feat: unified audio buffer + fragment reassembly fix

internal/client/client.go

@@ -36,11 +36,10 @@ type Client struct {
 	Connected  bool
 	ServerName string
 
-	// Fragment reassembly
-	FragmentBuffer     []byte
-	FragmentStartPktID uint16
-	FragmentCompressed bool
-	Fragmenting        bool
+	// Fragment reassembly (packet queue like ts3j)
+	CommandQueue       map[uint16]*protocol.Packet // Packets waiting for reassembly
+	ExpectedCommandPID uint16                      // Next expected packet ID
+	FragmentState      bool                        // Toggle: true = collecting, false = ready
 
 	// Server Data
 	Channels map[uint64]*Channel
@@ -64,6 +63,8 @@ func NewClient(nickname string) *Client {
 		VoicePacketID:      1,
 		Channels:           make(map[uint64]*Channel),
 		VoiceDecoders:      make(map[uint16]*opus.Decoder),
+		CommandQueue:       make(map[uint16]*protocol.Packet),
+		ExpectedCommandPID: 0,
 		done:               make(chan struct{}),
 	}
 }