Merge pull request #627 from touwaeriol/pr/bugfixes-and-enhancements

feat: 反重力（Antigravity）增强、Failover 重构及新模型支持

backend/internal/service/antigravity_model_mapping_test.go

@@ -76,6 +76,12 @@ func TestAntigravityGatewayService_GetMappedModel(t *testing.T) {
 		},
 
 		// 3. 默认映射中的透传（映射到自己）
+		{
+			name:           "默认映射透传 - claude-sonnet-4-6",
+			requestedModel: "claude-sonnet-4-6",
+			accountMapping: nil,
+			expected:       "claude-sonnet-4-6",
+		},
 		{
 			name:           "默认映射透传 - claude-sonnet-4-5",
 			requestedModel: "claude-sonnet-4-5",

backend/internal/service/antigravity_rate_limit_test.go

@@ -197,6 +197,22 @@ func TestHandleUpstreamError_429_NonModelRateLimit(t *testing.T) {
 	require.Equal(t, "claude-sonnet-4-5", repo.modelRateLimitCalls[0].modelKey)
 }
 
+// TestHandleUpstreamError_429_NonModelRateLimit_UsesMappedModelKey 测试 429 非模型限流场景
+// 验证：requestedModel 会被映射到 Antigravity 最终模型（例如 claude-opus-4-6 -> claude-opus-4-6-thinking）
+func TestHandleUpstreamError_429_NonModelRateLimit_UsesMappedModelKey(t *testing.T) {
+	repo := &stubAntigravityAccountRepo{}
+	svc := &AntigravityGatewayService{accountRepo: repo}
+	account := &Account{ID: 20, Name: "acc-20", Platform: PlatformAntigravity}
+
+	body := buildGeminiRateLimitBody("5s")
+
+	result := svc.handleUpstreamError(context.Background(), "[test]", account, http.StatusTooManyRequests, http.Header{}, body, "claude-opus-4-6", 0, "", false)
+
+	require.Nil(t, result)
+	require.Len(t, repo.modelRateLimitCalls, 1)
+	require.Equal(t, "claude-opus-4-6-thinking", repo.modelRateLimitCalls[0].modelKey)
+}
+
 // TestHandleUpstreamError_503_ModelCapacityExhausted 测试 503 模型容量不足场景
 // MODEL_CAPACITY_EXHAUSTED 时应等待重试，不切换账号
 func TestHandleUpstreamError_503_ModelCapacityExhausted(t *testing.T) {

backend/internal/service/billing_service.go

@@ -133,6 +133,18 @@ func (s *BillingService) initFallbackPricing() {
 		CacheReadPricePerToken:     0.03e-6, // $0.03 per MTok
 		SupportsCacheBreakdown:     false,
 	}
+
+	// Claude 4.6 Opus (与4.5同价)
+	s.fallbackPrices["claude-opus-4.6"] = s.fallbackPrices["claude-opus-4.5"]
+
+	// Gemini 3.1 Pro
+	s.fallbackPrices["gemini-3.1-pro"] = &ModelPricing{
+		InputPricePerToken:         2e-6,   // $2 per MTok
+		OutputPricePerToken:        12e-6,  // $12 per MTok
+		CacheCreationPricePerToken: 2e-6,   // $2 per MTok
+		CacheReadPricePerToken:     0.2e-6, // $0.20 per MTok
+		SupportsCacheBreakdown:     false,
+	}
 }
 
 // getFallbackPricing 根据模型系列获取回退价格
@@ -141,6 +153,9 @@ func (s *BillingService) getFallbackPricing(model string) *ModelPricing {
 
 	// 按模型系列匹配
 	if strings.Contains(modelLower, "opus") {
+		if strings.Contains(modelLower, "4.6") || strings.Contains(modelLower, "4-6") {
+			return s.fallbackPrices["claude-opus-4.6"]
+		}
 		if strings.Contains(modelLower, "4.5") || strings.Contains(modelLower, "4-5") {
 			return s.fallbackPrices["claude-opus-4.5"]
 		}
@@ -158,6 +173,9 @@ func (s *BillingService) getFallbackPricing(model string) *ModelPricing {
 		}
 		return s.fallbackPrices["claude-3-haiku"]
 	}
+	if strings.Contains(modelLower, "gemini-3.1-pro") || strings.Contains(modelLower, "gemini-3-1-pro") {
+		return s.fallbackPrices["gemini-3.1-pro"]
+	}
 
 	// 默认使用Sonnet价格
 	return s.fallbackPrices["claude-sonnet-4"]

backend/internal/service/gateway_multiplatform_test.go

@@ -895,6 +895,55 @@ func TestGatewayService_SelectAccountForModelWithPlatform_GeminiPreferOAuth(t *t
 	require.Equal(t, int64(2), acc.ID)
 }
 
+func TestGatewayService_SelectAccountForModelWithPlatform_GeminiAPIKeyModelMappingFilter(t *testing.T) {
+	ctx := context.Background()
+
+	repo := &mockAccountRepoForPlatform{
+		accounts: []Account{
+			{
+				ID:          1,
+				Platform:    PlatformGemini,
+				Type:        AccountTypeAPIKey,
+				Priority:    1,
+				Status:      StatusActive,
+				Schedulable: true,
+				Credentials: map[string]any{"model_mapping": map[string]any{"gemini-2.5-pro": "gemini-2.5-pro"}},
+			},
+			{
+				ID:          2,
+				Platform:    PlatformGemini,
+				Type:        AccountTypeAPIKey,
+				Priority:    2,
+				Status:      StatusActive,
+				Schedulable: true,
+				Credentials: map[string]any{"model_mapping": map[string]any{"gemini-2.5-flash": "gemini-2.5-flash"}},
+			},
+		},
+		accountsByID: map[int64]*Account{},
+	}
+	for i := range repo.accounts {
+		repo.accountsByID[repo.accounts[i].ID] = &repo.accounts[i]
+	}
+
+	cache := &mockGatewayCacheForPlatform{}
+
+	svc := &GatewayService{
+		accountRepo: repo,
+		cache:       cache,
+		cfg:         testConfig(),
+	}
+
+	acc, err := svc.selectAccountForModelWithPlatform(ctx, nil, "", "gemini-2.5-flash", nil, PlatformGemini)
+	require.NoError(t, err)
+	require.NotNil(t, acc)
+	require.Equal(t, int64(2), acc.ID, "应过滤不支持请求模型的 APIKey 账号")
+
+	acc, err = svc.selectAccountForModelWithPlatform(ctx, nil, "", "gemini-3-pro-preview", nil, PlatformGemini)
+	require.Error(t, err)
+	require.Nil(t, acc)
+	require.Contains(t, err.Error(), "supporting model")
+}
+
 func TestGatewayService_SelectAccountForModelWithPlatform_StickyInGroup(t *testing.T) {
 	ctx := context.Background()
 	groupID := int64(50)
@@ -1070,6 +1119,36 @@ func TestGatewayService_isModelSupportedByAccount(t *testing.T) {
 			model:    "claude-3-5-sonnet-20241022",
 			expected: true,
 		},
+		{
+			name:     "Gemini平台-无映射配置-支持所有模型",
+			account:  &Account{Platform: PlatformGemini, Type: AccountTypeAPIKey},
+			model:    "gemini-2.5-flash",
+			expected: true,
+		},
+		{
+			name: "Gemini平台-有映射配置-只支持配置的模型",
+			account: &Account{
+				Platform: PlatformGemini,
+				Type:     AccountTypeAPIKey,
+				Credentials: map[string]any{
+					"model_mapping": map[string]any{"gemini-2.5-pro": "gemini-2.5-pro"},
+				},
+			},
+			model:    "gemini-2.5-flash",
+			expected: false,
+		},
+		{
+			name: "Gemini平台-有映射配置-支持配置的模型",
+			account: &Account{
+				Platform: PlatformGemini,
+				Type:     AccountTypeAPIKey,
+				Credentials: map[string]any{
+					"model_mapping": map[string]any{"gemini-2.5-pro": "gemini-2.5-pro"},
+				},
+			},
+			model:    "gemini-2.5-pro",
+			expected: true,
+		},
 	}
 
