December 2025 monthly summary for bramstroker/homeassistant-powercalc. Focused on delivering features that improve device coverage, measurement fidelity, and data reliability for energy calculations. No major bugs reported this period. Key features delivered: - Govee H600D JSON model with defined power consumption and measurement methodology added to the project. - Manufacturer alias for Govee updated to improve device recognition and naming consistency across integrations. Major bugs fixed: - No major bugs reported this period. Ongoing improvements were focused on feature delivery and data modeling. Overall impact and accomplishments: - Expanded supported device coverage (Govee H600D) within the PowerCalc integration, enabling accurate energy reporting and more reliable automations for users with this device. - Improved data fidelity and reliability, reducing user confusion and support overhead through a well-defined JSON model and explicit manufacturer alias. - Strengthened traceability and maintainability via a focused commit implementing measurements for Govee H600D. Technologies/skills demonstrated: - JSON data modeling for device measurements and measurement methodology. - Data-driven device support, including manufacturer alias management. - Version control hygiene and traceability (commit references).