feat: 调试工具按钮组添加布局草稿预览入口

在DebugToolButtonsView中新增布局草稿按钮，
点击后跳转LayoutDraftPreViewActivity窗口。

contacts/build.properties

@@ -1,8 +1,8 @@
 #Created by .winboll/winboll_app_build.gradle
-#Sat Jul 18 19:53:07 CST 2026
+#Sat Jul 18 20:03:10 CST 2026
 stageCount=11
 libraryProject=
 baseVersion=15.20
 publishVersion=15.20.10
-buildCount=3
+buildCount=5
 baseBetaVersion=15.20.11

contacts/src/main/java/cc/winboll/studio/contacts/views/DebugToolButtonsView.java

@@ -61,6 +61,7 @@ public class DebugToolButtonsView extends LinearLayout {
         Button btnShowLog = (Button) findViewById(R.id.btn_debug_show_log);
         Button btnRestartService = (Button) findViewById(R.id.btn_debug_restart_service);
         Button btnAppInfo = (Button) findViewById(R.id.btn_debug_app_info);
+        Button btnLayoutPreview = (Button) findViewById(R.id.btn_debug_layout_preview);
 
         btnClearData.setOnClickListener(new OnClickListener() {
                 @Override
@@ -103,6 +104,13 @@ public class DebugToolButtonsView extends LinearLayout {
                     onShowAppInfo();
                 }
             });
+
+        btnLayoutPreview.setOnClickListener(new OnClickListener() {
+                @Override
+                public void onClick(View v) {
+                    onOpenLayoutPreview();
+                }
+            });
     }
 
     private void onClearData() {
@@ -198,4 +206,18 @@ public class DebugToolButtonsView extends LinearLayout {
             ToastUtils.show("获取信息失败: " + e.getMessage());
         }
     }
+
+    private void onOpenLayoutPreview() {
+        LogUtils.d(TAG, "onOpenLayoutPreview: 打开布局草稿预览窗口");
+        try {
+            Intent intent = new Intent();
+            intent.setClassName(mContext, "cc.winboll.studio.contacts.unittest.LayoutDraftPreViewActivity");
+            intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
+            mContext.startActivity(intent);
+            LogUtils.d(TAG, "onOpenLayoutPreview: 跳转成功");
+        } catch (Exception e) {
+            LogUtils.e(TAG, "onOpenLayoutPreview: 跳转失败", e);
+            ToastUtils.show("跳转失败: " + e.getMessage());
+        }
+    }
 }

contacts/src/main/res/layout/view_debug_tool_buttons.xml

@@ -82,4 +82,20 @@
 
 	</LinearLayout>
 
+	<LinearLayout
+		android:orientation="horizontal"
+		android:layout_width="match_parent"
+		android:layout_height="wrap_content"
+		android:gravity="right">
+
+		<Button
+			android:id="@+id/btn_debug_layout_preview"
+			android:layout_width="wrap_content"
+			android:layout_height="wrap_content"
+			android:text="布局草稿"
+			android:textSize="12sp"
+			android:layout_margin="2dp"/>
+
+	</LinearLayout>
+
 </LinearLayout>