 	for _, tt := range tests {

backend/internal/service/gateway_service.go

@@ -2825,10 +2825,6 @@ func (s *GatewayService) isModelSupportedByAccount(account *Account, requestedMo
 	if account.Platform == PlatformAnthropic && account.Type != AccountTypeAPIKey {
 		requestedModel = claude.NormalizeModelID(requestedModel)
 	}
-	// Gemini API Key 账户直接透传，由上游判断模型是否支持
-	if account.Platform == PlatformGemini && account.Type == AccountTypeAPIKey {
-		return true
-	}
 	// 其他平台使用账户的模型支持检查
 	return account.IsModelSupported(requestedModel)
 }

backend/internal/service/model_rate_limit_test.go

@@ -107,12 +107,12 @@ func TestIsModelRateLimited(t *testing.T) {
 			expected:       true,
 		},
 		{
-			name: "antigravity platform - gemini-3-pro-preview mapped to gemini-3.1-pro-high",
+			name: "antigravity platform - gemini-3-pro-preview mapped to gemini-3-pro-high",
 			account: &Account{
 				Platform: PlatformAntigravity,
 				Extra: map[string]any{
 					modelRateLimitsKey: map[string]any{
-						"gemini-3.1-pro-high": map[string]any{
+						"gemini-3-pro-high": map[string]any{
 							"rate_limit_reset_at": future,
 						},
 					},

backend/migrations/058_add_sonnet46_to_model_mapping.sql

+-- Add claude-sonnet-4-6 to model_mapping for all Antigravity accounts
+--
+-- Background:
+-- Antigravity now supports claude-sonnet-4-6
+--
+-- Strategy:
+-- Directly overwrite the entire model_mapping with updated mappings
+-- This ensures consistency with DefaultAntigravityModelMapping in constants.go
+
+UPDATE accounts
+SET credentials = jsonb_set(
+    credentials,
+    '{model_mapping}',
+    '{
+        "claude-opus-4-6-thinking": "claude-opus-4-6-thinking",
+        "claude-opus-4-6": "claude-opus-4-6-thinking",
+        "claude-opus-4-5-thinking": "claude-opus-4-6-thinking",
+        "claude-opus-4-5-20251101": "claude-opus-4-6-thinking",
+        "claude-sonnet-4-6": "claude-sonnet-4-6",
+        "claude-sonnet-4-5": "claude-sonnet-4-5",
+        "claude-sonnet-4-5-thinking": "claude-sonnet-4-5-thinking",
+        "claude-sonnet-4-5-20250929": "claude-sonnet-4-5",
+        "claude-haiku-4-5": "claude-sonnet-4-5",
+        "claude-haiku-4-5-20251001": "claude-sonnet-4-5",
+        "gemini-2.5-flash": "gemini-2.5-flash",
+        "gemini-2.5-flash-lite": "gemini-2.5-flash-lite",
+        "gemini-2.5-flash-thinking": "gemini-2.5-flash-thinking",
+        "gemini-2.5-pro": "gemini-2.5-pro",
+        "gemini-3-flash": "gemini-3-flash",
+        "gemini-3-pro-high": "gemini-3-pro-high",
+        "gemini-3-pro-low": "gemini-3-pro-low",
+        "gemini-3-pro-image": "gemini-3-pro-image",
+        "gemini-3-flash-preview": "gemini-3-flash",
+        "gemini-3-pro-preview": "gemini-3-pro-high",
+        "gemini-3-pro-image-preview": "gemini-3-pro-image",
+        "gpt-oss-120b-medium": "gpt-oss-120b-medium",
+        "tab_flash_lite_preview": "tab_flash_lite_preview"
+    }'::jsonb
+)
+WHERE platform = 'antigravity'
+  AND deleted_at IS NULL
+  AND credentials->'model_mapping' IS NOT NULL;

backend/migrations/059_add_gemini31_pro_to_model_mapping.sql

+-- Add gemini-3.1-pro-high, gemini-3.1-pro-low, gemini-3.1-pro-preview to model_mapping
+--
+-- Background:
+-- Antigravity now supports gemini-3.1-pro-high and gemini-3.1-pro-low
+--
+-- Strategy:
+-- Directly overwrite the entire model_mapping with updated mappings
+-- This ensures consistency with DefaultAntigravityModelMapping in constants.go
+
+UPDATE accounts
+SET credentials = jsonb_set(
+    credentials,
+    '{model_mapping}',
+    '{
+        "claude-opus-4-6-thinking": "claude-opus-4-6-thinking",
+        "claude-opus-4-6": "claude-opus-4-6-thinking",
+        "claude-opus-4-5-thinking": "claude-opus-4-6-thinking",
+        "claude-opus-4-5-20251101": "claude-opus-4-6-thinking",
+        "claude-sonnet-4-6": "claude-sonnet-4-6",
+        "claude-sonnet-4-5": "claude-sonnet-4-5",
+        "claude-sonnet-4-5-thinking": "claude-sonnet-4-5-thinking",
+        "claude-sonnet-4-5-20250929": "claude-sonnet-4-5",
+        "claude-haiku-4-5": "claude-sonnet-4-5",
+        "claude-haiku-4-5-20251001": "claude-sonnet-4-5",
+        "gemini-2.5-flash": "gemini-2.5-flash",
+        "gemini-2.5-flash-lite": "gemini-2.5-flash-lite",
+        "gemini-2.5-flash-thinking": "gemini-2.5-flash-thinking",
+        "gemini-2.5-pro": "gemini-2.5-pro",
+        "gemini-3-flash": "gemini-3-flash",
+        "gemini-3-pro-high": "gemini-3-pro-high",
+        "gemini-3-pro-low": "gemini-3-pro-low",
+        "gemini-3-pro-image": "gemini-3-pro-image",
+        "gemini-3-flash-preview": "gemini-3-flash",
+        "gemini-3-pro-preview": "gemini-3-pro-high",
+        "gemini-3-pro-image-preview": "gemini-3-pro-image",
+        "gemini-3.1-pro-high": "gemini-3.1-pro-high",
+        "gemini-3.1-pro-low": "gemini-3.1-pro-low",
+        "gemini-3.1-pro-preview": "gemini-3.1-pro-high",
+        "gpt-oss-120b-medium": "gpt-oss-120b-medium",
+        "tab_flash_lite_preview": "tab_flash_lite_preview"
+    }'::jsonb
+)
+WHERE platform = 'antigravity'
+  AND deleted_at IS NULL
+  AND credentials->'model_mapping' IS NOT NULL;

frontend/src/api/admin/accounts.ts

@@ -15,7 +15,9 @@ import type {
   AccountUsageStatsResponse,
   TempUnschedulableStatus,
   AdminDataPayload,
-  AdminDataImportResult
+  AdminDataImportResult,
+  CheckMixedChannelRequest,
+  CheckMixedChannelResponse
 } from '@/types'
 
 /**
@@ -133,6 +135,16 @@ export async function update(id: number, updates: UpdateAccountRequest): Promise
   return data
 }
 
+/**
+ * Check mixed-channel risk for account-group binding.
+ */
+export async function checkMixedChannelRisk(
+  payload: CheckMixedChannelRequest
+): Promise<CheckMixedChannelResponse> {
+  const { data } = await apiClient.post<CheckMixedChannelResponse>('/admin/accounts/check-mixed-channel', payload)
+  return data
+}
+
 /**
  * Delete account
  * @param id - Account ID
@@ -535,6 +547,7 @@ export const accountsAPI = {
   getById,
   create,
   update,
+  checkMixedChannelRisk,
   delete: deleteAccount,
   toggleStatus,
   testAccount,

frontend/src/components/account/AccountStatusIndicator.vue

@@ -77,13 +77,23 @@
     </div>
 
     <!-- Model Rate Limit Indicators (Antigravity OAuth Smart Retry) -->
-    <template v-if="activeModelRateLimits.length > 0">
-      <div v-for="item in activeModelRateLimits" :key="item.model" class="group relative">
+    <div
+      v-if="activeModelRateLimits.length > 0"
+      :class="[
+        activeModelRateLimits.length <= 4
+          ? 'flex flex-col gap-1'
+          : activeModelRateLimits.length <= 8
+            ? 'columns-2 gap-x-2'
+            : 'columns-3 gap-x-2'
+      ]"
+    >
+      <div v-for="item in activeModelRateLimits" :key="item.model" class="group relative mb-1 break-inside-avoid">
         <span
           class="inline-flex items-center gap-1 rounded bg-purple-100 px-1.5 py-0.5 text-xs font-medium text-purple-700 dark:bg-purple-900/30 dark:text-purple-400"
         >
           <Icon name="exclamationTriangle" size="xs" :stroke-width="2" />
           {{ formatScopeName(item.model) }}
+          <span class="text-[10px] opacity-70">{{ formatModelResetTime(item.reset_at) }}</span>
         </span>
         <!-- Tooltip -->
         <div
@@ -95,7 +105,7 @@
           ></div>
         </div>
       </div>
-    </template>
+    </div>
 
