Added 'design' functionality

src/main/java/org/openautonomousconnection/oacswing/component/OACTabbedPane.java

@@ -0,0 +1,54 @@
+/* Author: Maple
+ *  Feb. 2 2026
+ *  */
+
+package org.openautonomousconnection.oacswing.component;
+
+import org.jetbrains.annotations.NotNull;
+
+import javax.swing.*;
+import java.awt.*;
+
+public class OACTabbedPane extends JTabbedPane implements OACComponent {
+    public OACTabbedPane() {
+        super();
+    }
+
+    public OACTabbedPane(int tabPlacement) {
+        super(tabPlacement);
+    }
+
+    public OACTabbedPane(int tabPlacement, int tabLayoutPolicy) {
+        super(tabPlacement, tabLayoutPolicy);
+    }
+
+    @Override
+    public Component add(Component comp) {
+        this.initOther(comp);
+        return super.add(comp);
+    }
+
+    @Override
+    public Component add(Component comp, int index) {
+        this.initOther(comp);
+        return super.add(comp, index);
+    }
+
+    @Override
+    public void add(@NotNull Component comp, Object constraints) {
+        this.initOther(comp);
+        super.add(comp, constraints);
+    }
+
+    @Override
+    public Component add(String name, Component comp) {
+        this.initOther(comp);
+        return super.add(name, comp);
+    }
+
+    @Override
+    public void add(Component comp, Object constraints, int index) {
+        this.initOther(comp);
+        super.add(comp, constraints, index);
+    }
+}