November 2025 performance summary for mib1185/homeassistant-core: Delivered migration-enabled enhancement for Ukraine Alarm integration, shifting from states to districts and communities. Implemented a migration workflow with success/failure logging, updated the configuration flow to reflect the new data model, and added tests to validate migration logic and handling of deprecated states. No critical bugs were introduced; the focus was on a safe schema transition with test coverage. Impact: improved data integrity and regional accuracy of alarm configurations, reduced user friction during upgrades, and clearer auditability. Technologies/skills demonstrated: Python, Home Assistant core architecture, config flows, logging and observability, pytest-based test coverage, and robust migration tooling.