{
  "checker": {
    "details": {
      "argv": [
        "<host-path>",
        "-m",
        "tuprolog.repl.prolog"
      ],
      "kind": "cli",
      "needs_browser": false,
      "needs_credentials": false,
      "returncode": 0,
      "scope": "product operation",
      "stderr": "",
      "stdout": "\nWelcome to the Prolog REPL.\n    Usage\n        Assert a clause by typing it in.\n        Query the theory by typing ?- followed by a query.\n        Clauses and queries must end with a period, otherwise they will be\n            considered incomplete and you will be prompted for more input.\n        Run a directive by typing :- followed by a goal.\n        Type \":help\" for more information, including the list of available\n            commands that can be used by prefixing a colon \":\".\n        Type \":exit\" to exit.\n\n[excerpt truncated]",
      "working": true
    },
    "status": "PASS"
  },
  "deviations": [
    "README lists uv and Maven as requirements; uv was not present and was installed via astral.sh installer; Maven was installed via apt. Full test/static-check suites were intentionally not run."
  ],
  "main_blocker": null,
  "operation": "Prolog REPL (python -m tuprolog.repl.prolog): assert two facts and query parent(X, Y), which returns abe/homer and homer/bart",
  "operation_scope": "Core Prolog solver via JPype/JVM with bundled jdk4py; no browser, credentials or network service needed",
  "outcome": "working",
  "steps": [
    "curl -LsSf https://astral.sh/uv/install.sh | sh (installed uv)",
    "apt-get install -y maven openjdk-17-jre-headless (Maven required by README contributor section)",
    "uv sync",
    "uv run poe fetch-jars",
    "uv run python -m tuprolog.repl.prolog (queried parent(X, Y) via stdin)"
  ],
  "stuck_step": null,
  "suggested_fix": null
}