feat: add gemini model mapping whitelist for apikey and bulk edit

backend/internal/service/gateway_multiplatform_test.go

@@ -890,6 +890,55 @@ 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)
@@ -1065,6 +1114,36 @@ 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

@@ -2547,10 +2547,6 @@ 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)
 }

frontend/src/components/account/BulkEditAccountModal.vue

@@ -654,6 +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 { buildModelMappingObject as buildModelMappingPayload } from '@/composables/useModelWhitelist'
 
 interface Props {
   show: boolean
@@ -705,7 +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-opus-4-5-20251101', label: 'Claude Opus 4.5' },
@@ -722,10 +723,15 @@ const allModels = [
   { 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',
@@ -777,6 +783,24 @@ const presetMappings = [
     from: 'gpt-5.1-codex-max',
     to: 'gpt-5.1-codex',
     color: 'bg-pink-100 text-pink-700 hover:bg-pink-200 dark:bg-pink-900/30 dark:text-pink-400'
+  },
+  {
+    label: 'Gemini Flash 2.0',
+    from: 'gemini-2.0-flash',
+    to: 'gemini-2.0-flash',
+    color: 'bg-cyan-100 text-cyan-700 hover:bg-cyan-200 dark:bg-cyan-900/30 dark:text-cyan-400'
+  },
+  {
+    label: 'Gemini 2.5 Flash',
+    from: 'gemini-2.5-flash',
+    to: 'gemini-2.5-flash',
+    color: 'bg-teal-100 text-teal-700 hover:bg-teal-200 dark:bg-teal-900/30 dark:text-teal-400'
+  },
+  {
+    label: 'Gemini 2.5 Pro',
+    from: 'gemini-2.5-pro',
+    to: 'gemini-2.5-pro',
+    color: 'bg-sky-100 text-sky-700 hover:bg-sky-200 dark:bg-sky-900/30 dark:text-sky-400'
   }
 ]
 
@@ -866,23 +890,11 @@ const removeErrorCode = (code: number) => {
 }
 
 const buildModelMappingObject = (): Record<string, string> | null => {
-  const mapping: Record<string, string> = {}
+  return buildModelMappingPayload(
-
+    modelRestrictionMode.value,
-  if (modelRestrictionMode.value === 'whitelist') {
+    allowedModels.value,
-    for (const model of allowedModels.value) {
+    modelMappings.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
 }
 
 const buildUpdatePayload = (): Record<string, unknown> | null => {

frontend/src/components/account/CreateAccountModal.vue

@@ -862,8 +862,8 @@
           <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) -->
+        <!-- Model Restriction Section (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">
+        <div class="border-t border-gray-200 pt-4 dark:border-dark-600">
           <label class="input-label">{{ t('admin.accounts.modelRestriction') }}</label>
 
           <!-- Mode Toggle -->
@@ -1135,34 +1135,6 @@
           </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 -->

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) -->
+        <!-- Model Restriction Section (不适用于 Antigravity) -->
-        <div v-if="account.platform !== 'gemini' && account.platform !== 'antigravity'" class="border-t border-gray-200 pt-4 dark:border-dark-600">
+        <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>
 
           <!-- Mode Toggle -->
@@ -338,34 +338,6 @@
           </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) -->

frontend/src/types/index.ts

@@ -515,6 +515,7 @@ export interface ProxyAccountSummary {
 export interface GeminiCredentials {
   // API Key authentication
   api_key?: string
+  model_mapping?: Record<string, string>
 
   // OAuth authentication
   access_token?: string