Added 'design' functionality

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

@@ -0,0 +1,74 @@
+/* Author: Maple
+ *  Feb. 2 2026
+ *  */
+
+package org.openautonomousconnection.oacswing.component;
+
+import org.jetbrains.annotations.NotNull;
+
+import javax.swing.*;
+import javax.swing.tree.TreeModel;
+import javax.swing.tree.TreeNode;
+import java.awt.*;
+import java.util.Hashtable;
+import java.util.Vector;
+
+public class OACTree extends JTree implements OACComponent {
+    public OACTree() {
+        super();
+    }
+
+    public OACTree(Object[] value) {
+        super(value);
+    }
+
+    public OACTree(Vector<?> value) {
+        super(value);
+    }
+
+    public OACTree(Hashtable<?, ?> value) {
+        super(value);
+    }
+
+    public OACTree(TreeNode root) {
+        super(root);
+    }
+
+    public OACTree(TreeNode root, boolean asksAllowsChildren) {
+        super(root, asksAllowsChildren);
+    }
+
+    public OACTree(TreeModel newModel) {
+        super(newModel);
+    }
+
+    @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);
+    }
+}