fix: stabilize review detail and collabora loading
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@@ -1,98 +1,71 @@
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/**
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* Dify Chat 服务端 API 模块
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* RAG Chat 服务端 API 模块
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*
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* 提供 Node.js 服务端调用 FastAPI 后端的基础功能
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* Dify 的 API_KEY 和 APP_ID 由 FastAPI 后端管理,前端只负责转发请求
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*
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* 调用链路:
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* Remix Server → FastAPI /dify_chat/* → Dify
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* 提供 Node.js 服务端调用 FastAPI 后端的基础功能。
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* 现已改为走自有 RAG 接口:
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* Remix Server -> FastAPI /api/v3/rag/*
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*
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* @module api/dify-chat/client.server
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*/
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import { API_BASE_URL } from '~/config/api-config';
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// ============================================================================
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// 配置
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// ============================================================================
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const RAG_API_ROOT = `${API_BASE_URL}/v3/rag`;
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/**
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* Dify Chat API 代理地址
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* 通过 FastAPI 后端的 /dify_chat 路由代理访问 Dify
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* Dify 的认证(API_KEY)由 FastAPI 后端处理
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*/
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const DIFY_CHAT_API_URL = `${API_BASE_URL}/dify_chat`;
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// ============================================================================
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// 基础请求函数
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// ============================================================================
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/**
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* Dify Fetch 请求选项
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*/
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export interface DifyFetchOptions extends RequestInit {
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/** 对话应用 ID,用于切换不同的 Dify 应用 */
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appId?: string;
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}
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/**
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* Dify Chat API 基础请求函数
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*
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* 使用用户 JWT 认证通过 FastAPI 代理访问 Dify
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* FastAPI 后端会验证 JWT 并添加 Dify API_KEY
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*
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* @param endpoint - API 端点路径
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* @param options - fetch 请求选项(可包含 appId)
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* @param jwt - 用户 JWT 认证令牌
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* @returns Response 对象
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*/
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export async function difyFetch(
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endpoint: string,
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options: DifyFetchOptions = {},
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jwt?: string
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): Promise<Response> {
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const { appId, ...fetchOptions } = options;
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const url = `${DIFY_CHAT_API_URL}/${endpoint.replace(/^\//, '')}`;
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function buildHeaders(fetchOptions: RequestInit, jwt?: string): HeadersInit {
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const headers: HeadersInit = {
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'Content-Type': 'application/json',
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...fetchOptions.headers,
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};
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if (jwt) {
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(headers as Record<string, string>)['Authorization'] = `Bearer ${jwt}`;
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(headers as Record<string, string>).Authorization = `Bearer ${jwt}`;
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} else {
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console.warn('[Dify Chat] 没有提供 JWT,FastAPI 请求可能失败');
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console.warn('[RAG Chat] 没有提供 JWT,FastAPI 请求可能失败');
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}
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// 如果指定了应用 ID,添加 X-Dify-App-Id 请求头
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return headers;
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}
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export async function difyFetch(
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endpoint: string,
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options: DifyFetchOptions = {},
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jwt?: string
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): Promise<Response> {
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const { appId, ...fetchOptions } = options;
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const cleanEndpoint = endpoint.replace(/^\//, '');
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let url = `${RAG_API_ROOT}/${cleanEndpoint}`;
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if (appId) {
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(headers as Record<string, string>)['X-Dify-App-Id'] = appId;
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console.log('[Dify Chat] 使用应用 ID:', appId);
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const separator = url.includes('?') ? '&' : '?';
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url = `${url}${separator}appId=${encodeURIComponent(appId)}`;
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}
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const response = await fetch(url, {
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...fetchOptions,
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headers,
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headers: buildHeaders(fetchOptions, jwt),
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});
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if (!response.ok) {
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const errorText = await response.text();
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console.error('[Dify Chat] API 转发错误:', {
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console.error('[RAG Chat] API 转发错误:', {
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status: response.status,
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statusText: response.statusText,
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error: errorText
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error: errorText,
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});
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if (response.status === 401) {
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throw new Error('JWT认证失败,请重新登录');
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}
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throw new Error(`Dify API Error: ${response.status} ${response.statusText}`);
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throw new Error(`RAG API Error: ${response.status} ${response.statusText}`);
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}
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return response;
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}
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// 重新导出 chat 模块的 difyClient
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export { difyClient } from './chat';
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