refactor(musik): integrate music player library functions and fix build errors

- Integrate togglePlayPause, getNextIndex, getPrevIndex, handleRepeatOrNext, seekTo, toggleShuffle, setAudioVolume, toggleMute library functions
- Fix ESLint warnings: remove unused eslint-disable, add missing useEffect dependencies
- Fix ESLint error in useMusicPlayer.ts togglePlayPause function
- Add force-dynamic export to root layout to prevent prerendering errors
- Improve seek slider with preview/commit functionality
- Add isSeeking state to prevent UI flickering during seek

Fixes: Build PageNotFoundError for admin/darmasaba pages

Co-authored-by: Qwen-Coder <qwen-coder@alibabacloud.com>

src/app/darmasaba/(pages)/musik/lib/seek.ts

@@ -0,0 +1,25 @@
+export function seekTo(
+  audioRef: React.RefObject<HTMLAudioElement | null>,
+  time: number
+) {
+  if (!audioRef.current) return;
+  audioRef.current.currentTime = time;
+}
+
+
+// import { RefObject } from "react";
+
+// export function seekTo(
+//   audioRef: RefObject<HTMLAudioElement | null>,
+//   time: number,
+//   setCurrentTime: (v: number) => void
+// ) {
+//   if (!audioRef.current) return;
+
+//   audioRef.current.currentTime = time;
+//   setCurrentTime(time);
+// }
+
+// //pakai di ui
+
+// // onChange={(v) => seekTo(audioRef, v, setCurrentTime)}