feat: 品牌文案配置化 + 全页面下拉刷新

- 新增 configStore 管理品牌文案（appName, appSlogan, appDescription）
- 关于弹窗、分享标题使用 configStore 读取品牌名
- 所有数据页面添加下拉刷新功能
- 所有数据页面 onShow 时自动刷新数据

client/src/pages/profile/index.vue

@@ -84,10 +84,10 @@
     <!-- 关于弹窗 -->
     <view class="modal-mask" v-if="showAbout" @tap="showAbout = false">
       <view class="modal" @tap.stop>
-        <text class="about-title">小菜记账</text>
-        <text class="about-version">v{{ appConfig.app_version || '1.0.0' }}</text>
-        <text class="about-desc">{{ appConfig.app_slogan || '温暖 x 轻松的个人记账小程序' }}</text>
-        <text class="about-desc">{{ appConfig.app_description || '让记账从负担变成享受' }}</text>
+        <text class="about-title">{{ configStore.appName }}</text>
+        <text class="about-version">v{{ configStore.config.app_version || '1.0.0' }}</text>
+        <text class="about-desc">{{ configStore.appSlogan }}</text>
+        <text class="about-desc">{{ configStore.appDescription }}</text>
         <view class="modal-btns modal-btns-top">
           <view class="modal-btn confirm" @tap="showAbout = false">知道了</view>
         </view>
@@ -135,15 +135,15 @@
 
 <script setup lang="ts">
 import { ref, computed, onMounted } from 'vue'
-import { onShow } from '@dcloudio/uni-app'
+import { onShow, onPullDownRefresh } from '@dcloudio/uni-app'
 import { useTransactionStore } from '@/stores/transaction'
 import { useStatsStore } from '@/stores/stats'
 import { useBudgetStore } from '@/stores/budget'
 import { useUserStore } from '@/stores/user'
 import { useGroupStore } from '@/stores/group'
+import { useConfigStore } from '@/stores/config'
 import { waitForReady } from '@/utils/app-ready'
 import { getTransactions } from '@/api/transaction'
-import { getConfig } from '@/api/config'
 import { formatAmount } from '@/utils/format'
 import { statusBarHeight } from '@/utils/system'
 import Icon from '@/components/Icon/Icon.vue'
@@ -153,6 +153,7 @@ const statsStore = useStatsStore()
 const budgetStore = useBudgetStore()
 const userStore = useUserStore()
 const groupStore = useGroupStore()
+const configStore = useConfigStore()
 
 const overview = computed(() => statsStore.overview)
 const budget = computed(() => budgetStore.budget)
@@ -160,7 +161,6 @@ const loading = ref(true)
 const showAbout = ref(false)
 const showIdentity = ref(false)
 const initialLoaded = ref(false)
-const appConfig = ref<Record<string, string>>({})
 
 onMounted(async () => {
   await waitForReady()
@@ -171,8 +171,7 @@ onMounted(async () => {
       budgetStore.fetchBudget(),
       txStore.fetchTransactions({ page: 1, pageSize: 1 }),
       userStore.fetchUserInfo(),
-      groupStore.fetchGroups(),
-      getConfig().then(config => { appConfig.value = config }).catch(() => {})
+      groupStore.fetchGroups()
     ])
   } catch (e) {
     console.error('Profile load error:', e)
@@ -196,6 +195,20 @@ onShow(async () => {
   } catch {}
 })
 
+onPullDownRefresh(async () => {
+  try {
+    await Promise.all([
+      statsStore.fetchOverview(),
+      budgetStore.fetchBudget(),
+      txStore.fetchTransactions({ page: 1, pageSize: 1 }),
+      groupStore.fetchGroups(),
+      userStore.fetchUserInfo(),
+      configStore.fetchConfig()
+    ])
+  } catch {}
+  uni.stopPullDownRefresh()
+})
+
 function goBudget() {
   uni.navigateTo({ url: '/pages/budget/index' })
 }