fix(ws_handler): update readPump to prevent closing client.Quit prematurely

- Added comments to clarify that the client.Quit channel should not be closed within the readPump function, as it is managed by Hub.Unregister. This change improves code safety and maintainability.

internal/handler/ws_handler.go

@@ -132,7 +132,6 @@ func (h *WSHandler) HandleWebSocket(c *gin.Context) {
 func (h *WSHandler) readPump(conn *websocket.Conn, client *ws.Client) {
 	defer func() {
 		conn.Close()
-		close(client.Quit)
 	}()
 
 	conn.SetReadLimit(64 * 1024) // 64KB