init: 毛孩子计划 小程序 + Go 后端 + 内嵌后台

- pets-fe: 微信原生小程序（首页/计划/记录/报告/社区/引导），
  服务端驱动、无假数据；弹层改用 scroll-view，打开时隐藏自定义 tabBar
- pets-be: Gin + GORM(MySQL, sundynix_ 前缀) + MinIO，统一响应/分页，
  微信 code2session 登录，provider-neutral AI(DeepSeek)，go:embed React 后台
- 修复：分段选择类型不匹配（字符串 vs 数字）导致选不中

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

pets-be/web/admin/src/lib/api.ts

@@ -0,0 +1,72 @@
+import axios from 'axios'
+
+const TOKEN_KEY = 'pets_admin_token'
+
+export function getToken() {
+  return localStorage.getItem(TOKEN_KEY) || ''
+}
+export function setToken(t: string) {
+  localStorage.setItem(TOKEN_KEY, t)
+}
+export function clearToken() {
+  localStorage.removeItem(TOKEN_KEY)
+}
+
+const http = axios.create({ baseURL: '/api' })
+
+http.interceptors.request.use((cfg) => {
+  const t = getToken()
+  if (t) cfg.headers.Authorization = `Bearer ${t}`
+  return cfg
+})
+
+// 统一响应 {code,message,data}：成功返回 data，失败抛错
+http.interceptors.response.use(
+  (resp) => {
+    const body = resp.data
+    if (body && typeof body === 'object' && 'code' in body) {
+      if (body.code === 0) return body.data
+      if (body.code === 40100) {
+        clearToken()
+        if (location.pathname !== '/admin/login') location.href = '/admin/login'
+      }
+      return Promise.reject(new Error(body.message || '请求失败'))
+    }
+    return body
+  },
+  (err) => Promise.reject(err),
+)
+
+export interface Page<T> {
+  list: T[]
+  total: number
+  page: number
+  page_size: number
+}
+
+export const api = {
+  login: (username: string, password: string) =>
+    http.post<any, { token: string; admin: any }>('/admin/login', { username, password }),
+  me: () => http.get<any, any>('/admin/me'),
+  stats: () => http.get<any, { users: number; pets: number; posts: number; records: number }>('/admin/stats'),
+
+  users: (params: any) => http.get<any, Page<any>>('/admin/users', { params }),
+  setUserDisabled: (id: number, disabled: boolean) =>
+    http.put(`/admin/users/${id}/disabled`, { disabled }),
+
+  pets: (params: any) => http.get<any, Page<any>>('/admin/pets', { params }),
+
+  posts: (params: any) => http.get<any, Page<any>>('/admin/posts', { params }),
+  setPostStatus: (id: number, status: string) => http.put(`/admin/posts/${id}/status`, { status }),
+
+  comments: (params: any) => http.get<any, Page<any>>('/admin/comments', { params }),
+  deleteComment: (id: number) => http.delete(`/admin/comments/${id}`),
+
+  articles: (params: any) => http.get<any, Page<any>>('/admin/articles', { params }),
+  saveArticle: (a: any) => http.post('/admin/articles', a),
+  deleteArticle: (id: number) => http.delete(`/admin/articles/${id}`),
+
+  memberships: (params: any) => http.get<any, Page<any>>('/admin/memberships', { params }),
+}
+
+export default http