feat:完成dify知识库文档基础CRUD模块

app/routes/api.dataset.datasets.$datasetId.documents.tsx

@@ -38,7 +38,7 @@ export async function loader({ request, params }: LoaderFunctionArgs) {
         if (keyword) queryParams.append('keyword', keyword);
 
         // 转发请求到 FastAPI
-        const apiUrl = `${API_BASE_URL}/dify-dataset/datasets/${datasetId}/documents?${queryParams}`;
+        const apiUrl = `${API_BASE_URL}/dify_dataset/datasets/${datasetId}/documents?${queryParams}`;
         const response = await fetch(apiUrl, {
             method: 'GET',
             headers: {
@@ -92,8 +92,8 @@ export async function action({ request, params }: ActionFunctionArgs) {
 
         console.log('[API] Upload Document:', { datasetId });
 
-        // 转发请求到 FastAPI
-        const apiUrl = `${API_BASE_URL}/dify-dataset/datasets/${datasetId}/documents/create-by-file`;
+        // 转发请求到 FastAPI (注意：Dify API是 /document/create-by-file，document是单数)
+        const apiUrl = `${API_BASE_URL}/dify_dataset/datasets/${datasetId}/document/create-by-file`;
         const response = await fetch(apiUrl, {
             method: 'POST',
             headers: {