     <!-- Overload Indicator (529) -->
     <div v-if="isOverloaded" class="group relative">
@@ -154,17 +164,50 @@ const activeModelRateLimits = computed(() => {
 })
 
 const formatScopeName = (scope: string): string => {
-  const names: Record<string, string> = {
+  const aliases: Record<string, string> = {
+    // Claude 系列
+    'claude-opus-4-6-thinking': 'COpus46',
+    'claude-sonnet-4-6': 'CSon46',
+    'claude-sonnet-4-5': 'CSon45',
+    'claude-sonnet-4-5-thinking': 'CSon45T',
+    // Gemini 2.5 系列
+    'gemini-2.5-flash': 'G25F',
+    'gemini-2.5-flash-lite': 'G25FL',
+    'gemini-2.5-flash-thinking': 'G25FT',
+    'gemini-2.5-pro': 'G25P',
+    // Gemini 3 系列
+    'gemini-3-flash': 'G3F',
+    'gemini-3.1-pro-high': 'G3PH',
+    'gemini-3.1-pro-low': 'G3PL',
+    'gemini-3-pro-image': 'G3PI',
+    // 其他
+    'gpt-oss-120b-medium': 'GPT120',
+    'tab_flash_lite_preview': 'TabFL',
+    // 旧版 scope 别名（兼容）
     claude: 'Claude',
-    claude_sonnet: 'Claude Sonnet',
-    claude_opus: 'Claude Opus',
-    claude_haiku: 'Claude Haiku',
+    claude_sonnet: 'CSon',
+    claude_opus: 'COpus',
+    claude_haiku: 'CHaiku',
     gemini_text: 'Gemini',
-    gemini_image: 'Image',
-    gemini_flash: 'Gemini Flash',
-    gemini_pro: 'Gemini Pro'
+    gemini_image: 'GImg',
+    gemini_flash: 'GFlash',
+    gemini_pro: 'GPro',
   }
-  return names[scope] || scope
+  return aliases[scope] || scope
+}
+
+const formatModelResetTime = (resetAt: string): string => {
+  const date = new Date(resetAt)
+  const now = new Date()
+  const diffMs = date.getTime() - now.getTime()
+  if (diffMs <= 0) return ''
+  const totalSecs = Math.floor(diffMs / 1000)
+  const h = Math.floor(totalSecs / 3600)
+  const m = Math.floor((totalSecs % 3600) / 60)
+  const s = totalSecs % 60
+  if (h > 0) return `${h}h${m}m`
+  if (m > 0) return `${m}m${s}s`
+  return `${s}s`
 }
 
 // Computed: is overloaded (529)

frontend/src/components/account/AccountUsageCell.vue

@@ -172,12 +172,12 @@
           color="purple"
         />
 
-        <!-- Claude 4.5 -->
+        <!-- Claude -->
         <UsageProgressBar
-          v-if="antigravityClaude45UsageFromAPI !== null"
-          :label="t('admin.accounts.usageWindow.claude45')"
-          :utilization="antigravityClaude45UsageFromAPI.utilization"
-          :resets-at="antigravityClaude45UsageFromAPI.resetTime"
+          v-if="antigravityClaudeUsageFromAPI !== null"
+          :label="t('admin.accounts.usageWindow.claude')"
+          :utilization="antigravityClaudeUsageFromAPI.utilization"
+          :resets-at="antigravityClaudeUsageFromAPI.resetTime"
           color="amber"
         />
       </div>
@@ -400,9 +400,12 @@ const antigravity3FlashUsageFromAPI = computed(() => getAntigravityUsageFromAPI(
 // Gemini 3 Image from API
 const antigravity3ImageUsageFromAPI = computed(() => getAntigravityUsageFromAPI(['gemini-3-pro-image']))
 
-// Claude 4.5 from API
-const antigravityClaude45UsageFromAPI = computed(() =>
-  getAntigravityUsageFromAPI(['claude-sonnet-4-5', 'claude-opus-4-5-thinking'])
+// Claude from API (all Claude model variants)
+const antigravityClaudeUsageFromAPI = computed(() =>
+  getAntigravityUsageFromAPI([
+    'claude-sonnet-4-5', 'claude-opus-4-5-thinking',
+    'claude-sonnet-4-6', 'claude-opus-4-6-thinking',
+  ])
 )
 
 // Antigravity 账户类型（从 load_code_assist 响应中提取）

frontend/src/components/account/BulkEditAccountModal.vue

@@ -209,7 +209,7 @@
             <div v-if="modelMappings.length > 0" class="mb-3 space-y-2">
               <div
                 v-for="(mapping, index) in modelMappings"
-                :key="getModelMappingKey(mapping)"
+                :key="index"
                 class="flex items-center gap-2"
               >
                 <input
@@ -654,7 +654,7 @@ import Select from '@/components/common/Select.vue'
 import ProxySelector from '@/components/common/ProxySelector.vue'
 import GroupSelector from '@/components/common/GroupSelector.vue'
 import Icon from '@/components/icons/Icon.vue'
-import { createStableObjectKeyResolver } from '@/utils/stableObjectKey'
+import { buildModelMappingObject as buildModelMappingPayload } from '@/composables/useModelWhitelist'
 
 interface Props {
   show: boolean
@@ -696,7 +696,6 @@ const baseUrl = ref('')
 const modelRestrictionMode = ref<'whitelist' | 'mapping'>('whitelist')
 const allowedModels = ref<string[]>([])
 const modelMappings = ref<ModelMapping[]>([])
-const getModelMappingKey = createStableObjectKeyResolver<ModelMapping>('bulk-model-mapping')
 const selectedErrorCodes = ref<number[]>([])
 const customErrorCodeInput = ref<number | null>(null)
 const interceptWarmupRequests = ref(false)
@@ -707,7 +706,7 @@ const rateMultiplier = ref(1)
 const status = ref<'active' | 'inactive'>('active')
 const groupIds = ref<number[]>([])
 
-// All models list (combined Anthropic + OpenAI)
+// All models list (combined Anthropic + OpenAI + Gemini)
 const allModels = [
   { value: 'claude-opus-4-6', label: 'Claude Opus 4.6' },
   { value: 'claude-sonnet-4-6', label: 'Claude Sonnet 4.6' },
@@ -719,17 +718,21 @@ const allModels = [
   { value: 'claude-3-opus-20240229', label: 'Claude 3 Opus' },
   { value: 'claude-3-5-sonnet-20241022', label: 'Claude 3.5 Sonnet' },
   { value: 'claude-3-haiku-20240307', label: 'Claude 3 Haiku' },
-  { value: 'gpt-5.3-codex-spark', label: 'GPT-5.3 Codex Spark' },
   { value: 'gpt-5.2-2025-12-11', label: 'GPT-5.2' },
   { value: 'gpt-5.2-codex', label: 'GPT-5.2 Codex' },
   { value: 'gpt-5.1-codex-max', label: 'GPT-5.1 Codex Max' },
   { value: 'gpt-5.1-codex', label: 'GPT-5.1 Codex' },
   { value: 'gpt-5.1-2025-11-13', label: 'GPT-5.1' },
   { value: 'gpt-5.1-codex-mini', label: 'GPT-5.1 Codex Mini' },
-  { value: 'gpt-5-2025-08-07', label: 'GPT-5' }
+  { value: 'gpt-5-2025-08-07', label: 'GPT-5' },
+  { value: 'gemini-2.0-flash', label: 'Gemini 2.0 Flash' },
+  { value: 'gemini-2.5-flash', label: 'Gemini 2.5 Flash' },
+  { value: 'gemini-2.5-pro', label: 'Gemini 2.5 Pro' },
+  { value: 'gemini-3-flash-preview', label: 'Gemini 3 Flash Preview' },
+  { value: 'gemini-3-pro-preview', label: 'Gemini 3 Pro Preview' }
 ]
 
