[bluelink] Support setting AC/DC charge limits

[florian-h05]

• Make the AC & DC charge limit channels writeable.
• Add Thing actions to set charge limits.

[openhab-bot]

This pull request has been mentioned on openHAB Community. There might be relevant details there:

https://community.openhab.org/t/bluelink-binding-hyundai-kia-genesis-5-0-0-0-5-2-0-0/167623/22

[Copilot]

Pull request overview

This PR exposes Bluelink's existing AC/DC charge-limit APIs through the binding so users can set charge targets from writable channels and Thing actions. It extends the vehicle-side command flow, bridge wrapper methods, metadata, and documentation for the new control surface.

Changes:

• Make the charge-limit-ac and charge-limit-dc vehicle channels writable and disable auto-update for them.
• Add vehicle Thing actions for setting AC/DC charge limits, plus the handler/account plumbing to forward those requests.
• Document the new actions/channel capabilities and add WireMock coverage for the EU account API path.

Reviewed changes

Copilot reviewed 7 out of 7 changed files in this pull request and generated 8 comments.

Show a summary per file

File	Description
bundles/org.openhab.binding.bluelink/src/test/java/org/openhab/binding/bluelink/internal/handler/BluelinkAccountHandlerTest.java	Adds EU WireMock tests for AC/DC charge-limit API requests.
bundles/org.openhab.binding.bluelink/src/main/resources/OH-INF/thing/vehicle.xml	Makes the AC/DC charge-limit channels writable and sets auto-update veto.
bundles/org.openhab.binding.bluelink/src/main/resources/OH-INF/i18n/bluelink.properties	Adds i18n labels for the new charge-limit actions and inputs.
bundles/org.openhab.binding.bluelink/src/main/java/org/openhab/binding/bluelink/internal/handler/VehicleActions.java	Adds rule actions and static helpers for setting AC/DC charge limits.
bundles/org.openhab.binding.bluelink/src/main/java/org/openhab/binding/bluelink/internal/handler/BluelinkVehicleHandler.java	Handles writable channel commands and adds vehicle-level charge-limit methods.
bundles/org.openhab.binding.bluelink/src/main/java/org/openhab/binding/bluelink/internal/handler/BluelinkAccountHandler.java	Adds account-handler pass-through methods for AC/DC charge-limit calls.
bundles/org.openhab.binding.bluelink/README.md	Documents the new actions and marks the charge-limit channels as read/write.

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[lsiepel]

Somehow i manually had to approve the workflow, thought that was only needed for first time contributors. anyway, the DCO is also complaining :-/

Please comment on the review comments that have been resolved (or not)

[florian-h05]

I've addressed all Copilot comments.
Or more exactly: My AI agent did that, unfortunately Git in the agent's sandbox is not signing off.
As the agent is using its own GitHub account to push (and only using my name), that might also explain why you had to approve the PR runs.

[florian-h05]

@lsiepel Adressed Copilot review and forced DCO to pass - the sign off is only missing from the second commit, it’s done for the first and so it will get added to the merge message.

[lsiepel]

Thanks, LGTM