- Introduced `effective_sell_price_czk_kwh` to `ControlSetpoints` for managing battery usage based on sell price.
- Implemented logic in `_deye_passive_tou_battery_soc_pct` to set TOU SOC to 100% when conditions favor battery usage.
- Updated tests to validate new behavior for negative sell prices and planned charging scenarios.
- Enhanced documentation to clarify TOU SOC behavior in passive mode.
- Introduced `InverterModbusCurrentCapsBody` model for updating max charge and discharge currents.
- Updated SQL queries to utilize `COALESCE` for effective current limits.
- Modified relevant tests to reflect changes in battery current handling.
- Added new SQL migration for `deye_register_max_current_a` columns in the database.
