直播：转发音频、观众 recv audio、全屏与开声音按钮、后台采集麦克风

Made-with: Cursor

server/pkg/weblive/hub.go

@@ -146,8 +146,7 @@ func (h *Hub) removeViewer(id string) {
 }
 
 func (h *Hub) onPublisherTrack(track *webrtc.TrackRemote) {
-	// 仅转发视频轨，降低协商复杂度
-	if track.Kind() != webrtc.RTPCodecTypeVideo {
+	if track.Kind() != webrtc.RTPCodecTypeVideo && track.Kind() != webrtc.RTPCodecTypeAudio {
 		return
 	}
 	tf := newTrackForwarder(track)