-// Preset mappings (combined Anthropic + OpenAI)
+// Preset mappings (combined Anthropic + OpenAI + Gemini)
 const presetMappings = [
   {
     label: 'Sonnet 4',
@@ -796,12 +799,6 @@ const presetMappings = [
     to: 'claude-sonnet-4-5-20250929',
     color: 'bg-amber-100 text-amber-700 hover:bg-amber-200 dark:bg-amber-900/30 dark:text-amber-400'
   },
-  {
-    label: 'GPT-5.3 Codex Spark',
-    from: 'gpt-5.3-codex-spark',
-    to: 'gpt-5.3-codex-spark',
-    color: 'bg-teal-100 text-teal-700 hover:bg-teal-200 dark:bg-teal-900/30 dark:text-teal-400'
-  },
   {
     label: 'GPT-5.2',
     from: 'gpt-5.2-2025-12-11',
@@ -938,23 +935,11 @@ const removeErrorCode = (code: number) => {
 }
 
 const buildModelMappingObject = (): Record<string, string> | null => {
-  const mapping: Record<string, string> = {}
-
-  if (modelRestrictionMode.value === 'whitelist') {
-    for (const model of allowedModels.value) {
-      mapping[model] = model
-    }
-  } else {
-    for (const m of modelMappings.value) {
-      const from = m.from.trim()
-      const to = m.to.trim()
-      if (from && to) {
-        mapping[from] = to
-      }
-    }
-  }
-
-  return Object.keys(mapping).length > 0 ? mapping : null
+  return buildModelMappingPayload(
+    modelRestrictionMode.value,
+    allowedModels.value,
+    modelMappings.value
+  )
 }
 
 const buildUpdatePayload = (): Record<string, unknown> | null => {

frontend/src/components/account/CreateAccountModal.vue

@@ -916,8 +916,8 @@
           <p class="input-hint">{{ t('admin.accounts.gemini.tier.aiStudioHint') }}</p>
         </div>
 
-        <!-- Model Restriction Section (不适用于 Gemini，Antigravity 已在上层条件排除) -->
-        <div v-if="form.platform !== 'gemini'" class="border-t border-gray-200 pt-4 dark:border-dark-600">
+        <!-- Model Restriction Section (Antigravity 已在上层条件排除) -->
+        <div class="border-t border-gray-200 pt-4 dark:border-dark-600">
           <label class="input-label">{{ t('admin.accounts.modelRestriction') }}</label>
 
           <div
@@ -1200,34 +1200,6 @@
           </div>
         </div>
 
-        <!-- Gemini 模型说明 -->
-        <div v-if="form.platform === 'gemini'" class="border-t border-gray-200 pt-4 dark:border-dark-600">
-          <div class="rounded-lg bg-blue-50 p-4 dark:bg-blue-900/20">
-            <div class="flex items-start gap-3">
-              <svg
-                class="h-5 w-5 flex-shrink-0 text-blue-600 dark:text-blue-400"
-                fill="none"
-                viewBox="0 0 24 24"
-                stroke="currentColor"
-              >
-                <path
-                  stroke-linecap="round"
-                  stroke-linejoin="round"
-                  stroke-width="2"
-                  d="M13 16h-1v-4h-1m1-4h.01M21 12a9 9 0 11-18 0 9 9 0 0118 0z"
-                />
-              </svg>
-              <div>
-                <p class="text-sm font-medium text-blue-800 dark:text-blue-300">
-                  {{ t('admin.accounts.gemini.modelPassthrough') }}
-                </p>
-                <p class="mt-1 text-xs text-blue-700 dark:text-blue-400">
-                  {{ t('admin.accounts.gemini.modelPassthroughDesc') }}
-                </p>
-              </div>
-            </div>
-          </div>
-        </div>
       </div>
 
       <!-- Temp Unschedulable Rules -->
@@ -1378,9 +1350,9 @@
         </div>
       </div>
 
-      <!-- Intercept Warmup Requests (Anthropic only) -->
+      <!-- Intercept Warmup Requests (Anthropic/Antigravity) -->
       <div
-        v-if="form.platform === 'anthropic'"
+        v-if="form.platform === 'anthropic' || form.platform === 'antigravity'"
         class="border-t border-gray-200 pt-4 dark:border-dark-600"
       >
         <div class="flex items-center justify-between">
@@ -2157,7 +2129,7 @@
   <ConfirmDialog
     :show="showMixedChannelWarning"
     :title="t('admin.accounts.mixedChannelWarningTitle')"
-    :message="mixedChannelWarningDetails ? t('admin.accounts.mixedChannelWarning', mixedChannelWarningDetails) : ''"
+    :message="mixedChannelWarningMessageText"
     :confirm-text="t('common.confirm')"
     :cancel-text="t('common.cancel')"
     :danger="true"
@@ -2189,13 +2161,21 @@ import {
 import { useOpenAIOAuth } from '@/composables/useOpenAIOAuth'
 import { useGeminiOAuth } from '@/composables/useGeminiOAuth'
 import { useAntigravityOAuth } from '@/composables/useAntigravityOAuth'
-import type { Proxy, AdminGroup, AccountPlatform, AccountType } from '@/types'
+import type {
+  Proxy,
+  AdminGroup,
+  AccountPlatform,
+  AccountType,
+  CheckMixedChannelResponse,
+  CreateAccountRequest
+} from '@/types'
 import BaseDialog from '@/components/common/BaseDialog.vue'
 import ConfirmDialog from '@/components/common/ConfirmDialog.vue'
 import Icon from '@/components/icons/Icon.vue'
 import ProxySelector from '@/components/common/ProxySelector.vue'
 import GroupSelector from '@/components/common/GroupSelector.vue'
 import ModelWhitelistSelector from '@/components/account/ModelWhitelistSelector.vue'
+import { applyInterceptWarmup } from '@/components/account/credentialsBuilder'
 import { formatDateTimeLocalInput, parseDateTimeLocalInput } from '@/utils/format'
 import { createStableObjectKeyResolver } from '@/utils/stableObjectKey'
 import OAuthAuthorizationFlow from './OAuthAuthorizationFlow.vue'
@@ -2337,10 +2317,13 @@ const getTempUnschedRuleKey = createStableObjectKeyResolver<TempUnschedRuleForm>
 const geminiOAuthType = ref<'code_assist' | 'google_one' | 'ai_studio'>('google_one')
 const geminiAIStudioOAuthEnabled = ref(false)
 
-// Mixed channel warning dialog state
 const showMixedChannelWarning = ref(false)
-const mixedChannelWarningDetails = ref<{ groupName: string; currentPlatform: string; otherPlatform: string } | null>(null)
-const pendingCreatePayload = ref<any>(null)
+const mixedChannelWarningDetails = ref<{ groupName: string; currentPlatform: string; otherPlatform: string } | null>(
+  null
+)
+const mixedChannelWarningRawMessage = ref('')
+const mixedChannelWarningAction = ref<(() => Promise<void>) | null>(null)
+const antigravityMixedChannelConfirmed = ref(false)
 const showAdvancedOAuth = ref(false)
 const showGeminiHelpDialog = ref(false)
 
@@ -2378,6 +2361,13 @@ const isOpenAIModelRestrictionDisabled = computed(() =>
   form.platform === 'openai' && openaiPassthroughEnabled.value
 )
 
+const mixedChannelWarningMessageText = computed(() => {
+  if (mixedChannelWarningDetails.value) {
+    return t('admin.accounts.mixedChannelWarning', mixedChannelWarningDetails.value)
+  }
+  return mixedChannelWarningRawMessage.value
+})
+
 const geminiQuotaDocs = {
   codeAssist: 'https://developers.google.com/gemini-code-assist/resources/quotas',
   aiStudio: 'https://ai.google.dev/pricing',
@@ -2544,8 +2534,8 @@ watch(
       antigravityModelMappings.value = []
       antigravityModelRestrictionMode.value = 'mapping'
     }
-    // Reset Anthropic-specific settings when switching to other platforms
-    if (newPlatform !== 'anthropic') {
+    // Reset Anthropic/Antigravity-specific settings when switching to other platforms
+    if (newPlatform !== 'anthropic' && newPlatform !== 'antigravity') {
       interceptWarmupRequests.value = false
     }
     if (newPlatform === 'sora') {
@@ -2794,6 +2784,105 @@ const splitTempUnschedKeywords = (value: string) => {
     .filter((item) => item.length > 0)
 }
 
