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/App.tsx

@@ -0,0 +1,41 @@
+import { Navigate, Route, Routes } from 'react-router-dom'
+import type { JSX } from 'react'
+import { getToken } from '@/lib/api'
+import Layout from '@/components/Layout'
+import Login from '@/pages/Login'
+import Dashboard from '@/pages/Dashboard'
+import Users from '@/pages/Users'
+import Pets from '@/pages/Pets'
+import Posts from '@/pages/Posts'
+import Comments from '@/pages/Comments'
+import Articles from '@/pages/Articles'
+import Members from '@/pages/Members'
+
+function RequireAuth({ children }: { children: JSX.Element }) {
+  return getToken() ? children : <Navigate to="/login" replace />
+}
+
+export default function App() {
+  return (
+    <Routes>
+      <Route path="/login" element={<Login />} />
+      <Route
+        path="/"
+        element={
+          <RequireAuth>
+            <Layout />
+          </RequireAuth>
+        }
+      >
+        <Route index element={<Dashboard />} />
+        <Route path="users" element={<Users />} />
+        <Route path="pets" element={<Pets />} />
+        <Route path="posts" element={<Posts />} />
+        <Route path="comments" element={<Comments />} />
+        <Route path="articles" element={<Articles />} />
+        <Route path="members" element={<Members />} />
+      </Route>
+      <Route path="*" element={<Navigate to="/" replace />} />
+    </Routes>
+  )
+}