Dev v.1.2.1

[TypQxQ]

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[greptile-apps]

Greptile Summary

This PR introduces v1.2.1 with UI/UX improvements and a bug fix for the Sigenergy integration.

• Updated minimum Home Assistant version requirement to 2026.1
• Standardized all number entities to use box input mode (NumberMode.BOX) instead of sliders for more precise value entry
• Removed hardcoded battery icons from battery SOC sensors to allow Home Assistant's dynamic battery icons to display based on charge level
• Fixed duplicate sensor definition for plant_total_charged_energy_of_the_evac

Confidence Score: 5/5

• This PR is safe to merge with no identified risks
• All changes are low-risk improvements: documentation update, UI preference standardization, icon optimization, and removal of a duplicate definition. No logical errors or breaking changes detected.
• No files require special attention

Important Files Changed

Filename	Overview
README.md	Updated minimum Home Assistant version requirement from 2025.2 to 2026.1
custom_components/sigen/number.py	Added NumberMode.BOX to all number entities for consistent UI input method across all controls
custom_components/sigen/static_sensor.py	Removed hardcoded battery icons to enable dynamic icons, and fixed duplicate sensor definition

_{Last reviewed commit: 44060fe}