feat: enhance stream URL handling and add initial offset support in VideoPlayer

k-tv-frontend/app/(main)/tv/components/video-player.tsx

@@ -4,10 +4,12 @@ interface VideoPlayerProps {
   src?: string;
   poster?: string;
   className?: string;
+  /** Seek to this many seconds after metadata loads (broadcast sync on refresh). */
+  initialOffset?: number;
 }
 
 const VideoPlayer = forwardRef<HTMLVideoElement, VideoPlayerProps>(
-  ({ src, poster, className }, ref) => {
+  ({ src, poster, className, initialOffset }, ref) => {
     return (
       <div className={`relative h-full w-full bg-black ${className ?? ""}`}>
         <video
@@ -16,6 +18,11 @@ const VideoPlayer = forwardRef<HTMLVideoElement, VideoPlayerProps>(
           poster={poster}
           autoPlay
           playsInline
+          onLoadedMetadata={(e) => {
+            if (initialOffset && initialOffset > 0) {
+              e.currentTarget.currentTime = initialOffset;
+            }
+          }}
           className="h-full w-full object-contain"
         />
       </div>