Fix track page hero layout and add full-screen player

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

packages/i18n/locales/en/common.json

@@ -122,7 +122,8 @@
     "source_wave_seed": "Artist wave · {{label}}",
     "queue_wave": "The wave never ends: next tracks are picked as you listen",
     "now_playing": "Now playing",
-    "expand": "Open player"
+    "expand": "Open player",
+    "more": "More"
   },
   "settings": {
     "title": "Settings",

packages/i18n/locales/ru/common.json

@@ -122,7 +122,8 @@
     "source_wave_seed": "Волна по исполнителю · {{label}}",
     "queue_wave": "Волна бесконечна: следующие треки подбираются по ходу прослушивания",
     "now_playing": "Сейчас играет",
-    "expand": "Открыть плеер"
+    "expand": "Открыть плеер",
+    "more": "Ещё"
   },
   "settings": {
     "title": "Настройки",