+const needsMixedChannelCheck = (platform: AccountPlatform) => platform === 'antigravity' || platform === 'anthropic'
+
+const buildMixedChannelDetails = (resp?: CheckMixedChannelResponse) => {
+  const details = resp?.details
+  if (!details) {
+    return null
+  }
+  return {
+    groupName: details.group_name || 'Unknown',
+    currentPlatform: details.current_platform || 'Unknown',
+    otherPlatform: details.other_platform || 'Unknown'
+  }
+}
+
+const clearMixedChannelDialog = () => {
+  showMixedChannelWarning.value = false
+  mixedChannelWarningDetails.value = null
+  mixedChannelWarningRawMessage.value = ''
+  mixedChannelWarningAction.value = null
+}
+
+const openMixedChannelDialog = (opts: {
+  response?: CheckMixedChannelResponse
+  message?: string
+  onConfirm: () => Promise<void>
+}) => {
+  mixedChannelWarningDetails.value = buildMixedChannelDetails(opts.response)
+  mixedChannelWarningRawMessage.value =
+    opts.message || opts.response?.message || t('admin.accounts.failedToCreate')
+  mixedChannelWarningAction.value = opts.onConfirm
+  showMixedChannelWarning.value = true
+}
+
+const withAntigravityConfirmFlag = (payload: CreateAccountRequest): CreateAccountRequest => {
+  if (needsMixedChannelCheck(payload.platform) && antigravityMixedChannelConfirmed.value) {
+    return {
+      ...payload,
+      confirm_mixed_channel_risk: true
+    }
+  }
+  const cloned = { ...payload }
+  delete cloned.confirm_mixed_channel_risk
+  return cloned
+}
+
+const ensureAntigravityMixedChannelConfirmed = async (onConfirm: () => Promise<void>): Promise<boolean> => {
+  if (!needsMixedChannelCheck(form.platform)) {
+    return true
+  }
+  if (antigravityMixedChannelConfirmed.value) {
+    return true
+  }
+
+  try {
+    const result = await adminAPI.accounts.checkMixedChannelRisk({
+      platform: form.platform,
+      group_ids: form.group_ids
+    })
+    if (!result.has_risk) {
+      return true
+    }
+    openMixedChannelDialog({
+      response: result,
+      onConfirm: async () => {
+        antigravityMixedChannelConfirmed.value = true
+        await onConfirm()
+      }
+    })
+    return false
+  } catch (error: any) {
+    appStore.showError(error.response?.data?.message || error.response?.data?.detail || t('admin.accounts.failedToCreate'))
+    return false
+  }
+}
+
+const submitCreateAccount = async (payload: CreateAccountRequest) => {
+  submitting.value = true
+  try {
+    await adminAPI.accounts.create(withAntigravityConfirmFlag(payload))
+    appStore.showSuccess(t('admin.accounts.accountCreated'))
+    emit('created')
+    handleClose()
+  } catch (error: any) {
+    if (error.response?.status === 409 && error.response?.data?.error === 'mixed_channel_warning' && needsMixedChannelCheck(form.platform)) {
+      openMixedChannelDialog({
+        message: error.response?.data?.message,
+        onConfirm: async () => {
+          antigravityMixedChannelConfirmed.value = true
+          await submitCreateAccount(payload)
+        }
+      })
+      return
+    }
+    appStore.showError(error.response?.data?.message || error.response?.data?.detail || t('admin.accounts.failedToCreate'))
+  } finally {
+    submitting.value = false
+  }
+}
+
 // Methods
 const resetForm = () => {
   step.value = 1
@@ -2855,9 +2944,13 @@ const resetForm = () => {
   geminiOAuth.resetState()
   antigravityOAuth.resetState()
   oauthFlowRef.value?.reset()
+  antigravityMixedChannelConfirmed.value = false
+  clearMixedChannelDialog()
 }
 
 const handleClose = () => {
+  antigravityMixedChannelConfirmed.value = false
+  clearMixedChannelDialog()
   emit('close')
 }
 
@@ -2916,56 +3009,34 @@ const buildSoraExtra = (
 }
 
 // Helper function to create account with mixed channel warning handling
-const doCreateAccount = async (payload: any) => {
-  submitting.value = true
-  try {
-    await adminAPI.accounts.create(payload)
-    appStore.showSuccess(t('admin.accounts.accountCreated'))
-    emit('created')
-    handleClose()
-  } catch (error: any) {
-    // Handle 409 mixed_channel_warning - show confirmation dialog
-    if (error.response?.status === 409 && error.response?.data?.error === 'mixed_channel_warning') {
-      const details = error.response.data.details || {}
-      mixedChannelWarningDetails.value = {
-        groupName: details.group_name || 'Unknown',
-        currentPlatform: details.current_platform || 'Unknown',
-        otherPlatform: details.other_platform || 'Unknown'
-      }
-      pendingCreatePayload.value = payload
-      showMixedChannelWarning.value = true
-    } else {
-      appStore.showError(error.response?.data?.detail || t('admin.accounts.failedToCreate'))
-    }
-  } finally {
-    submitting.value = false
+const doCreateAccount = async (payload: CreateAccountRequest) => {
+  const canContinue = await ensureAntigravityMixedChannelConfirmed(async () => {
+    await submitCreateAccount(payload)
+  })
+  if (!canContinue) {
+    return
   }
+  await submitCreateAccount(payload)
 }
 
 // Handle mixed channel warning confirmation
 const handleMixedChannelConfirm = async () => {
-  showMixedChannelWarning.value = false
-  if (pendingCreatePayload.value) {
-    pendingCreatePayload.value.confirm_mixed_channel_risk = true
+  const action = mixedChannelWarningAction.value
+  if (!action) {
+    clearMixedChannelDialog()
+    return
+  }
+  clearMixedChannelDialog()
   submitting.value = true
   try {
-      await adminAPI.accounts.create(pendingCreatePayload.value)
-      appStore.showSuccess(t('admin.accounts.accountCreated'))
-      emit('created')
-      handleClose()
-    } catch (error: any) {
-      appStore.showError(error.response?.data?.detail || t('admin.accounts.failedToCreate'))
+    await action()
   } finally {
     submitting.value = false
-      pendingCreatePayload.value = null
-    }
   }
 }
 
 const handleMixedChannelCancel = () => {
-  showMixedChannelWarning.value = false
-  pendingCreatePayload.value = null
-  mixedChannelWarningDetails.value = null
+  clearMixedChannelDialog()
 }
 
 const handleSubmit = async () => {
@@ -2975,6 +3046,12 @@ const handleSubmit = async () => {
       appStore.showError(t('admin.accounts.pleaseEnterAccountName'))
       return
     }
+    const canContinue = await ensureAntigravityMixedChannelConfirmed(async () => {
+      step.value = 2
+    })
+    if (!canContinue) {
+      return
+    }
     step.value = 2
     return
   }
@@ -3010,15 +3087,10 @@ const handleSubmit = async () => {
       credentials.model_mapping = antigravityModelMapping
     }
 
-    submitting.value = true
-    try {
+    applyInterceptWarmup(credentials, interceptWarmupRequests.value, 'create')
+
     const extra = mixedScheduling.value ? { mixed_scheduling: true } : undefined
     await createAccountAndFinish(form.platform, 'apikey', credentials, extra)
-    } catch (error: any) {
-      appStore.showError(error.response?.data?.detail || t('admin.accounts.failedToCreate'))
-    } finally {
-      submitting.value = false
-    }
     return
   }
 
@@ -3059,10 +3131,7 @@ const handleSubmit = async () => {
     credentials.custom_error_codes = [...selectedErrorCodes.value]
   }
 
