feat: 消耗分析+认证修复+套装更新+认证简化

商业核算:
- 芳香调理技术作为体验项目，使用真实配方数据
- 新增消耗分析：每种精油可做次数、哪个最先消耗完、最多可做几次

个人库存:
- 芳香调理套装改为正确精油列表

商业认证:
- 简化为商户名+证明图片
- 通过后内容保持显示
- 用户管理页面根据用户实际认证状态显示（修复拒绝后又通过仍显示已拒绝）

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

frontend/src/views/UserManagement.vue

@@ -30,10 +30,10 @@
             <div class="review-info">
               <span class="review-name">{{ group.latest.display_name || group.latest.username }}</span>
               <span class="review-reason">商户名：{{ group.latest.business_name }}</span>
-              <span class="biz-status-tag" :class="'biz-' + group.latest.status">{{ { pending: '待审核', approved: '已通过', rejected: '已拒绝' }[group.latest.status] }}</span>
+              <span class="biz-status-tag" :class="'biz-' + group.effectiveStatus">{{ { pending: '待审核', approved: '已通过', rejected: '已拒绝' }[group.effectiveStatus] }}</span>
             </div>
             <div class="review-actions">
-              <template v-if="group.latest.status === 'pending'">
+              <template v-if="group.effectiveStatus === 'pending'">
                 <button class="btn-sm btn-approve" @click="approveBusiness(group.latest)">通过</button>
                 <button class="btn-sm btn-reject" @click="rejectBusiness(group.latest)">拒绝</button>
               </template>
@@ -141,6 +141,13 @@ const groupedBizApps = computed(() => {
   return Object.values(map).map(g => {
     g.history.sort((a, b) => b.id - a.id)
     g.latest = g.history[0]
+    // Check if user is already verified (from users list)
+    const user = users.value.find(u => (u._id || u.id) === g.user_id)
+    if (user && user.business_verified) {
+      g.effectiveStatus = 'approved'
+    } else {
+      g.effectiveStatus = g.latest.status
+    }
     return reactive(g)
   }).filter(g => g.latest)
 })