{
  "checker": {
    "claims": [
      {
        "claim": "The README quickstart Python client query against the local emulator returns 42",
        "command": "uv run --with google-cloud-bigquery python -",
        "evidence": "42\n",
        "expected": "42",
        "input": "SELECT 6 * 7 AS answer via google-cloud-bigquery at http://127.0.0.1:9050",
        "kind": "claim",
        "outcome": "Real input produced the expected result: 42",
        "returncode": 0,
        "source": "Expected output: `42`. Anonymous credentials and the explicit endpoint keep this query local.",
        "source_checked": true,
        "source_file": "README.md",
        "verdict": "yes"
      },
      {
        "claim": "The README health check returns an ok status from the running server",
        "command": "curl --fail http://127.0.0.1:9050/_crucible/health",
        "evidence": "\u2026\"status\":\"ok\",\"storage\":\"memory\",\"catalogs\":1,\"duckdb\":\"1.5.6\",\"sqlglot\":\"30.23.0\",\"dialect\":\"bigquery\"}  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current\n                                 Dload  Upload   Total   Spent    Left  Speed\n\r  0     0    0     0    0     0      0      0 --:--:-- --:--:-- --:--:--     0\r100   105  100   105    0     0   3638      0 --:--:-- --:--:-- --:--:--  3750\n",
        "expected": "status ok",
        "input": "GET /_crucible/health",
        "kind": "claim",
        "outcome": "Real input produced the expected result: \"status\":\"ok\"",
        "returncode": 0,
        "source": "Check either server with `curl --fail http://127.0.0.1:9050/_crucible/health`.",
        "source_checked": true,
        "source_file": "README.md",
        "verdict": "yes"
      }
    ],
    "cycle_checks": [
      {
        "claim": "Scheduled or looping main behavior",
        "command": "",
        "evidence": "Inspected README.md, pyproject.toml and src/crucible/cli.py (subcommands: serve, corpus run/record, mirror-schema) and grepped src/, README.md and docs/ for cron, schedule, --once, --now and webhook. The emulator has no scheduler, cron, loop trigger or webhook; the only loops found are internal parsing/hash loops.",
        "expected": "identify the product trigger",
        "input": "source inspection",
        "kind": "cycle",
        "outcome": "Inspected README.md, pyproject.toml and src/crucible/cli.py (subcommands: serve, corpus run/record, mirror-schema) and grepped src/, README.md and docs/ for cron, schedule, --once, --now and webhook. The emulator has no scheduler, cron, loop trigger or webhook; the only loops found are internal parsing/hash loops.",
        "source": "repository entry points",
        "verdict": "yes"
      }
    ],
    "details": {
      "argv": [
        "uv",
        "run",
        "--with",
        "google-cloud-bigquery",
        "python",
        "-"
      ],
      "kind": "cli",
      "needs_browser": false,
      "needs_credentials": false,
      "returncode": 0,
      "scope": "product operation",
      "stderr": "",
      "stdout": "42",
      "working": true
    },
    "evidence_strength": "readme_checked",
    "example_checks": [
      {
        "claim": "Basic BigQuery query against the local emulator returns an answer row",
        "command": "uv run --with google-cloud-bigquery python examples/python-bigquery/01_basic_query.py",
        "deferred": false,
        "evidence": "{'id': 1, 'name': 'ada'}\n{'answer': 4}\n3 pages: [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25]",
        "expected": "result row {'answer': 4} printed",
        "input": "examples/python-bigquery/01_basic_query.py",
        "kind": "example",
        "outcome": "command completed successfully",
        "returncode": 0,
        "source": "examples/python-bigquery/README.md Scripts table: 01_basic_query.py",
        "verdict": "yes"
      },
      {
        "claim": "Create table, INSERT, SELECT and list tables on the local emulator",
        "command": "uv run --with google-cloud-bigquery python examples/python-bigquery/02_tables.py",
        "deferred": false,
        "evidence": "inserted rows: 2\n1 ada\n2 grace\nnum_rows: 2\ntables: ['people']\ncleaned up example_aa6b52e1",
        "expected": "inserted rows: 2 printed",
        "input": "examples/python-bigquery/02_tables.py",
        "kind": "example",
        "outcome": "command completed successfully",
        "returncode": 0,
        "source": "examples/python-bigquery/README.md Scripts table: 02_tables.py",
        "verdict": "yes"
      }
    ],
    "status": "PASS"
  },
  "deviations": [
    "Quickstart client code was fed to 'uv run ... python -' via stdin from a saved copy of the README heredoc, rather than a literal heredoc, so it could be recorded as a probe. Commands and code are unchanged.",
    "Server was started by me with nohup and left running until teardown; not started by the checker.",
    "Workspace has no .git metadata, so the pinned-commit git fetch/reset step was not performed; source tree was used as delivered."
  ],
  "fault_owner": null,
  "main_blocker": null,
  "operation": "Run the Crucible BigQuery emulator with the README uv command and execute a query through the official google-cloud-bigquery Python client against it",
  "operation_scope": "Local only: Linux guest, Python 3.12.3 with uv 0.13.5 (README requires Python >=3.11), uv sync --extra server, no Docker, no real BigQuery, anonymous credentials, 127.0.0.1:9050. The shared CDP endpoint was checked (HTTP 200, Chrome/155) but this product does not need a browser.",
  "outcome": "working",
  "plain_failure": null,
  "steps": [
    "uv sync --extra server",
    "uv run crucible serve --dialect bigquery (started in background, port 9050)",
    "curl --fail http://127.0.0.1:9050/_crucible/health",
    "uv run --with google-cloud-bigquery python - (README quickstart heredoc, stdin)",
    "uv run --with google-cloud-bigquery python examples/python-bigquery/01_basic_query.py",
    "uv run --with google-cloud-bigquery python examples/python-bigquery/02_tables.py"
  ],
  "stuck_step": null,
  "suggested_fix": null
}