Merge AUTO_UPDATE into DOCKER_CI_CD and remove obsolete docs

Add playCount display and update on scrobble

Implement global synchronized rating hover across all track instances

Fix TypeScript build errors - remove deesser type and make artistId optional

Fix rating display in queue - extract ratings from DOM when building song objects

Merge refactor/remove-autoqueue into main

Save changes: prepare for merge into main

Add waveform-cache/*.json to .gitignore

Refactor: Extract context menu system to separate module (contextMenu.ts)

UI improvements: Optimize rating and time display widths, improve volume icon, fix login form layout

Implementiere Browser-Navigation mit Maus-Vor/Zurück-Tasten für Library Browser

Vereinheitliche Artist-Darstellung: Similar Artists verwenden jetzt identische Struktur wie Random Artists

feat: enhance waveform loading with client availability check and improved search result handling

feat: add WebGPU utilities for audio processing and rendering

Fix critical auto-queue bugs: prevent deck overwriting and fix buttons after login