fix(admin): persist provider settings and enforce quotas

frontend/src/features/providers/components/EndpointFormDialog.vue

@@ -941,7 +941,11 @@
             <SelectTrigger class="h-auto w-auto gap-1.5 !border-0 bg-transparent !shadow-none p-0 font-medium rounded-none flex-row-reverse !ring-0 !ring-offset-0 !outline-none [&>svg]:h-4 [&>svg]:w-4 [&>svg]:opacity-70">
               <SelectValue placeholder="选择格式..." />
             </SelectTrigger>
-            <SelectContent>
+            <SelectContent
+              :disable-portal="false"
+              align="start"
+              class="max-h-[min(24rem,var(--radix-select-content-available-height))] min-w-[max(12rem,var(--radix-select-trigger-width))]"
+            >
               <SelectItem
                 v-for="format in availableFormats"
                 :key="format.value"

frontend/src/features/providers/components/KeyFormDialog.vue

@@ -407,7 +407,7 @@ const props = defineProps<{
 
 const emit = defineEmits<{
   close: []
-  saved: []
+  saved: [key: EndpointAPIKey]
 }>()
 
 const { success, error: showError } = useToast()
@@ -1001,11 +1001,12 @@ async function handleSave() {
         updateData.auth_config = authConfig
       }
 
-      await updateProviderKey(props.editingKey.id, updateData)
+      const updatedKey = await updateProviderKey(props.editingKey.id, updateData)
       success(legacyT('密钥已更新'), legacyT('成功'))
+      emit('saved', updatedKey)
     } else {
       // 新增模式
-      await addProviderKey(props.providerId, {
+      const createdKey = await addProviderKey(props.providerId, {
         api_formats: form.value.api_formats,
         api_key: form.value.api_key,
         auth_type: form.value.auth_type,
@@ -1027,12 +1028,11 @@ async function handleSave() {
 
       success(legacyT('密钥已添加'), legacyT('成功'))
       // 添加模式：不关闭对话框，只清除名称和密钥以便继续添加
-      emit('saved')
+      emit('saved', createdKey)
       clearForNextAdd()
       return
     }
 
-    emit('saved')
     emit('close')
   } catch (err: unknown) {
     const errorMessage = parseApiError(err, legacyT('保存密钥失败'))

frontend/src/features/providers/components/OAuthKeyEditDialog.vue

@@ -217,7 +217,7 @@ const props = defineProps<{
 
 const emit = defineEmits<{
   close: []
-  saved: []
+  saved: [key: EndpointAPIKey]
 }>()
 
 const { success, error: showError } = useToast()
@@ -390,9 +390,9 @@ async function handleSave() {
       model_exclude_patterns: parsePatternText(form.value.model_exclude_patterns_text)
     }
 
-    await updateProviderKey(props.editingKey.id, updateData)
+    const updatedKey = await updateProviderKey(props.editingKey.id, updateData)
     success('账号已更新', '成功')
-    emit('saved')
+    emit('saved', updatedKey)
     emit('close')
   } catch (err: unknown) {
     const errorMessage = parseApiError(err, '保存失败')

frontend/src/features/providers/components/ProviderDetailDrawer.vue

@@ -2896,8 +2896,21 @@ async function openAntigravityQuotaDialog(key: EndpointAPIKey) {
   }
 }
 
-async function handleKeyChanged() {
+function applyUpdatedKeySnapshot(updatedKey: EndpointAPIKey) {
+  const index = providerKeys.value.findIndex(key => key.id === updatedKey.id)
+  if (index >= 0) {
+    providerKeys.value.splice(index, 1, updatedKey)
+  }
+  if (editingKey.value?.id === updatedKey.id) {
+    editingKey.value = updatedKey
+  }
+  syncCurrentSelections(endpoints.value, providerKeys.value)
+}
+
+async function handleKeyChanged(updatedKey?: EndpointAPIKey) {
+  if (updatedKey) applyUpdatedKeySnapshot(updatedKey)
   await Promise.all([loadProvider(), loadEndpoints(), loadMappingPreview()])
+  if (updatedKey) applyUpdatedKeySnapshot(updatedKey)
   emit('refresh')
   // 添加/修改 key 后自动获取已支持 provider 的配额（新 key 的 upstream_metadata 为空）
   void autoRefreshQuotaInBackground().then((changed) => {

frontend/src/features/providers/components/__tests__/endpoint-form-dialog-layout.spec.ts

@@ -0,0 +1,25 @@
+import { readFileSync } from 'node:fs'
+import { resolve } from 'node:path'
+import { describe, expect, it } from 'vitest'
+
+function readSource(path: string): string {
+  return readFileSync(resolve(process.cwd(), path), 'utf8')
+}
+
+describe('endpoint form dialog layout', () => {
+  it('portals the format selector outside the clipped dialog', () => {
+    const source = readSource('src/features/providers/components/EndpointFormDialog.vue')
+    const modelIndex = source.indexOf('v-model="newEndpoint.api_format"')
+    const selectStart = source.lastIndexOf('<Select', modelIndex)
+    const formatSelector = source.slice(
+      selectStart,
+      source.indexOf('</Select>', modelIndex),
+    )
+
+    expect(modelIndex).toBeGreaterThan(-1)
+    expect(selectStart).toBeGreaterThan(-1)
+    expect(formatSelector).toContain(':disable-portal="false"')
+    expect(formatSelector).toContain('var(--radix-select-content-available-height)')
+    expect(formatSelector).toContain('var(--radix-select-trigger-width)')
+  })
+})

frontend/src/features/providers/components/__tests__/provider-key-concurrent_limit.spec.ts

@@ -372,6 +372,9 @@ describe('provider key concurrent_limit form behavior', () => {
   })
 
   it('hydrates and serializes a positive concurrent_limit number from the normal key form', async () => {
+    const saved = vi.fn()
+    const updatedKey = createProviderKey({ rpm_limit: 42, concurrent_limit: 5 })
+    endpointMocks.updateProviderKey.mockResolvedValue(updatedKey)
     const root = mountDialog(KeyFormDialog, {
       open: true,
       endpoint: null,
@@ -379,6 +382,7 @@ describe('provider key concurrent_limit form behavior', () => {
       providerId: 'provider-1',
       providerType: 'openai',
       availableApiFormats: ['openai:chat'],
+      onSaved: saved,
     })
     await settle()
 
@@ -394,6 +398,7 @@ describe('provider key concurrent_limit form behavior', () => {
     expect(typeof payload.concurrent_limit).toBe('number')
     expect(payload.concurrent_limit).not.toBe('')
     expect(payload.rpm_limit).toBe(42)
+    expect(saved).toHaveBeenCalledWith(updatedKey)
   })
 
   it('serializes cleared normal key concurrent_limit as null instead of an empty string', async () => {