feat(frontend): 更新设置页面按钮样式

- 为"添加新API"按钮添加 primary 样式
- 为"编辑选中行"按钮添加 primary 样式
- 为"删除选中行"按钮添加 stop 样式
- 保持"刷新数据"按钮的 secondary 样式

frontend/setting_page.py

@@ -41,7 +41,7 @@ def setting_page():
                 model_id_input = gr.Textbox(label="Model ID")
                 base_url_input = gr.Textbox(label="Base URL")
                 api_key_input = gr.Textbox(label="API Key")
-                add_button = gr.Button("添加新API")
+                add_button = gr.Button("添加新API", variant="primary")
 
             with gr.Column(scale=3):
                 provider_table = gr.DataFrame(
@@ -54,9 +54,9 @@ def setting_page():
                 )
 
                 with gr.Row():
-                    edit_button = gr.Button("编辑选中行")
-                    delete_button = gr.Button("删除选中行")
                     refresh_button = gr.Button("刷新数据", variant="secondary")
+                    edit_button = gr.Button("编辑选中行", variant="primary")
+                    delete_button = gr.Button("删除选中行", variant="stop")
 
         # 绑定刷新按钮事件
         refresh_button.click(