feat: TeamSpeak TUI client with Bubble Tea

- Created TUI client in cmd/tui
- Implemented channel navigation and user display
- Fixed serverInfo initialization in ts3client
- Added real-time log panel in TUI
- Ordered channels by ID for stability

pkg/ts3client/client.go

@@ -237,6 +237,7 @@ func (c *Client) handleInternalEvent(eventType string, data map[string]any) {
 			serverName = v
 		}
 		c.selfInfo = &SelfInfo{ClientID: clientID, Nickname: c.config.Nickname}
+		c.serverInfo = &ServerInfo{Name: serverName}
 		c.emit(EventConnected, &ConnectedEvent{
 			ClientID:   clientID,
 			ServerName: serverName,