feat(dashboard): add boss dashboard H5 and APIs

Implement the mobile dashboard frontend, admin overview APIs, report archive export, and local dev proxy so the boss dashboard can run against real backend data while preserving MSW demos.

Co-authored-by: Cursor <cursoragent@cursor.com>

dashboard-frontend/src/services/http/client.ts

@@ -0,0 +1,26 @@
+import axios from 'axios'
+
+export const httpClient = axios.create({
+  baseURL: import.meta.env.VITE_API_BASE_URL ?? '',
+  timeout: 8000,
+})
+
+export type ApiResponse<T> = {
+  code: number
+  message?: string
+  msg?: string
+  data: T
+}
+
+export async function getApiData<T>(url: string): Promise<T> {
+  const response = await httpClient.get<ApiResponse<T>>(url)
+  if (response.data.code !== 0 && response.data.code !== 200) {
+    throw new Error(response.data.msg ?? response.data.message ?? '接口请求失败')
+  }
+  return response.data.data
+}
+
+export async function getBlob(url: string): Promise<Blob> {
+  const response = await httpClient.get<Blob>(url, { responseType: 'blob' })
+  return response.data
+}