v0.4.1 Polish: UI Improvements

https://github.com/aebrer/backrooms_power_crawl/releases/tag/v0.4.1

What’s New

Features

• EXP Bar: Vertical progress indicator along left edge with level display and glow effect near level-up
• SCORE Metric: Composite score on game over screen (corruption × kills + EXP efficiency)
• Portrait Mode Overlay: Examination panel now works in portrait/mobile layouts
• Corruption Display: Stats panel shows current level corruption with color coding

Improvements

• Examination panel embedded in sidebar (landscape) or floating overlay (portrait)
• Better signal lifecycle management prevents duplicate connections
• ~90% debug log reduction for cleaner console output
• Shared Utilities autoload with banker’s rounding function

Fixes

• Race condition in EXP bar signal connections
• Async positioning guard for portrait overlay
• Layout ordering bug after portrait → landscape transition