feat: glass effect toggle, media refresh timing fix, page transition perf

app/src/main/java/top/yeij/hearth/media/MediaSessionSource.kt

@@ -68,6 +68,19 @@ class MediaSessionSource(context: Context) {
         callback = null
     }
 
+    // 主动拉取当前会话并回调（不重新注册监听），供 H5 页面就绪后刷新媒体卡
+    // Actively pull the current session and notify (without re-registering), for
+    // refreshing the media card once the H5 page is ready
+    fun refresh() {
+        val cb = callback ?: return
+        try {
+            val current = msm.getActiveSessions(listenerComponent).firstOrNull()
+            notifyMedia(current, cb)
+        } catch (e: SecurityException) {
+            Log.w(TAG, "refresh: no notification access: ${e.message}")
+        }
+    }
+
     // 从 controller 提取 metadata + playbackState 构造 MediaInfo 并回调
     // Build MediaInfo from the controller's metadata + playbackState and invoke the callback
     private fun notifyMedia(controller: MediaController?, cb: (MediaInfo?) -> Unit) {