Create groups an channels

src/main/java/org/to/telegramfinalproject/Client/Session.java

@@ -10,4 +10,12 @@ import java.util.List;
 public class Session {
     public static JSONObject currentUser;
     public static List<ChatEntry> chatList;
+
+    public static String getUserUUID() {
+        if (currentUser.has("uuid")) return currentUser.getString("uuid");
+        if (currentUser.has("internal_uuid")) return currentUser.getString("internal_uuid");
+        if (currentUser.has("internalUUID")) return currentUser.getString("internalUUID");
+        throw new RuntimeException("❌ No UUID found in currentUser!");
+    }
+
 }