feat: refactor to use local pointer for ServerMessage

- replace `shared.ServerMessage` with local pomodoro pointer
- update conditions to use `pomodoro` instead of `shared.ServerMessage`

🤖

cmd/client/main.go

@@ -29,15 +29,16 @@ func Start() {
 	}
 
 	go websocket.ProcessServerMessages(conn)
+	pomodoro := &shared.ServerMessage
 
 	keyboard.Listen(func(key keys.Key) (stop bool, err error) {
 		switch key.String() {
 		case "space":
-			if !shared.ServerMessage.Ongoing {
+			if !pomodoro.Ongoing {
 				websocket.SendCmd(conn, *password, "start")
 				return false, nil
 			}
-			if shared.ServerMessage.Paused {
+			if pomodoro.Paused {
 				websocket.SendCmd(conn, *password, "resume")
 				return false, nil
 			} else {