feat(albums): compilation filter toggle in All Albums

Tri-state button (all / only compilations / hide compilations) in the
Albums page header, using the OpenSubsonic isCompilation tag from
Navidrome. Client-side filter via useMemo, no extra server calls.
Closes #65.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

src/locales/zh.ts

@@ -289,6 +289,12 @@ export const zhTranslation = {
     yearTo: '到',
     yearFilterClear: '清除年份筛选',
     yearFilterLabel: '年份',
+    compilationLabel: '合辑',
+    compilationOnly: '仅合辑',
+    compilationHide: '隐藏合辑',
+    compilationTooltipAll: '所有专辑 · 点击：仅合辑',
+    compilationTooltipOnly: '仅合辑 · 点击：隐藏合辑',
+    compilationTooltipHide: '已隐藏合辑 · 点击：显示全部',
     select: '多选',
     startSelect: '启用多选',
     cancelSelect: '取消',