fix: 修复遗漏的 backend-single 引用（Java源码/前端注释/配置文件/IDE配置）

web/src/services/chat.ts

@@ -52,7 +52,7 @@ export class ChatApiService {
   async createSession(userId: string, title?: string): Promise<ChatSession> {
     try {
       console.log('📝 创建会话API调用:', { userId, title })
-      // backend-single: POST /conversation/create
+      // server: POST /conversation/create
       const response = await http.post<ConversationResponse>('/conversation/create', {
         userId,
         title: title || `对话${Date.now()}`
@@ -89,7 +89,7 @@ export class ChatApiService {
   async getUserSessions(userId: string): Promise<ChatSession[]> {
     try {
       console.log('📂 获取用户会话API调用:', { userId })
-      // backend-single: GET /conversation/page?userId=xxx
+      // server: GET /conversation/page?userId=xxx
       const response = await http.get<any>('/conversation/page', { params: { userId, current: 1, size: 100 } })
       console.log('📂 获取用户会话API响应:', response)
 
@@ -132,7 +132,7 @@ export class ChatApiService {
   async deleteSession(sessionId: string): Promise<void> {
     try {
       console.log('🗑️ 删除会话API调用:', { sessionId })
-      // backend-single: DELETE /conversation/delete?id=xxx
+      // server: DELETE /conversation/delete?id=xxx
       await http.delete('/conversation/delete', { params: { id: sessionId } })
       console.log('✅ 删除会话成功')
     } catch (error) {
@@ -147,7 +147,7 @@ export class ChatApiService {
   async updateSessionTitle(sessionId: string, title: string): Promise<void> {
     try {
       console.log('✏️ 更新会话标题API调用:', { sessionId, title })
-      // backend-single: PUT /conversation/update 传id和title
+      // server: PUT /conversation/update 传id和title
       await http.put('/conversation/update', { id: sessionId, title })
       console.log('✅ 更新会话标题成功')
     } catch (error) {