Roth Touchline SL multi-module setups

I can confirm this issue – I ran into the exact same error. Root cause: In pytouchlinesl/client/models/models.py, the ParamsModel defines description as: description: Optional[str] With Pydantic v2, Optional[str] means the field must be present (even if None). However, Roth Touchline SL’s API sometimes returns params objects that contain only containerId and no description. This leads to: ValidationError: tiles.N.params.description Field required Fix (tested locally): Changing the field definition to provide a default value resolves the issue: description: Optional[str] = None Result: • The …

Excerpt saved from GitHub on 2026-10-23.

Proposed change Zone devices used `(DOMAIN, str(zone_id))` as their identifier, causing device registry collisions when multiple Touchline SL modules had zones with the same ID (which is common since zone IDs are module-local). Changes: - Update `TouchlineSLZoneEntity` to use `(DOMAIN, f"{module_id}-{zone_id}")` as the device identifier - Add a one-time migration in `async_setup_entry` that updates existing device entries to the new format, using `via_device_id` to resolve the correct parent module (handles multi-module setups correctly) ## Type of change - [ ] Dependency upgrade - [x] Bugfix …

Excerpt saved from GitHub on 2026-10-23.