"""orc.engine — orchestration engine subpackage.

Submodules:
- :mod:`orc.engine.dispatcher`   — poll-based parallel agent scheduler
- :mod:`orc.engine.pool`         — agent process pool and lifecycle
- :mod:`orc.engine.workflow`     — high-level workflow routing
- :mod:`orc.engine.state_machine`— formal state-machine model
- :mod:`orc.engine.context`      — agent context building and Telegram integration
- :mod:`orc.engine.services`     — service protocols (BoardService, etc.)
- :mod:`orc.engine.retry`        — exponential-backoff retry decorator
"""
