{
  "checker": {
    "details": {
      "argv": [
        "<host-path>",
        "<host-path>",
        "8766",
        "--no-browser"
      ],
      "bytes": 68991,
      "kind": "http",
      "scope": "product operation",
      "status": 200,
      "url": "http://127.0.0.1:8766/",
      "working": true
    },
    "status": "PASS"
  },
  "deviations": [
    "README 'Install' step python3 -m venv .venv failed with ensurepip not available; ran apt-get install python3.12-venv, then recreated .venv."
  ],
  "main_blocker": null,
  "operation": "Started the Dantzig-Wolfe local GUI server (README 'Local GUIs' section: dw/gui/server.py --no-browser on port 8766) and verified it serves the app page (GET / -> 200) and answers POST /api/solve with a plan JSON (verified manually with config {}).",
  "operation_scope": "Local GUI only, loopback. Did not run the test suite, lint, theory PDF build, HA/EMHASS integrations, or the ADMM/battery GUIs. scipy not installed (optional, only for HiGHS cross-check and benchmarks).",
  "outcome": "working",
  "steps": [
    "python3 -m venv .venv (failed: ensurepip missing)",
    "sudo apt-get install -y python3.12-venv",
    "python3 -m venv .venv",
    "pip install -e . (numpy only)",
    "dw/gui/server.py 8766 --no-browser started; GET / 200; POST /api/solve {} returned plan JSON; server stopped"
  ],
  "stuck_step": null,
  "suggested_fix": null
}