Add auto empty sensor to Ecovacs

[aronnebrivio]

Proposed change

• Add auto empty frequency sensor

Type of change

• Dependency upgrade
• Bugfix (non-breaking change which fixes an issue)
• New integration (thank you!)
• New feature (which adds functionality to an existing integration)
• Deprecation (breaking change to happen in the future)
• Breaking change (fix/feature causing existing functionality to break)
• Code quality improvements to existing code or addition of tests

Additional information

home-assistant/home-assistant.io#41541

Checklist

• I understand the code I am submitting and can explain how it works.
• The code change is tested and works locally.
• Local tests pass. Your PR cannot be merged unless tests pass
• There is no commented out code in this PR.
• I have followed the [development checklist][dev-checklist]
• I have followed the [perfect PR recommendations][perfect-pr]
• The code has been formatted using Ruff (ruff format homeassistant tests)
• Tests have been added to verify that the new code works.
• Any generated code has been carefully reviewed for correctness and compliance with project standards.

[home-assistant]

Hey there @mib1185, @edenhaus, @Augar, mind taking a look at this pull request as it has been labeled with an integration (ecovacs) you are listed as a code owner for? Thanks!

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[edenhaus]

Please split the PR into two: One adding the sensor entity and the other the switch entity

Also please add test for it

[home-assistant]

Please take a look at the requested changes, and use the Ready for review button when you are done, thanks 👍

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[edenhaus]

Thanks @aronnebrivio 👍

Also here we need a docs PR :)

[aronnebrivio]

Hey @edenhaus, I should have everything sorted out. Sorry for the mess, it's my first contribution and I made a bit of a mess. Thanks!

[edenhaus]

Hey @edenhaus, I should have everything sorted out. Sorry for the mess, it's my first contribution and I made a bit of a mess. Thanks!

No problem :) We are here to help and guide :)