-  // Add intercept warmup requests setting
-  if (interceptWarmupRequests.value) {
-    credentials.intercept_warmup_requests = true
-  }
+  applyInterceptWarmup(credentials, interceptWarmupRequests.value, 'create')
   if (!applyTempUnschedConfig(credentials)) {
     return
   }
@@ -3132,7 +3201,7 @@ const createAccountAndFinish = async (
   if (!applyTempUnschedConfig(credentials)) {
     return
   }
-  await adminAPI.accounts.create({
+  await doCreateAccount({
     name: form.name,
     notes: form.notes,
     platform,
@@ -3147,9 +3216,6 @@ const createAccountAndFinish = async (
     expires_at: form.expires_at,
     auto_pause_on_expired: autoPauseOnExpired.value
   })
-  appStore.showSuccess(t('admin.accounts.accountCreated'))
-  emit('created')
-  handleClose()
 }
 
 // OpenAI OAuth 授权码兑换
@@ -3497,7 +3563,7 @@ const handleAntigravityValidateRT = async (refreshTokenInput: string) => {
         const accountName = refreshTokens.length > 1 ? `${form.name} #${i + 1}` : form.name
 
         // Note: Antigravity doesn't have buildExtraInfo, so we pass empty extra or rely on credentials
-        await adminAPI.accounts.create({
+        const createPayload = withAntigravityConfirmFlag({
           name: accountName,
           notes: form.notes,
           platform: 'antigravity',
@@ -3512,6 +3578,7 @@ const handleAntigravityValidateRT = async (refreshTokenInput: string) => {
           expires_at: form.expires_at,
           auto_pause_on_expired: autoPauseOnExpired.value
         })
+        await adminAPI.accounts.create(createPayload)
         successCount++
       } catch (error: any) {
         failedCount++
@@ -3606,6 +3673,7 @@ const handleAntigravityExchange = async (authCode: string) => {
 		if (!tokenInfo) return
 
 		const credentials = antigravityOAuth.buildCredentials(tokenInfo)
+		applyInterceptWarmup(credentials, interceptWarmupRequests.value, 'create')
 		// Antigravity 只使用映射模式
 		const antigravityModelMapping = buildModelMappingObject(
 			'mapping',
@@ -3677,10 +3745,8 @@ const handleAnthropicExchange = async (authCode: string) => {
       extra.cache_ttl_override_target = cacheTTLOverrideTarget.value
     }
 
-    const credentials = {
-      ...tokenInfo,
-      ...(interceptWarmupRequests.value ? { intercept_warmup_requests: true } : {})
-    }
+    const credentials: Record<string, unknown> = { ...tokenInfo }
+    applyInterceptWarmup(credentials, interceptWarmupRequests.value, 'create')
     await createAccountAndFinish(form.platform, addMethod.value as AccountType, credentials, extra)
   } catch (error: any) {
     oauth.error.value = error.response?.data?.detail || t('admin.accounts.oauth.authFailed')
@@ -3779,11 +3845,8 @@ const handleCookieAuth = async (sessionKey: string) => {
 
         const accountName = keys.length > 1 ? `${form.name} #${i + 1}` : form.name
 
-        // Merge interceptWarmupRequests into credentials
-        const credentials: Record<string, unknown> = {
-          ...tokenInfo,
-          ...(interceptWarmupRequests.value ? { intercept_warmup_requests: true } : {})
-        }
+        const credentials: Record<string, unknown> = { ...tokenInfo }
+        applyInterceptWarmup(credentials, interceptWarmupRequests.value, 'create')
         if (tempUnschedEnabled.value) {
           credentials.temp_unschedulable_enabled = true
           credentials.temp_unschedulable_rules = tempUnschedPayload

frontend/src/components/account/EditAccountModal.vue

@@ -65,8 +65,8 @@
           <p class="input-hint">{{ t('admin.accounts.leaveEmptyToKeep') }}</p>
         </div>
 
-        <!-- Model Restriction Section (不适用于 Gemini 和 Antigravity) -->
-        <div v-if="account.platform !== 'gemini' && account.platform !== 'antigravity'" class="border-t border-gray-200 pt-4 dark:border-dark-600">
+        <!-- Model Restriction Section (不适用于 Antigravity) -->
+        <div v-if="account.platform !== 'antigravity'" class="border-t border-gray-200 pt-4 dark:border-dark-600">
           <label class="input-label">{{ t('admin.accounts.modelRestriction') }}</label>
 
           <div
@@ -349,34 +349,6 @@
           </div>
         </div>
 
-        <!-- Gemini 模型说明 -->
-        <div v-if="account.platform === 'gemini'" class="border-t border-gray-200 pt-4 dark:border-dark-600">
-          <div class="rounded-lg bg-blue-50 p-4 dark:bg-blue-900/20">
-            <div class="flex items-start gap-3">
-              <svg
-                class="h-5 w-5 flex-shrink-0 text-blue-600 dark:text-blue-400"
-                fill="none"
-                viewBox="0 0 24 24"
-                stroke="currentColor"
-              >
-                <path
-                  stroke-linecap="round"
-                  stroke-linejoin="round"
-                  stroke-width="2"
-                  d="M13 16h-1v-4h-1m1-4h.01M21 12a9 9 0 11-18 0 9 9 0 0118 0z"
-                />
-              </svg>
-              <div>
-                <p class="text-sm font-medium text-blue-800 dark:text-blue-300">
-                  {{ t('admin.accounts.gemini.modelPassthrough') }}
-                </p>
-                <p class="mt-1 text-xs text-blue-700 dark:text-blue-400">
-                  {{ t('admin.accounts.gemini.modelPassthroughDesc') }}
-                </p>
-              </div>
-            </div>
-          </div>
-        </div>
       </div>
 
       <!-- Upstream fields (only for upstream type) -->
@@ -641,9 +613,9 @@
         </div>
       </div>
 
-      <!-- Intercept Warmup Requests (Anthropic only) -->
+      <!-- Intercept Warmup Requests (Anthropic/Antigravity) -->
       <div
-        v-if="account?.platform === 'anthropic'"
+        v-if="account?.platform === 'anthropic' || account?.platform === 'antigravity'"
         class="border-t border-gray-200 pt-4 dark:border-dark-600"
       >
         <div class="flex items-center justify-between">
@@ -1139,7 +1111,7 @@
   <ConfirmDialog
     :show="showMixedChannelWarning"
     :title="t('admin.accounts.mixedChannelWarningTitle')"
-    :message="mixedChannelWarningDetails ? t('admin.accounts.mixedChannelWarning', mixedChannelWarningDetails) : ''"
+    :message="mixedChannelWarningMessageText"
     :confirm-text="t('common.confirm')"
     :cancel-text="t('common.cancel')"
     :danger="true"
@@ -1154,7 +1126,7 @@ import { useI18n } from 'vue-i18n'
 import { useAppStore } from '@/stores/app'
 import { useAuthStore } from '@/stores/auth'
 import { adminAPI } from '@/api/admin'
-import type { Account, Proxy, AdminGroup } from '@/types'
+import type { Account, Proxy, AdminGroup, CheckMixedChannelResponse } from '@/types'
 import BaseDialog from '@/components/common/BaseDialog.vue'
 import ConfirmDialog from '@/components/common/ConfirmDialog.vue'
 import Select from '@/components/common/Select.vue'
@@ -1162,6 +1134,7 @@ import Icon from '@/components/icons/Icon.vue'
 import ProxySelector from '@/components/common/ProxySelector.vue'
 import GroupSelector from '@/components/common/GroupSelector.vue'
 import ModelWhitelistSelector from '@/components/account/ModelWhitelistSelector.vue'
+import { applyInterceptWarmup } from '@/components/account/credentialsBuilder'
 import { formatDateTimeLocalInput, parseDateTimeLocalInput } from '@/utils/format'
 import { createStableObjectKeyResolver } from '@/utils/stableObjectKey'
 import {
@@ -1233,10 +1206,13 @@ const getModelMappingKey = createStableObjectKeyResolver<ModelMapping>('edit-mod
 const getAntigravityModelMappingKey = createStableObjectKeyResolver<ModelMapping>('edit-antigravity-model-mapping')
 const getTempUnschedRuleKey = createStableObjectKeyResolver<TempUnschedRuleForm>('edit-temp-unsched-rule')
 
