fix: ensure AVAudioSession is active right before player.play(), add diagnostic logging

Sources/PlayerBridge.swift

@@ -153,7 +153,7 @@ final class PlayerBridge: ObservableObject {
         NSApp.setActivationPolicy(.regular)
         #elseif os(iOS)
         // iOS: 配置音频会话（支持后台播放 + PiP）
-        configureAudioSession()
+        ensureAudioSession()
         // 开启诊断日志文件
         startDiagnosticLog()
         #endif
@@ -187,16 +187,13 @@ final class PlayerBridge: ObservableObject {
     
     #if os(iOS)
     /// 配置 AVAudioSession，支持后台音频和 PiP
-    private func configureAudioSession() {
+    private func ensureAudioSession() {
+        let session = AVAudioSession.sharedInstance()
         do {
-            let session = AVAudioSession.sharedInstance()
             try session.setCategory(.playback, mode: .default)
             try session.setActive(true)
-            let route = session.currentRoute
-            let outputs = route.outputs.map { "\($0.portName)(\($0.portType.rawValue))" }.joined(separator: ", ")
-            NSLog("[MiniPlayer] AVAudioSession configured: playback, outputs=[%@]", outputs)
         } catch {
-            NSLog("[MiniPlayer] AVAudioSession setup failed: %@", error.localizedDescription)
+            diagLog("AudioSession error: \(error.localizedDescription)")
         }
     }
     #endif
@@ -293,6 +290,9 @@ final class PlayerBridge: ObservableObject {
         let playerItem = AVPlayerItem(asset: asset)
         
         player.replaceCurrentItem(with: playerItem)
+        #if os(iOS)
+        ensureAudioSession()
+        #endif
         player.play()
         isPlaying = true
         diagLog("play() called, rate=\(player.rate) timeControlStatus=\(player.timeControlStatus.rawValue)")