Core project conventions for the BMW Wallbox Home Assistant integration — architecture, OCPP/EVCC rules, Python/HA style, coordinator pattern, git, and testing standards.
Security rules for the BMW Wallbox integration — secrets/credentials, SSL/TLS, OCPP input handling, safe logging, and dependency hygiene.
Testing conventions for the BMW Wallbox integration — pytest, HA fixtures, entity/handler/command patterns. Tests are MANDATORY for every new entity, handler, and command.