fix resume starting from beginning

src/hooks/use-jellyfin.ts

@@ -616,12 +616,19 @@ export function useSimilarItems(itemId?: string, limit = 12) {
  * server uses our DeviceProfile to decide direct-play vs HLS transcoding.
  * Without this call, the bare /main.m3u8 endpoint generates a playlist with
  * runtimeTicks=0, which makes segment fetches fail with 400.
+ *
+ * `enabled` lets callers gate the call on the saved resume position
+ * being loaded: if a user lands on /play/:id?resume=true, the item
+ * has to load first so the first PlaybackInfo request includes the
+ * saved StartTimeTicks - otherwise the video streams from 0 and
+ * reloads mid-playback when the second query returns.
  */
 export function usePlaybackInfo(
   itemId?: string,
   startTimeTicks?: number,
   audioStreamIndex?: number,
   maxStreamingBitrate?: number,
+  enabled: boolean = true,
 ) {
   const api = useApi()
   const audioPassthrough = usePreferencesStore(s => s.audioPassthrough)
@@ -659,7 +666,7 @@ export function usePlaybackInfo(
       } as any)
       return res.data
     },
-    enabled: !!api && !!itemId,
+    enabled: !!api && !!itemId && enabled,
     staleTime: 0,
     // Override the global 30-minute gcTime: each PlaybackInfoResponse
     // includes full MediaSources with encoding params, audio/video