Updates for the morning of August 18, 2025 (fixes and improvements 6 points)

1. Fixed: A bug causing some settings to get stuck when entering the settings interface for the first time.
2. Fixed: Added lowercase processing to the whitelist of apps used to detect full-screen sleep, preventing false detection when certain apps are lowercase on another computer.
3. Improvement: New sleep prompt text.
4. Improvement: Transparency in the settings interface is now limited to a minimum of 0.2, preventing it from being completely invisible and unusable at 0.
5. Improvement: Further reduced the default shadow intensity from 0.6 to 0.5 to brighten the map.
6. Improvement: The transparent cube in the center of the experimental ring scene has been replaced with a small globe.