Implement admin Excel import settings and chat preview

ai_knowledge_base_v2/apps/admin-web/src/services/api.ts

@@ -10,6 +10,7 @@ import type {
   DashboardStats,
   KnowledgeItem,
   ModelItem,
+  SystemConfigItem,
   UserImportResult,
 } from "../types/api";
 
@@ -56,6 +57,18 @@ async function download(path: string, filename: string) {
   window.URL.revokeObjectURL(url);
 }
 
+async function upload<T>(path: string, formData: FormData): Promise<T> {
+  const headers = new Headers();
+  const token = getToken();
+  if (token) headers.set("Authorization", `Bearer ${token}`);
+  const response = await fetch(`${API_BASE}${path}`, { method: "POST", body: formData, headers });
+  const body = (await response.json()) as ApiResponse<T> & { detail?: string };
+  if (!response.ok || body.code !== 0) {
+    throw new Error(body.message || body.detail || `${response.status} ${response.statusText}`);
+  }
+  return body.data;
+}
+
 function queryString(query: object) {
   const params = new URLSearchParams();
   Object.entries(query).forEach(([key, value]) => {
@@ -78,6 +91,12 @@ export const api = {
     request<AdminUser>("/admin/user", { method: "POST", body: JSON.stringify(payload) }),
   importUsers: (students: Record<string, unknown>[]) =>
     request<UserImportResult>("/admin/user/import", { method: "POST", body: JSON.stringify({ students }) }),
+  downloadStudentTemplate: () => download("/admin/user/import/template", "学员导入模板.xlsx"),
+  importUsersExcel: (file: File) => {
+    const formData = new FormData();
+    formData.append("file", file);
+    return upload<UserImportResult>("/admin/user/import/excel", formData);
+  },
   updateUser: (id: number, payload: Record<string, unknown>) =>
     request<AdminUser>(`/admin/user/${id}`, { method: "PUT", body: JSON.stringify(payload) }),
   deleteUser: (id: number) => request<null>(`/admin/user/${id}`, { method: "DELETE" }),
@@ -107,9 +126,9 @@ export const api = {
       method: "POST",
       body: "{}",
     }),
-  configs: () => request<Record<string, unknown>[]>("/admin/config"),
+  configs: () => request<SystemConfigItem[]>("/admin/config"),
   saveConfig: (payload: Record<string, unknown>) =>
-    request<Record<string, unknown>>("/admin/config", { method: "PUT", body: JSON.stringify(payload) }),
+    request<SystemConfigItem>("/admin/config", { method: "PUT", body: JSON.stringify(payload) }),
   chats: (query: ChatRecordQuery = {}) => request<ChatRecord[]>(`/admin/chat/list${queryString(query)}`),
   chatDetail: (sessionId: number) => request<ChatDetail>(`/admin/chat/${sessionId}`),
   exportChats: (query: ChatRecordQuery = {}) => download(`/admin/chat/export${queryString(query)}`, "chat_records.csv"),