Use runtime_data for Swiss Public Transport

[miaucl]

Proposed change

Implement config_entry.runtime_data instead of hass.data[<key>] based on this post: https://developers.home-assistant.io/blog/2024/04/30/store-runtime-data-inside-config-entry/

There was also a bug with the service call which returned a dict containing a datetime object instead of JsonValueType. This was overlooked as with hass.data, the type is Any. No it is typed and therefore mypy raised an error.

Now we cannot just return the dataclass but have to create a simpler dict only containing allowed value types.

--> Addressed in: #128391

Type of change

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[home-assistant]

Hey there @fabaff, mind taking a look at this pull request as it has been labeled with an integration (swiss_public_transport) you are listed as a code owner for? Thanks!

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[home-assistant]

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[miaucl]

@gjohansson-ST There shouldn't be any direct imports anymore now.

[gjohansson-ST]

Thanks @miaucl 👍