Home Assistant Add-On Development Expert guidance for building, configuring, and publishing Home Assistant add-ons with Docker, Supervisor integration, and multi-architecture support. Before You Start This skill prevents common Home Assistant add-on development errors: | Issue | Symptom | Solution | |-------|---------|----------| | Permission errors | on supervisor API calls | Use correct SUPERVISOR TOKEN and API endpoints | | Configuration validation | Add-on won't load | Validate config.yaml schema before publishing | | Docker base image errors | Missing dependencies in runtime | Use offici…