feat(anime): open Anime Browser in player modal

- Add the Ctrl+Alt+A shortcut and dedicated overlay modal
- Share queue, sources, and watch history while isolating browser state

src/main/runtime/ipc-bridge-actions.test.ts

@@ -14,6 +14,7 @@ test('handle mpv command handler forwards command and built deps', () => {
     openTsukihime: () => {},
     openYoutubeTrackPicker: () => {},
     openPlaylistBrowser: () => {},
+    openAnimeBrowser: () => {},
     cycleRuntimeOption: () => ({ ok: false as const, error: 'x' }),
     showMpvOsd: () => {},
     replayCurrentSubtitle: () => {},