✨ feat: 重构心动模式与私人FM播放逻辑

- 心动模式从播放模式循环中独立，移至 SearchBar 作为独立按钮
- 新增私人FM自动续播：播放结束后自动获取下一首
- 播放列表设置时自动清除FM模式标志
- 顺序播放模式播放到最后一首后正确停止
- 新增获取关注歌手新歌 API
- 补充心动模式相关 i18n 翻译

src/renderer/store/modules/player.ts

@@ -33,8 +33,17 @@ export const usePlayerStore = defineStore('player', () => {
   const intelligenceMode = useIntelligenceModeStore();
 
   // 使用 storeToRefs 获取响应式引用
-  const { play, isPlay, playMusic, playMusicUrl, musicFull, playbackRate, volume, userPlayIntent } =
-    storeToRefs(playerCore);
+  const {
+    play,
+    isPlay,
+    playMusic,
+    playMusicUrl,
+    musicFull,
+    playbackRate,
+    volume,
+    userPlayIntent,
+    isFmPlaying
+  } = storeToRefs(playerCore);
 
   const { playList, playListIndex, playMode, originalPlayList, playListDrawerVisible } =
     storeToRefs(playlist);
@@ -88,6 +97,7 @@ export const usePlayerStore = defineStore('player', () => {
     playbackRate,
     volume,
     userPlayIntent,
+    isFmPlaying,
 
     // PlayerCore - Computed
     currentSong,