feat: 平台图标与计费修复

- fix(billing): 修复 OpenAI 兼容 API 缓存 token 重复计费问题
- fix(auth): 隐藏数据库错误详情，返回通用服务不可用错误
- feat(ui): 新增 PlatformIcon 组件，GroupBadge 支持平台颜色区分
- feat(ui): 账号管理新增重置状态按钮，重授权后自动清除错误
- feat(ui): 分组管理新增计费类型列，显示订阅限额信息
- ui: 首页 GPT 状态改为已支持

frontend/src/views/admin/AccountsView.vue

@@ -139,6 +139,17 @@
 
           <template #cell-actions="{ row }">
             <div class="flex items-center gap-1">
+              <!-- Reset Status button for error accounts -->
+              <button
+                v-if="row.status === 'error'"
+                @click="handleResetStatus(row)"
+                class="p-2 rounded-lg hover:bg-red-50 dark:hover:bg-red-900/20 text-red-500 hover:text-red-600 dark:hover:text-red-400 transition-colors"
+                :title="t('admin.accounts.resetStatus')"
+              >
+                <svg class="w-4 h-4" fill="none" stroke="currentColor" viewBox="0 0 24 24" stroke-width="1.5">
+                  <path stroke-linecap="round" stroke-linejoin="round" d="M9 15L3 9m0 0l6-6M3 9h12a6 6 0 010 12h-3" />
+                </svg>
+              </button>
               <!-- Clear Rate Limit button -->
               <button
                 v-if="isRateLimited(row) || isOverloaded(row)"
@@ -496,6 +507,23 @@ const handleClearRateLimit = async (account: Account) => {
   }
 }
 
+// Reset account status (clear error and rate limit)
+const handleResetStatus = async (account: Account) => {
+  try {
+    // Clear error status
+    await adminAPI.accounts.clearError(account.id)
+    // Also clear rate limit if exists
+    if (isRateLimited(account) || isOverloaded(account)) {
+      await adminAPI.accounts.clearRateLimit(account.id)
+    }
+    appStore.showSuccess(t('admin.accounts.statusReset'))
+    loadAccounts()
+  } catch (error: any) {
+    appStore.showError(error.response?.data?.detail || t('admin.accounts.failedToResetStatus'))
+    console.error('Error resetting account status:', error)
+  }
+}
+
 // Toggle schedulable
 const handleToggleSchedulable = async (account: Account) => {
   togglingSchedulable.value = account.id