feat: add album art display, metadata reading, and volume scroll

fix: update seekbar in background during playback

perf: reduce mutex contention by making sample rate atomic

perf: reduce CPU usage by throttling UI updates and caching state

perf: optimize CPU usage by 21% with caching and reduced redraws

refactor: remove unused functions

refactor: remove visualizer

fix: resolve corner cases and critical bugs

fix: resolve memory leaks and performance issues

feat: add X11 window icon support

fix: exit on window close and Ctrl+Q, improve track end detection

fix: audio streaming without full file buffering

fix: replace slow visualizer with Play icon

feat: add keyboard navigation and playlist grouping

feat: add track list album art and audio visualizer

feat: integrate Material Design icons using gio.tools/icons

feat: add playlist tabs with add/remove functionality

Fixes in Sheet engine

Таблицы, ч. 1

Редизайн

Редизайн

Init