-// Mixed channel warning dialog state
 const showMixedChannelWarning = ref(false)
-const mixedChannelWarningDetails = ref<{ groupName: string; currentPlatform: string; otherPlatform: string } | null>(null)
-const pendingUpdatePayload = ref<Record<string, unknown> | null>(null)
+const mixedChannelWarningDetails = ref<{ groupName: string; currentPlatform: string; otherPlatform: string } | null>(
+  null
+)
+const mixedChannelWarningRawMessage = ref('')
+const mixedChannelWarningAction = ref<(() => Promise<void>) | null>(null)
+const antigravityMixedChannelConfirmed = ref(false)
 
 // Quota control state (Anthropic OAuth/SetupToken only)
 const windowCostEnabled = ref(false)
@@ -1297,6 +1273,13 @@ const defaultBaseUrl = computed(() => {
   return 'https://api.anthropic.com'
 })
 
+const mixedChannelWarningMessageText = computed(() => {
+  if (mixedChannelWarningDetails.value) {
+    return t('admin.accounts.mixedChannelWarning', mixedChannelWarningDetails.value)
+  }
+  return mixedChannelWarningRawMessage.value
+})
+
 const form = reactive({
   name: '',
   notes: '',
@@ -1326,6 +1309,11 @@ watch(
   () => props.account,
   (newAccount) => {
     if (newAccount) {
+      antigravityMixedChannelConfirmed.value = false
+      showMixedChannelWarning.value = false
+      mixedChannelWarningDetails.value = null
+      mixedChannelWarningRawMessage.value = ''
+      mixedChannelWarningAction.value = null
       form.name = newAccount.name
       form.notes = newAccount.notes || ''
       form.proxy_id = newAccount.proxy_id
@@ -1725,18 +1713,123 @@ function toPositiveNumber(value: unknown) {
   return Math.trunc(num)
 }
 
+const needsMixedChannelCheck = () => props.account?.platform === 'antigravity' || props.account?.platform === 'anthropic'
+
+const buildMixedChannelDetails = (resp?: CheckMixedChannelResponse) => {
+  const details = resp?.details
+  if (!details) {
+    return null
+  }
+  return {
+    groupName: details.group_name || 'Unknown',
+    currentPlatform: details.current_platform || 'Unknown',
+    otherPlatform: details.other_platform || 'Unknown'
+  }
+}
+
+const clearMixedChannelDialog = () => {
+  showMixedChannelWarning.value = false
+  mixedChannelWarningDetails.value = null
+  mixedChannelWarningRawMessage.value = ''
+  mixedChannelWarningAction.value = null
+}
+
+const openMixedChannelDialog = (opts: {
+  response?: CheckMixedChannelResponse
+  message?: string
+  onConfirm: () => Promise<void>
+}) => {
+  mixedChannelWarningDetails.value = buildMixedChannelDetails(opts.response)
+  mixedChannelWarningRawMessage.value =
+    opts.message || opts.response?.message || t('admin.accounts.failedToUpdate')
+  mixedChannelWarningAction.value = opts.onConfirm
+  showMixedChannelWarning.value = true
+}
+
+const withAntigravityConfirmFlag = (payload: Record<string, unknown>) => {
+  if (needsMixedChannelCheck() && antigravityMixedChannelConfirmed.value) {
+    return {
+      ...payload,
+      confirm_mixed_channel_risk: true
+    }
+  }
+  const cloned = { ...payload }
+  delete cloned.confirm_mixed_channel_risk
+  return cloned
+}
+
+const ensureAntigravityMixedChannelConfirmed = async (onConfirm: () => Promise<void>): Promise<boolean> => {
+  if (!needsMixedChannelCheck()) {
+    return true
+  }
+  if (antigravityMixedChannelConfirmed.value) {
+    return true
+  }
+  if (!props.account) {
+    return false
+  }
+
+  try {
+    const result = await adminAPI.accounts.checkMixedChannelRisk({
+      platform: props.account.platform,
+      group_ids: form.group_ids,
+      account_id: props.account.id
+    })
+    if (!result.has_risk) {
+      return true
+    }
+    openMixedChannelDialog({
+      response: result,
+      onConfirm: async () => {
+        antigravityMixedChannelConfirmed.value = true
+        await onConfirm()
+      }
+    })
+    return false
+  } catch (error: any) {
+    appStore.showError(error.response?.data?.message || error.response?.data?.detail || t('admin.accounts.failedToUpdate'))
+    return false
+  }
+}
+
 const formatDateTimeLocal = formatDateTimeLocalInput
 const parseDateTimeLocal = parseDateTimeLocalInput
 
 // Methods
 const handleClose = () => {
+  antigravityMixedChannelConfirmed.value = false
+  clearMixedChannelDialog()
   emit('close')
 }
 
+const submitUpdateAccount = async (accountID: number, updatePayload: Record<string, unknown>) => {
+  submitting.value = true
+  try {
+    const updatedAccount = await adminAPI.accounts.update(accountID, withAntigravityConfirmFlag(updatePayload))
+    appStore.showSuccess(t('admin.accounts.accountUpdated'))
+    emit('updated', updatedAccount)
+    handleClose()
+  } catch (error: any) {
+    if (error.response?.status === 409 && error.response?.data?.error === 'mixed_channel_warning' && needsMixedChannelCheck()) {
+      openMixedChannelDialog({
+        message: error.response?.data?.message,
+        onConfirm: async () => {
+          antigravityMixedChannelConfirmed.value = true
+          await submitUpdateAccount(accountID, updatePayload)
+        }
+      })
+      return
+    }
+    appStore.showError(error.response?.data?.message || error.response?.data?.detail || t('admin.accounts.failedToUpdate'))
+  } finally {
+    submitting.value = false
+  }
+}
+
 const handleSubmit = async () => {
   if (!props.account) return
+  const accountID = props.account.id
 
-  submitting.value = true
   const updatePayload: Record<string, unknown> = { ...form }
   try {
     // 后端期望 proxy_id: 0 表示清除代理，而不是 null
@@ -1768,7 +1861,6 @@ const handleSubmit = async () => {
         newCredentials.api_key = currentCredentials.api_key
       } else {
         appStore.showError(t('admin.accounts.apiKeyIsRequired'))
-        submitting.value = false
         return
       }
 
@@ -1789,11 +1881,8 @@ const handleSubmit = async () => {
       }
 
       // Add intercept warmup requests setting
-      if (interceptWarmupRequests.value) {
-        newCredentials.intercept_warmup_requests = true
-      }
+      applyInterceptWarmup(newCredentials, interceptWarmupRequests.value, 'edit')
       if (!applyTempUnschedConfig(newCredentials)) {
-        submitting.value = false
         return
       }
 
@@ -1808,8 +1897,10 @@ const handleSubmit = async () => {
         newCredentials.api_key = editApiKey.value.trim()
       }
 
+      // Add intercept warmup requests setting
+      applyInterceptWarmup(newCredentials, interceptWarmupRequests.value, 'edit')
+
       if (!applyTempUnschedConfig(newCredentials)) {
-        submitting.value = false
         return
       }
 
@@ -1819,13 +1910,8 @@ const handleSubmit = async () => {
       const currentCredentials = (props.account.credentials as Record<string, unknown>) || {}
       const newCredentials: Record<string, unknown> = { ...currentCredentials }
 
-      if (interceptWarmupRequests.value) {
-        newCredentials.intercept_warmup_requests = true
-      } else {
-        delete newCredentials.intercept_warmup_requests
-      }
+      applyInterceptWarmup(newCredentials, interceptWarmupRequests.value, 'edit')
       if (!applyTempUnschedConfig(newCredentials)) {
-        submitting.value = false
         return
       }
 
@@ -1955,52 +2041,36 @@ const handleSubmit = async () => {
       updatePayload.extra = newExtra
     }
 
