest-path>",
              "sync",
              "--frozen"
            ],
            "kind": "cli",
            "needs_browser": false,
            "needs_credentials": false,
            "returncode": 0,
            "scope": "partial: install",
            "stderr": "Checked 33 packages in 28ms",
            "stdout": "",
            "working": false
          },
          "optional": false,
          "status": "PASS"
        },
        {
          "check": "credentials_error",
          "details": {
            "argv": [
              "<guest-path>",
              "open the Playground"
            ],
            "kind": "cli",
            "needs_browser": false,
            "needs_credentials": true,
            "returncode": 1,
            "scope": "partial: missing credentials",
            "stderr": "TYPESAFE_API_KEY is not set (export it or put it in .env)",
            "stdout": "",
            "working": false
          },
          "optional": false,
          "status": "PASS"
        }
      ],
      "scope": "partial checks",
      "working": false
    },
    "evidence_strength": "nothing_checked",
    "example_checks": [
      {
        "claim": "Install the project using the README setup command.",
        "command": "<guest-path> sync --frozen",
        "deferred": false,
        "evidence": "Checked 33 packages in 30ms",
        "expected": "Project environment and dependencies installed",
        "input": "uv sync --frozen on Python 3.12.3",
        "kind": "example",
        "outcome": "command completed successfully",
        "returncode": 0,
        "source": "README.md / Install",
        "verdict": "yes"
      },
      {
        "claim": "Run documented contributor checks.",
        "command": "<guest-path> check .",
        "deferred": false,
        "evidence": "All checks passed!",
        "expected": "All CI checks succeed",
        "input": "ruff check, ruff format check, pytest",
        "kind": "example",
        "outcome": "command completed successfully",
        "returncode": 0,
        "source": "README.md / Contributing",
        "verdict": "yes"
      }
    ],
    "status": "PASS"
  },
  "deviations": [
    "Attempted documented clicker-bench perception --fixture --n 1; actual error: no Chrome/Chromium binary found. The documented sandbox workflow needs Docker; docker command is unavailable. Browser installation is prohibited."
  ],
  "fault_owner": "prerequisite",
  "main_blocker": "The VM has no Chromium or Docker. The first-run clicker also requires TYPESAFE_API_KEY, which is not configured.",
  "operation": "Install and attempt README browser fixture benchmark",
  "operation_scope": "Python 3.12.3 setup succeeded; actual first-run operation gated by API key and browser fixture gated by Chromium",
  "outcome": "needs_credentials",
  "plain_failure": "The project installed and its CI checks passed. A useful computer operation could not run: the fixture benchmark needs Chromium, and the README first run needs a TypeSafe API key.",
  "steps": [
    "Installed uv using the README installer.",
    "Ran uv sync --frozen successfully.",
    "Ran documented CI commands: ruff check, ruff format --check, pytest -q; 729 passed, 3 skipped, 1 xfailed.",
    "Replayed installation and README first-run credential check through checker."
  ],
  "stuck_step": "Run a useful browser fixture operation",
  "suggested_fix": "Use an environment with the documented sandbox's Docker/Chromium prerequisite and configure TYPESAFE_API_KEY to run the interactive operation."
}
