{
  "checker": {
    "details": {
      "argv": [
        "/tmp/monty-venv/bin/monty",
        "examples/julia.py"
      ],
      "kind": "cli",
      "needs_browser": false,
      "needs_credentials": false,
      "returncode": 0,
      "scope": "product operation",
      "stderr": "18.443ms \u276f None",
      "stdout": "                                                                                \n                                                                                \n                                                                                \n                                                                                \n                                                                                \n                                                                                \n                                                                                \n                                                                                \n                                                                                \n                                     @@..                                       \n                                   :@@%.                                        \n                                   -@@@@@=.                                     \n[excerpt truncated]",
      "working": true
    },
    "status": "PASS"
  },
  "deviations": [
    "README command `uv add pydantic-monty` is a project-level command requiring a uv project; the workspace has no project env for it, so installed into a standalone uv venv at /tmp/monty-venv instead.",
    "`python3 -m venv` failed (no ensurepip on guest); used `uv venv` instead.",
    "Did not build from the pinned source (make install-py / dev-py need cargo + maturin); used the published wheel instead. Not run: pytest, lint, or any unit suite, per task instructions."
  ],
  "main_blocker": null,
  "operation": "Run the repo's examples/julia.py (ASCII Julia set) inside the Monty sandbox with the `monty` CLI from pydantic-monty, per docs/cli.md (`monty file.py`); also verified `monty -c` prints.",
  "operation_scope": "Exercises the OSS Monty sandbox runtime (monty-runtime 1.2.0) from PyPI. Not exercised: the pinned-source build (cargo/maturin), JS/Rust bindings, the Python Monty() API from the README example, MCP, or the shared CDP browser (not needed).",
  "outcome": "working",
  "steps": [
    "README 'Install' heading: `uv add pydantic-monty` documented; ran equivalent `uv venv /tmp/monty-venv` + `uv pip install --python /tmp/monty-venv/bin/python pydantic-monty` (uv installed via https://astral.sh/uv/install.sh first).",
    "Verified import: pydantic_monty loads from /tmp/monty-venv.",
    "docs/cli.md: `/tmp/monty-venv/bin/monty --version` -> monty-runtime 1.2.0.",
    "docs/cli.md: `monty examples/julia.py` -> rendered Julia set, rc=0.",
    "docs/cli.md: `monty -c \"print('hello from monty', 2+2)\"` -> 'hello from monty 4', rc=0.",
    "Wrote .coldpass/probe.json (kind cli, argv monty examples/julia.py)."
  ],
  "stuck_step": null,
  "suggested_fix": null
}