Fix for offline mode

src/lib/components/player/MiniPlayer.svelte

@@ -19,6 +19,7 @@
   import { goto } from "$app/navigation";
   import type { MediaItem } from "$lib/api/types";
   import { auth } from "$lib/stores/auth";
+  import { commands } from "$lib/api/bindings";
   import {
     mergedMedia,
     mergedIsPlaying,
@@ -70,6 +71,27 @@
   // In remote mode, this automatically uses the remote session's nowPlayingItem
   const displayMedia = $derived($mergedMedia || $currentQueueItem);
   const displayIsPlaying = $derived($mergedIsPlaying);
+
+  // The player's MediaItem doesn't carry favorite state, so read it from the
+  // local user_data cache (offline-safe — same source the optimistic toggle
+  // writes to). Re-runs whenever the current track changes.
+  let isFavorite = $state(false);
+  let favoriteLoadedFor = "";
+  $effect(() => {
+    const id = displayMedia?.id;
+    if (!id || id === favoriteLoadedFor) return;
+    favoriteLoadedFor = id;
+    isFavorite = false;
+    const userId = auth.getUserId();
+    if (!userId) return;
+    commands
+      .storageGetPlaybackProgress(userId, id)
+      .then((p) => {
+        // Guard against a race if the track changed while awaiting.
+        if (displayMedia?.id === id) isFavorite = p?.isFavorite ?? false;
+      })
+      .catch(() => {});
+  });
   const displayPosition = $derived($mergedPosition);
   const displayDuration = $derived($mergedDuration);
 
@@ -358,7 +380,7 @@
         {#if displayMedia}
           <FavoriteButton
             itemId={displayMedia?.id ?? ""}
-            isFavorite={displayMedia?.userData?.isFavorite ?? false}
+            bind:isFavorite
             size="sm"
           />
         {/if}