Merge ASYNC-branch into MAIN

[bouwew]

Summary by CodeRabbit

• New Features

  • Complete asynchronous redesign with modern type-safe API for Plugwise USB-Stick integration.
  • Added comprehensive local caching for nodes and network registrations.
  • Enhanced node support with async load, initialize, and state management for Circle, Circle Plus, Sense, Scan, Switch, Celsius, and SED devices.
  • New subscription mechanism for node feature updates and event-driven architecture.
  • Detailed energy pulse and calibration helpers for improved energy data handling.
  • Added extensive enums, data classes, and protocols defining device features and states.
  • Introduced async connection manager, sender, receiver, and prioritized request queue for USB-Stick communication.
  • Added helper modules for utilities, caching, firmware support, and subscription management.

• Bug Fixes

  • Fixed edge cases in device discovery, cache handling, and energy log management.
  • Corrected minor typos and improved error handling across modules.

• Refactor

  • Removed synchronous, thread-based connection and message controller in favor of async connection components.
  • Replaced legacy parser with async message processing pipeline.
  • Streamlined message request and response classes with explicit async send and await patterns.
  • Overhauled node implementations to async classes with improved caching and event subscriptions.
  • Simplified constants and error classes for clarity and maintainability.
  • Consolidated node factory for type-based instantiation.

• Chores

  • Updated dependencies to use pyserial-asyncio-fast and aiofiles; dropped deprecated packages.
  • Adjusted Python version support to 3.13.
  • Cleaned up project metadata and configuration files.
  • Added helper modules for utilities, caching, and firmware support.
  • Updated GitHub workflows and pre-commit configurations.

• Documentation

  • Refined changelog entries detailing major async rewrite and feature additions.
  • Added comprehensive docstrings and type annotations throughout.

• Tests

  • Introduced extensive binary test data for USB stick message-response validation.

• Revert

  • Removed legacy synchronous connection, parser, and controller modules.