fix(cast): reset player state on cast disconnect

- Add onCastDisconnected callback to castStore
- Reset isPlaying state when cast disconnects
- Ensures play indicator stops in UI when DLNA disconnects

cpvsc

src/lib/stores/castStore.ts

@@ -50,6 +50,9 @@ const POSITION_POLL_INTERVAL_MS = 1000;
 // Callback for when track ends (for auto-advance)
 let onCastTrackEnded: (() => Promise<void>) | null = null;
 
+// Callback for when cast disconnects (to reset player state)
+let onCastDisconnected: (() => void) | null = null;
+
 // Track end detection state
 let lastTransportState: string = '';
 let trackEndDetected = false;
@@ -167,6 +170,18 @@ export async function disconnect(): Promise<void> {
     durationSecs: 0
   };
   notifyListeners();
+
+  // Notify player to reset its state
+  if (onCastDisconnected) {
+    onCastDisconnected();
+  }
+}
+
+/**
+ * Set callback for when cast disconnects
+ */
+export function setOnCastDisconnected(callback: () => void): void {
+  onCastDisconnected = callback;
 }
 
 /**

src/lib/stores/playerStore.ts

@@ -16,7 +16,8 @@ import {
   castStop,
   getCastPosition,
   subscribe as subscribeToCast,
-  setOnCastTrackEnded
+  setOnCastTrackEnded,
+  setOnCastDisconnected
 } from '$lib/stores/castStore';
 
 // ============ Types ============
@@ -419,6 +420,12 @@ export async function startPolling(): Promise<void> {
         }
       }
     });
+
+    // Set callback for when cast disconnects - reset player state
+    setOnCastDisconnected(() => {
+      isPlaying = false;
+      notifyListeners();
+    });
   }
 }