-    const updatedAccount = await adminAPI.accounts.update(props.account.id, updatePayload)
-    appStore.showSuccess(t('admin.accounts.accountUpdated'))
-    emit('updated', updatedAccount)
-    handleClose()
-  } catch (error: any) {
-    // Handle 409 mixed_channel_warning - show confirmation dialog
-    if (error.response?.status === 409 && error.response?.data?.error === 'mixed_channel_warning') {
-      const details = error.response.data.details || {}
-      mixedChannelWarningDetails.value = {
-        groupName: details.group_name || 'Unknown',
-        currentPlatform: details.current_platform || 'Unknown',
-        otherPlatform: details.other_platform || 'Unknown'
+    const canContinue = await ensureAntigravityMixedChannelConfirmed(async () => {
+      await submitUpdateAccount(accountID, updatePayload)
+    })
+    if (!canContinue) {
+      return
     }
-      pendingUpdatePayload.value = updatePayload
-      showMixedChannelWarning.value = true
-    } else {
+
+    await submitUpdateAccount(accountID, updatePayload)
+  } catch (error: any) {
     appStore.showError(error.response?.data?.message || error.response?.data?.detail || t('admin.accounts.failedToUpdate'))
   }
-  } finally {
-    submitting.value = false
-  }
 }
 
 // Handle mixed channel warning confirmation
 const handleMixedChannelConfirm = async () => {
-  showMixedChannelWarning.value = false
-  if (pendingUpdatePayload.value && props.account) {
-    pendingUpdatePayload.value.confirm_mixed_channel_risk = true
+  const action = mixedChannelWarningAction.value
+  if (!action) {
+    clearMixedChannelDialog()
+    return
+  }
+  clearMixedChannelDialog()
   submitting.value = true
   try {
-      const updatedAccount = await adminAPI.accounts.update(props.account.id, pendingUpdatePayload.value)
-      appStore.showSuccess(t('admin.accounts.accountUpdated'))
-      emit('updated', updatedAccount)
-      handleClose()
-    } catch (error: any) {
-      appStore.showError(error.response?.data?.message || error.response?.data?.detail || t('admin.accounts.failedToUpdate'))
+    await action()
   } finally {
     submitting.value = false
-      pendingUpdatePayload.value = null
-    }
   }
 }
 
 const handleMixedChannelCancel = () => {
-  showMixedChannelWarning.value = false
-  pendingUpdatePayload.value = null
-  mixedChannelWarningDetails.value = null
+  clearMixedChannelDialog()
 }
 </script>

frontend/src/components/account/__tests__/credentialsBuilder.spec.ts

+import { describe, it, expect } from 'vitest'
+import { applyInterceptWarmup } from '../credentialsBuilder'
+
+describe('applyInterceptWarmup', () => {
+  it('create + enabled=true: should set intercept_warmup_requests to true', () => {
+    const creds: Record<string, unknown> = { access_token: 'tok' }
+    applyInterceptWarmup(creds, true, 'create')
+    expect(creds.intercept_warmup_requests).toBe(true)
+  })
+
+  it('create + enabled=false: should not add the field', () => {
+    const creds: Record<string, unknown> = { access_token: 'tok' }
+    applyInterceptWarmup(creds, false, 'create')
+    expect('intercept_warmup_requests' in creds).toBe(false)
+  })
+
+  it('edit + enabled=true: should set intercept_warmup_requests to true', () => {
+    const creds: Record<string, unknown> = { api_key: 'sk' }
+    applyInterceptWarmup(creds, true, 'edit')
+    expect(creds.intercept_warmup_requests).toBe(true)
+  })
+
+  it('edit + enabled=false + field exists: should delete the field', () => {
+    const creds: Record<string, unknown> = { api_key: 'sk', intercept_warmup_requests: true }
+    applyInterceptWarmup(creds, false, 'edit')
+    expect('intercept_warmup_requests' in creds).toBe(false)
+  })
+
+  it('edit + enabled=false + field absent: should not throw', () => {
+    const creds: Record<string, unknown> = { api_key: 'sk' }
+    applyInterceptWarmup(creds, false, 'edit')
+    expect('intercept_warmup_requests' in creds).toBe(false)
+  })
+
+  it('should not affect other fields', () => {
+    const creds: Record<string, unknown> = {
+      api_key: 'sk',
+      base_url: 'url',
+      intercept_warmup_requests: true
+    }
+    applyInterceptWarmup(creds, false, 'edit')
+    expect(creds.api_key).toBe('sk')
+    expect(creds.base_url).toBe('url')
+    expect('intercept_warmup_requests' in creds).toBe(false)
+  })
+})

frontend/src/components/account/credentialsBuilder.ts

+export function applyInterceptWarmup(
+  credentials: Record<string, unknown>,
+  enabled: boolean,
+  mode: 'create' | 'edit'
+): void {
+  if (enabled) {
+    credentials.intercept_warmup_requests = true
+  } else if (mode === 'edit') {
+    delete credentials.intercept_warmup_requests
+  }
+}

frontend/src/composables/useModelWhitelist.ts

@@ -76,6 +76,7 @@ const antigravityModels = [
   // Claude 4.5+ 系列
   'claude-opus-4-6',
   'claude-opus-4-5-thinking',
+  'claude-sonnet-4-6',
   'claude-sonnet-4-5',
   'claude-sonnet-4-5-thinking',
   // Gemini 2.5 系列
@@ -88,6 +89,9 @@ const antigravityModels = [
   'gemini-3-pro-high',
   'gemini-3-pro-low',
   'gemini-3-pro-image',
+  // Gemini 3.1 系列
+  'gemini-3.1-pro-high',
+  'gemini-3.1-pro-low',
   // 其他
   'gpt-oss-120b-medium',
   'tab_flash_lite_preview'
@@ -301,6 +305,7 @@ const antigravityPresetMappings = [
   { label: '3-Flash透传', from: 'gemini-3-flash', to: 'gemini-3-flash', color: 'bg-lime-100 text-lime-700 hover:bg-lime-200 dark:bg-lime-900/30 dark:text-lime-400' },
   { label: '2.5-Flash-Lite透传', from: 'gemini-2.5-flash-lite', to: 'gemini-2.5-flash-lite', color: 'bg-green-100 text-green-700 hover:bg-green-200 dark:bg-green-900/30 dark:text-green-400' },
   // 精确映射
+  { label: 'Sonnet 4.6', from: 'claude-sonnet-4-6', to: 'claude-sonnet-4-6', color: 'bg-cyan-100 text-cyan-700 hover:bg-cyan-200 dark:bg-cyan-900/30 dark:text-cyan-400' },
   { label: 'Sonnet 4.5', from: 'claude-sonnet-4-5', to: 'claude-sonnet-4-5', color: 'bg-cyan-100 text-cyan-700 hover:bg-cyan-200 dark:bg-cyan-900/30 dark:text-cyan-400' },
   { label: 'Opus 4.6-thinking', from: 'claude-opus-4-6-thinking', to: 'claude-opus-4-6-thinking', color: 'bg-pink-100 text-pink-700 hover:bg-pink-200 dark:bg-pink-900/30 dark:text-pink-400' }
 ]

frontend/src/i18n/locales/en.ts

@@ -2047,7 +2047,7 @@ export default {
         gemini3Pro: 'G3P',
         gemini3Flash: 'G3F',
         gemini3Image: 'G3I',
-        claude45: 'C4.5'
+        claude: 'Claude'
       },
       tier: {
         free: 'Free',

frontend/src/i18n/locales/zh.ts

@@ -1583,7 +1583,7 @@ export default {
         gemini3Pro: 'G3P',
         gemini3Flash: 'G3F',
         gemini3Image: 'G3I',
-        claude45: 'C4.5'
+        claude: 'Claude'
       },
       tier: {
         free: 'Free',

frontend/src/types/index.ts

@@ -581,6 +581,7 @@ export interface GeminiCredentials {
   token_type?: string
   scope?: string
   expires_at?: string
+  model_mapping?: Record<string, string>
 }
 
 export interface TempUnschedulableRule {
@@ -766,6 +767,26 @@ export interface UpdateAccountRequest {
   confirm_mixed_channel_risk?: boolean
 }
 
+export interface CheckMixedChannelRequest {
+  platform: AccountPlatform
+  group_ids: number[]
+  account_id?: number
+}
+
+export interface MixedChannelWarningDetails {
+  group_id: number
+  group_name: string
+  current_platform: string
+  other_platform: string
+}
+
+export interface CheckMixedChannelResponse {
+  has_risk: boolean
+  error?: string
+  message?: string
+  details?: MixedChannelWarningDetails
+}
+
 export interface CreateProxyRequest {
   name: string
   protocol: ProxyProtocol