feat(frontend): Align admin and user API integration

frontend/video-frontend-web/src/views/user/privacy.vue

@@ -0,0 +1,49 @@
+<template>
+  <div class="settings-subpage">
+    <van-nav-bar title="隐私设置" fixed placeholder left-arrow @click-left="router.back()" />
+    <van-cell-group inset>
+      <van-cell title="主页公开范围">
+        <template #right-icon>
+          <van-dropdown-menu>
+            <van-dropdown-item v-model="form.privacyLevel" :options="privacyOptions" />
+          </van-dropdown-menu>
+        </template>
+      </van-cell>
+      <van-cell title="个性签名可见" value="公开" />
+      <van-cell title="关注列表可见" value="仅自己可见" />
+    </van-cell-group>
+    <div class="submit">
+      <van-button type="primary" block @click="save">保存设置</van-button>
+    </div>
+  </div>
+</template>
+
+<script setup lang="ts">
+import { onMounted, reactive } from 'vue'
+import { useRouter } from 'vue-router'
+import { showSuccessToast } from 'vant'
+import { userApi } from '@/api/user.ts'
+
+const router = useRouter()
+const form = reactive({ privacyLevel: 1 })
+const privacyOptions = [
+  { text: '公开', value: 1 },
+  { text: '仅关注可见', value: 2 },
+  { text: '仅自己可见', value: 3 }
+]
+
+const save = async () => {
+  await userApi.updateSettings({ privacyLevel: form.privacyLevel })
+  showSuccessToast('已保存')
+}
+
+onMounted(async () => {
+  const settings = await userApi.getSettings()
+  form.privacyLevel = settings.privacyLevel
+})
+</script>
+
+<style scoped lang="scss">
+.settings-subpage { min-height: 100vh; background: #f6f7fb; }
+.submit { padding: 20px 16px; }
+</style>