{
  "checker": {
    "details": {
      "argv": [
        "/workspace/.venv/bin/python",
        "examples/step_01_Action_and_pipeline/01_hello_world.py"
      ],
      "kind": "cli",
      "needs_browser": false,
      "needs_credentials": false,
      "returncode": 0,
      "scope": "product operation",
      "stderr": "",
      "stdout": "Hello, world!",
      "working": true
    },
    "status": "PASS"
  },
  "deviations": [
    "uv sync --package aoa-maxitor installed the package but not taskipy, so 'uv run task' failed with 'Failed to spawn: task'. Fixed by running uv sync --extra dev.",
    "uv run task maxitor-api: server crashed at startup with ActionResultDeclarationError for GetLeftMenuSidebarDataAction (packages/aoa-maxitor/src/aoa/maxitor/model/core/actions/left_sidebar_action.py). Not fixed: source edits are not allowed in this task. Probe uses the working action-machine example instead.",
    "Root README Quick Start pip install aoa-action-machine not run; used the monorepo checkout venv instead."
  ],
  "main_blocker": null,
  "operation": "Ran the README Quick Start example (examples/step_01_Action_and_pipeline/01_hello_world.py) with the repo venv Python; it defines an Action and runs it through ActionProductMachine, printing 'Hello, world!' with exit 0.",
  "operation_scope": "Covers aoa-action-machine core only. Not verified: aoa-maxitor backend (uv run task maxitor-api) crashes on startup at this pinned commit with ActionResultDeclarationError: Failed to resolve result type for GetLeftMenuSidebarDataAction (Action must be declared as BaseAction[Params, Result]); the server never serves /api/health. Frontend (npm) not built. No browser needed. CDP endpoint unused.",
  "outcome": "working",
  "steps": [
    "Installed uv 0.13.1 via https://astral.sh/uv/install.sh (apt python3-venv/pip/curl first)",
    "uv sync --package aoa-maxitor (README 9. Installation, monorepo form)",
    "uv sync --extra dev (needed so taskipy provides the 'task' runner used by README 7. How to Run)",
    "uv run task maxitor-api (README 7. Backend) - started, failed at import (see deviations); stopped afterwards",
    "/workspace/.venv/bin/python examples/step_01_Action_and_pipeline/01_hello_world.py (root README Quick Start, linked example) - printed Hello, world!"
  ],
  "stuck_step": "README section 7 'How to Run > Backend' (packages/aoa-maxitor/README.md): uv run task maxitor-api",
  "suggested_fix": "Fix the Action declaration in packages/aoa-maxitor/src/aoa/maxitor/model/core/actions/left_sidebar_action.py so the class is declared as BaseAction[Params, Result] with a concrete Result type, then re-run uv run task maxitor-api and check GET /api/health."
}