pynions/
├── src/
│   └── pynions/
│       ├── __init__.py
│       ├── core/              # Core framework (unchangeable)
│       │   ├── __init__.py
│       │   ├── workflow.py       # Base Workflow class
│       │   └── tool.py       # Base Tool class
│       │   └── rate_limit.py  # Rate limiter for API calls
│       ├── tools/            # Built-in tools (plugins)
│       │   ├── __init__.py
│       │   └── llm.py        # LLM integration
│       └── cli.py            # Simple CLI
├── examples/
│   └── simple_test.py        # Single clear example
├── pyproject.toml           # Build config and dependencies
└── README.md                # Documentation and user guide
