{
  "checker": {
    "details": {
      "argv": [
        "/tmp/efec-demo/.venv/bin/efec",
        "dist"
      ],
      "kind": "cli",
      "needs_browser": false,
      "needs_credentials": false,
      "returncode": 0,
      "scope": "product operation",
      "stderr": "",
      "stdout": "[BUNDLING]   || __main__.py 0.1kB\n[BUNDLING]   || __init__.py 0.1kB\n[OUTPUT]     || bundle.pyz 0.3kB\nCompleted in 0.0020s",
      "working": true
    },
    "status": "PASS"
  },
  "deviations": [
    "README 'task build' runs ruff format/check --fix over the source tree; not run because it rewrites product source. Ran the packaging step 'uv build' directly instead.",
    "Installed task via its install script because the guest lacks it; uv and task were not preinstalled."
  ],
  "main_blocker": null,
  "operation": "Bundle a Python source directory into a single-file .pyz with the README's DIY flow (`uv run efec dist`) in a scratch project, then run the produced bundle to confirm it executes.",
  "operation_scope": "Verified: source setup via `task setup`, package build via `uv build` (README build step, without its ruff auto-format step), and `efec dist` bundling of a demo project created with the README DIY steps. Not verified: `task build` / `task check` (lint/type/format) were not run, since ruff format/fix rewrites source and the suites are out of scope for this smoke run.",
  "outcome": "working",
  "steps": [
    "Installed uv via https://astral.sh/uv/install.sh (README: Setup > DIY, uv self update prerequisite)",
    "Installed go-task 3.54.0 to /usr/local/bin via https://taskfile.dev/install.sh (README: Building from source > Requirements)",
    "task setup (uv python install 3.11, uv venv, uv lock, uv sync)",
    "uv build (README: Building from source > task build, packaging step only)",
    "In /tmp/efec-demo: uv init, uv add effectual --dev, added [tool.effectual] config from README, wrote src/__main__.py, ran uv run efec dist; ran python3 dist/bundle.pyz which printed {\"bundled\": true, \"answer\": 42}"
  ],
  "stuck_step": null,
  "suggested_fix": null
}