refactor: update play time property and enhance player settings management

- Changed the play time property from 'play_time' to 'time' in HomeScreen.
- Removed unused player control functions from PlayScreen.
- Added PlayerSettings interface and implemented PlayerSettingsManager for local storage of player settings.
- Refactored PlayRecordManager to merge API records with local player settings.
- Updated authentication logic in authStore to handle optional username parameter in login function.
- Cleaned up and optimized imports across various components.

app/index.tsx

@@ -96,7 +96,7 @@ export default function HomeScreen() {
         year={item.year}
         rate={item.rate}
         progress={item.progress}
-        playTime={item.play_time}
+        playTime={item.time}
         episodeIndex={item.episodeIndex}
         sourceName={item.sourceName}
         totalEpisodes={item.totalEpisodes}

app/play.tsx

@@ -26,7 +26,6 @@ export default function PlayScreen() {
 
   const { detail } = useDetailStore();
   const {
-    status,
     isLoading,
     showControls,
     showNextEpisodeOverlay,
@@ -37,9 +36,6 @@ export default function PlayScreen() {
     setShowControls,
     setShowNextEpisodeOverlay,
     reset,
-    playEpisode,
-    togglePlayPause,
-    seek,
   } = usePlayerStore();
 
   useEffect(() => {