fix: stabilize review detail and collabora loading

app/routes/api.v3.dify.chat-apps.default.tsx

@@ -1,14 +1,21 @@
-/**
- * GET /api/v3/dify/chat-apps/default - 获取默认对话应用
- *
- * 转发请求到后端 API，后端从配置文件读取默认对话应用
- * 参考文档：docs/new-dify/dify_api_doc.md - 对话应用多实例支持
- */
-
 import { LoaderFunctionArgs, json } from '@remix-run/node';
 import { API_BASE_URL } from '~/config/api-config';
 import { getUserSession } from '~/api/login/auth.server';
 
+function normalizeApp(payload: any) {
+    const app = payload?.data?.data || payload?.data || null;
+    if (!app) return null;
+    return {
+        app_id: String(app.appId),
+        app_name: app.appName,
+        description: app.description || '',
+        is_default: Boolean(app.isDefault),
+        type: 'rag',
+        created_at: '',
+        updated_at: '',
+    };
+}
+
 export async function loader({ request }: LoaderFunctionArgs) {
     try {
         const { frontendJWT } = await getUserSession(request);
@@ -20,23 +27,16 @@ export async function loader({ request }: LoaderFunctionArgs) {
             );
         }
 
-        console.log('[API] Get Default Chat App - Forwarding to backend');
-
-        // 转发请求到后端
-        const apiUrl = `${API_BASE_URL}/v3/dify/chat-apps/default`;
-        const response = await fetch(apiUrl, {
+        const response = await fetch(`${API_BASE_URL}/v3/rag/apps/default`, {
             method: 'GET',
             headers: {
                 'Content-Type': 'application/json',
-                'Authorization': `Bearer ${frontendJWT}`,
+                Authorization: `Bearer ${frontendJWT}`,
             },
         });
 
         const data = await response.json();
-        console.log('[API] Get Default Chat App - Backend response:', data);
-
-        return json(data, { status: response.status });
-
+        return json({ data: normalizeApp(data) }, { status: response.status });
     } catch (error: any) {
         console.error('[API] Get Default Chat App - Error:', error.message);
         return json(