fix(auth): 统一超级管理员标识为布尔值true

- 将所有页面和菜单中超级管理员校验由数字1改为布尔true
- 平台管理、门店中心菜单项仅在isSuperAdmin===true时显示
- 门店中心页面移除店员门槛，改为超级管理员访问限制
- 非超级管理员访问门店中心弹窗提示并返回
- 首页工作台入口及相关访问权限判定切换为布尔判断
- 优化首屏加载状态，避免权限校验闪烁和误判

src/pages/admin/index/index.tsx

@@ -58,7 +58,7 @@ const FEATURE_CARDS = [
 
 export default function AdminCenterPage() {
   const { user, isLoggedIn, loading: userLoading } = useUser()
-  const isSuperAdmin = (user as any)?.isSuperAdmin === 1
+  const isSuperAdmin = (user as any)?.isSuperAdmin === true
 
   const [dataLoading, setDataLoading] = useState(true)
   const [pendingApps, setPendingApps] = useState(0)

src/pages/index/index.tsx

@@ -256,7 +256,7 @@ const IndexPage: React.FC = () => {
 
       <ScrollView scrollY style={{ height: scrollHeight }}>
         {/* 角色工作台入口：仅开发者 / 平台管理员 / 超级管理员可见 */}
-        {(isLoggedIn && ((user as any)?.isDeveloper || (user as any)?.isAdmin || (user as any)?.isSuperAdmin === 1)) && (
+        {(isLoggedIn && ((user as any)?.isDeveloper || (user as any)?.isAdmin || (user as any)?.isSuperAdmin === true)) && (
           <View className='mx-3 mt-2 grid grid-cols-2 gap-2'>
             {(user as any)?.isDeveloper && (
               <View
@@ -268,7 +268,7 @@ const IndexPage: React.FC = () => {
                 <Text className='text-sm font-medium text-blue-700'>开发者中心</Text>
               </View>
             )}
-            {(user as any)?.isSuperAdmin === 1 && (
+            {(user as any)?.isSuperAdmin === true && (
               <View
                 className='flex items-center justify-center py-3 rounded-lg border border-purple-100'
                 style={{ background: 'linear-gradient(135deg, #f5f3ff 0%, #ede9fe 100%)' }}

src/pages/store/center/index.tsx

@@ -63,7 +63,7 @@ const SUBSCRIBE_TMPL_IDS = [
 
 export default function StoreCenterPage() {
   const { user, isLoggedIn, loading: userLoading } = useUser()
-  const isSuperAdmin = (user as any)?.isSuperAdmin === 1
+  const isSuperAdmin = (user as any)?.isSuperAdmin === true
   const [storeInfo, setStoreInfo] = useState<any>(null)
   const [pendingVipCount, setPendingVipCount] = useState(0)
   const [pendingOrderCount, setPendingOrderCount] = useState(0)

src/pages/user/user.tsx

@@ -105,10 +105,10 @@ const UserPage: React.FC = () => {
         ...((user as any)?.isDeveloper
             ? [{ icon: '🛠️', label: '进入开发者中心', url: '/pages/developer/index/index', highlight: true, requireAuth: true }]
             : [{ icon: '🔰', label: '申请成为开发者', url: '/pages/user/vip-upgrade/index', highlight: true, requireAuth: true }]),
-        // 平台管理：仅 isSuperAdmin=1 用户显示
-        ...((user as any)?.isSuperAdmin === 1 ? [{ icon: '🛡️', label: '平台管理', url: '/pages/admin/index/index', requireAuth: true }] : []),
-        // 门店中心：仅 isSuperAdmin=1 用户显示
-        ...((user as any)?.isSuperAdmin === 1 ? [{ icon: '🏪', label: '门店中心', url: '/pages/store/center/index', requireAuth: true }] : []),
+        // 平台管理：仅 isSuperAdmin=true 用户显示
+        ...((user as any)?.isSuperAdmin === true ? [{ icon: '🛡️', label: '平台管理', url: '/pages/admin/index/index', requireAuth: true }] : []),
+        // 门店中心：仅 isSuperAdmin=true 用户显示
+        ...((user as any)?.isSuperAdmin === true ? [{ icon: '🏪', label: '门店中心', url: '/pages/store/center/index', requireAuth: true }] : []),
         { icon: '💰', label: '我的钱包', url: '/pages/user/wallet', requireAuth: true },
         { icon: '📍', label: '收货地址', url: '/pages/user/address-list', requireAuth: true },
         // { icon: '⭐', label: '积分明细', url: '/pages/user/points-record' },