{
  "checker": {
    "details": {
      "argv": [
        "/tmp/mxvenv/bin/mxcontrol",
        "generate_rules",
        ".coldpass/probe.multiplexer.rules"
      ],
      "kind": "cli",
      "needs_browser": false,
      "needs_credentials": false,
      "returncode": 0,
      "scope": "product operation",
      "stderr": "",
      "stdout": ".coldpass/probe.multiplexer.rules",
      "working": true
    },
    "status": "PASS"
  },
  "deviations": [
    "README 'python3 -m venv' failed: ensurepip unavailable (python3.12-venv missing). Ran 'sudo -n apt-get install -y python3.12-venv' and retried; succeeded.",
    "Task said guest is root, but the shell runs as uid 1000; sudo -n worked for apt.",
    "The checkout's multiplexer.rules is a tracked file; the Quick start's generate_rules was run in /tmp/qs to avoid it."
  ],
  "main_blocker": null,
  "operation": "README Quick start: create a venv, pip install mx-multiplexer, generate the system rules, append peers/types, run two multiplexers, run backend.py and client.py; client printed b'HELLO' (also after the first multiplexer was stopped in the README flow not repeated). Probe: mxcontrol generate_rules to a fresh path under .coldpass.",
  "operation_scope": "Linux x86_64 guest, Python 3.12. Quick start run in /tmp/qs (not the checkout). Probe covers install and generate_rules only; the messaging round trip was verified manually, not by the probe, because it needs background servers.",
  "outcome": "working",
  "steps": [
    "python3 -m venv /tmp/mxvenv && /tmp/mxvenv/bin/pip install mx-multiplexer",
    "mxcontrol generate_rules multiplexer.rules (in /tmp/qs)",
    "appended peer/type lines per Quick start",
    "mxcontrol generate_constants multiplexer.rules --python multiplexer_constants.py",
    "mxcontrol run_multiplexer --address 127.0.0.1:1980 and :1981 in background",
    "python backend.py in background; python client.py printed b'HELLO'",
    "stopped background multiplexers and backend",
    "mxcontrol generate_rules .coldpass/probe.multiplexer.rules (probe)"
  ],
  "stuck_step": null,
  "suggested_fix": null
}