feat: manually mirror opencoze's code from bytedance

Change-Id: I09a73aadda978ad9511264a756b2ce51f5761adf

common/_templates/chat-plugin-writeable-standard/stories/demo.stories.tsx

@@ -0,0 +1,37 @@
+/*
+ * Copyright 2025 coze-dev Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+ 
+import { DemoComponent } from '../src';
+
+export default {
+  title: 'Example/Demo',
+  component: DemoComponent,
+  parameters: {
+    // Optional parameter to center the component in the Canvas. More info: https://storybook.js.org/docs/configure/story-layout
+    layout: 'centered',
+  },
+  // This component will have an automatically generated Autodocs entry: https://storybook.js.org/docs/writing-docs/autodocs
+  tags: ['autodocs'],
+  // More on argTypes: https://storybook.js.org/docs/api/argtypes
+  argTypes: {},
+};
+
+// More on writing stories with args: https://storybook.js.org/docs/writing-stories/args
+export const Base = {
+  args: {
+    name: 'tecvan',
+  },
+};