* Cache device triggers on startup
* reorg zha init
* don't reuse gateway
* don't nuke yaml configuration
* review comments
* Add unit tests
* Do not cache device and entity registries
* [WIP] Wrap ZHA data in a dataclass
* [WIP] Get unit tests passing
* Use a helper function for getting the gateway object to fix annotations
* Remove `bridge_id`
* Fix typing issues with entity references in group websocket info
* Use `Platform` instead of `str` for entity platform matching
* Use `get_zha_gateway` in a few more places
* Fix flaky unit test
* Use `slots` for ZHA data
Co-authored-by: J. Nick Koston <nick@koston.org>
---------
Co-authored-by: David F. Mulcahey <david.mulcahey@icloud.com>
Co-authored-by: J. Nick Koston <nick@koston.org>
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