{
  "checker": {
    "claims": [
      {
        "claim": "Unreachable CDP is reported as not checked and skipped",
        "command": "python3 close_idle_tabs.py --endpoint http://127.0.0.1:9222 --state-file <guest-path>",
        "evidence": "NOT CHECKED: nothing is listening on port 9222 (CDP endpoint unavailable; skipped this run).\n",
        "expected": "NOT CHECKED: nothing is listening on port 9222",
        "input": "--endpoint http://127.0.0.1:9222",
        "kind": "claim",
        "outcome": "Real input produced the expected result: NOT CHECKED: nothing is listening on port 9222",
        "returncode": 0,
        "source": "is available, the script prints **`NOT CHECKED: nothing is listening on port 9222`**",
        "source_checked": true,
        "source_file": "README.md",
        "verdict": "yes"
      }
    ],
    "cycle_checks": [
      {
        "claim": "Scheduled or looping main behavior",
        "command": "",
        "evidence": "Inspected the CLI entry point and README scheduling section: the product has no internal scheduler or looping mode. Each invocation observes one CDP snapshot; repeated timer runs are configured externally through optional systemd templates, so no product-owned cycle exists to trigger manually.",
        "expected": "identify the product trigger",
        "input": "source inspection",
        "kind": "cycle",
        "outcome": "Inspected the CLI entry point and README scheduling section: the product has no internal scheduler or looping mode. Each invocation observes one CDP snapshot; repeated timer runs are configured externally through optional systemd templates, so no product-owned cycle exists to trigger manually.",
        "source": "repository entry points",
        "verdict": "yes"
      }
    ],
    "details": {
      "argv": [
        "python3",
        "close_idle_tabs.py",
        "--idle-seconds",
        "600",
        "--keep",
        "https://example.com/docs/*",
        "--endpoint",
        "http://127.0.0.1:9222",
        "--state-file",
        "<guest-path>"
      ],
      "kind": "cli",
      "needs_browser": false,
      "needs_credentials": false,
      "returncode": 0,
      "scope": "product operation",
      "stderr": "NOT CHECKED: nothing is listening on port 9222 (CDP endpoint unavailable; skipped this run).",
      "stdout": "",
      "working": true
    },
    "evidence_strength": "readme_checked",
    "example_checks": [
      {
        "claim": "Documented dry-run candidate report with keep pattern",
        "command": "python3 close_idle_tabs.py --idle-seconds 600 --keep 'https://example.com/docs/*' --endpoint http://127.0.0.1:9222 --state-file <guest-path>",
        "deferred": false,
        "evidence": "NOT CHECKED: nothing is listening on port 9222 (CDP endpoint unavailable; skipped this run).",
        "expected": "NOT CHECKED: nothing is listening on port 9222",
        "input": "--idle-seconds 600 --keep https://example.com/docs/* at the supplied endpoint",
        "kind": "example",
        "outcome": "command completed successfully",
        "returncode": 0,
        "source": "README.md \u2014 Example",
        "verdict": "yes"
      },
      {
        "claim": "Documented quickstart help",
        "command": "python3 close_idle_tabs.py --help",
        "deferred": false,
        "evidence": "TATE_FILE\n                        reuse observations here (default:\n                        .close_idle_tabs_state.json in the working directory)\n  --close               close eligible pages; without this option, only report\n                        them\n  --quiet               suppress normal reports and unavailable-endpoint\n                        notices\n\nAlways protect the first real page in Chrome's list (usually the most recently\nactive). Internal pages never satisfy this guard; about:blank is a fallback\nonly when there are no real pages. Protected pages restart their idle clock\neach run.",
        "expected": "available CLI options",
        "input": "python3 close_idle_tabs.py --help",
        "kind": "example",
        "outcome": "command completed successfully",
        "returncode": 0,
        "source": "README.md \u2014 Install",
        "verdict": "yes"
      },
      {
        "claim": "Documented mocked HTTP tests",
        "command": "python3 -m unittest discover -s tests -q",
        "deferred": false,
        "evidence": "----------------------------------------------------------------------\nRan 52 tests in 0.561s\n\nOK",
        "expected": "52 tests pass",
        "input": "python3 -m unittest discover -s tests -q",
        "kind": "example",
        "outcome": "command completed successfully",
        "returncode": 0,
        "source": "README.md \u2014 Install / Automated tests",
        "verdict": "yes"
      }
    ],
    "status": "PASS"
  },
  "deviations": [
    "README example expects <env-var>; supplied guest has no configured browser endpoint, so used the documented --endpoint http://127.0.0.1:9222 form. Actual result: NOT CHECKED: nothing is listening on port 9222 (CDP endpoint unavailable; skipped this run)."
  ],
  "fault_owner": "prerequisite",
  "main_blocker": null,
  "operation": "Run the documented idle-tab dry-run example against a CDP endpoint",
  "operation_scope": "Python 3.12.3 meets Python 3.8+; no packages are required. CLI ran, but useful tab observation requires a Chrome CDP endpoint and none is available in this guest.",
  "outcome": "working",
  "plain_failure": "The tool could not inspect any tabs because Chrome's debugging endpoint was unavailable.",
  "steps": [
    "Read README and inspected CLI and example templates.",
    "Ran python3 close_idle_tabs.py --help successfully.",
    "Ran the documented dry-run example with the required endpoint option; it reported the endpoint unavailable and skipped.",
    "Ran python3 -m unittest discover -s tests -q: 52 tests passed."
  ],
  "stuck_step": "Provide an available Chrome CDP endpoint, then replay the documented dry-run example against it.",
  "suggested_fix": "Start a dedicated Chrome instance with remote debugging enabled on loopback and rerun the README example using its endpoint."
}