feat(keys): add api key concurrency stats

frontend/src/i18n/locales/en.ts

@@ -743,6 +743,7 @@ export default {
     deleteConfirmMessage: "Are you sure you want to delete '{name}'? This action cannot be undone.",
     apiKey: 'API Key',
     group: 'Group',
+    currentConcurrency: 'Current Concurrency',
     noGroup: 'No group',
     searchGroup: 'Search groups...',
     noGroupFound: 'No groups found',

frontend/src/i18n/locales/zh.ts

@@ -742,6 +742,7 @@ export default {
     deleteConfirmMessage: "确定要删除 '{name}' 吗？此操作无法撤销。",
     apiKey: 'API 密钥',
     group: '分组',
+    currentConcurrency: '当前并发',
     noGroup: '无分组',
     searchGroup: '搜索分组...',
     noGroupFound: '未找到匹配的分组',

frontend/src/types/index.ts

@@ -577,6 +577,7 @@ export interface ApiKey {
   expires_at: string | null // Expiration time (null = never expires)
   created_at: string
   updated_at: string
+  current_concurrency: number
   group?: Group
   rate_limit_5h: number
   rate_limit_1d: number

frontend/src/views/user/KeysView.vue

@@ -166,6 +166,19 @@
             </div>
           </template>
 
+          <template #cell-current_concurrency="{ value }">
+            <span
+              :class="[
+                'inline-flex min-w-8 items-center justify-center rounded px-2 py-1 text-sm font-semibold tabular-nums',
+                (value ?? 0) > 0
+                  ? 'bg-emerald-50 text-emerald-700 ring-1 ring-emerald-200 dark:bg-emerald-900/25 dark:text-emerald-300 dark:ring-emerald-800'
+                  : 'bg-gray-100 text-gray-500 dark:bg-dark-700 dark:text-dark-400'
+              ]"
+            >
+              {{ value ?? 0 }}
+            </span>
+          </template>
+
           <template #cell-usage="{ row }">
             <div class="text-sm">
               <div class="flex items-center gap-1.5">
@@ -1135,6 +1148,7 @@ const allColumns = computed<Column[]>(() => [
   { key: 'name', label: t('common.name'), sortable: true },
   { key: 'key', label: t('keys.apiKey'), sortable: false },
   { key: 'group', label: t('keys.group'), sortable: false },
+  { key: 'current_concurrency', label: t('keys.currentConcurrency'), sortable: false },
   { key: 'usage', label: t('keys.usage'), sortable: false },
   { key: 'rate_limit', label: t('keys.rateLimitColumn'), sortable: false },
   { key: 'expires_at', label: t('keys.expiresAt'), sortable: true },

frontend/src/views/user/__tests__/KeysView.spec.ts

@@ -42,6 +42,7 @@ const messages: Record<string, string> = {
   'keys.created': 'Created',
   'keys.expiresAt': 'Expires',
   'keys.group': 'Group',
+  'keys.currentConcurrency': 'Current Concurrency',
   'keys.lastUsedAt': 'Last Used',
   'keys.rateLimitColumn': 'Rate Limit',
   'keys.searchPlaceholder': 'Search name or key...',
@@ -117,6 +118,7 @@ const createApiKey = (): ApiKey => ({
   expires_at: null,
   created_at: '2026-06-27T00:00:00Z',
   updated_at: '2026-06-27T00:00:00Z',
+  current_concurrency: 3,
   rate_limit_5h: 0,
   rate_limit_1d: 0,
   rate_limit_7d: 0,
@@ -154,6 +156,9 @@ const DataTableStub = {
       <div data-test="columns">{{ columns.map((col) => col.key).join(',') }}</div>
       <div v-for="row in data" :key="row.id">
         <slot name="cell-name" :value="row.name" :row="row" />
+        <div data-test="current-concurrency">
+          <slot name="cell-current_concurrency" :value="row.current_concurrency" :row="row" />
+        </div>
       </div>
       <slot name="empty" />
     </div>
@@ -251,6 +256,7 @@ describe('user KeysView column settings', () => {
       'name',
       'key',
       'group',
+      'current_concurrency',
       'usage',
       'expires_at',
       'status',
@@ -282,6 +288,7 @@ describe('user KeysView column settings', () => {
     expect(visibleColumnKeys(wrapper)).toEqual([
       'name',
       'key',
+      'current_concurrency',
       'usage',
       'rate_limit',
       'expires_at',
@@ -299,8 +306,15 @@ describe('user KeysView column settings', () => {
 
     const columnMenuText = wrapper.text()
     expect(columnMenuText).toContain('API Key')
+    expect(columnMenuText).toContain('Current Concurrency')
     expect(columnMenuText).toContain('Rate Limit')
     expect(columnMenuText).not.toContain('Name')
     expect(columnMenuText).not.toContain('Actions')
   })
+
+  it('renders the current concurrency value', async () => {
+    const wrapper = await mountView()
+
+    expect(wrapper.get('[data-test="current-concurrency"]').text()).toBe('3')
+  })
 })