Merge PR #73: feat(antigravity): 添加 Antigravity (Cloud AI Companion) 平台支持

新增功能: - Antigravity OAuth 授权流程支持 - Claude → Gemini 协议转换（Claude API 请求自动转换为 Gemini 格式） - 配额刷新和状态显示 - 混合调度功能，支持 Anthropic 和 Antigravity 账户混合使用 - /antigravity 专用路由，支持仅使用 Antigravity 账户 - 前端 Antigravity 服务商标识和账户管理功能冲突解决: - CreateAccountModal.vue: 合并 data-tour 属性和 mixed-scheduling 属性 - EditAccountModal.vue: 合并 data-tour 属性和 mixed-scheduling 属性代码质量改进: - 修复 antigravity 类型文件的 gofmt 格式问题（struct 字段对齐、interface{} → any） - 移除 .golangci.yml 中的 gofmt 排除规则 - 修复测试文件的格式问题
2025-12-29 20:32:20 +08:00
parent e85b35c6bd 42e2c5061d
commit c328b741cb
61 changed files with 7760 additions and 260 deletions
--- a/frontend/src/api/admin/antigravity.ts
+++ b/frontend/src/api/admin/antigravity.ts
@@ -0,0 +1,56 @@
+/**
+ * Admin Antigravity API endpoints
+ * Handles Antigravity (Google Cloud AI Companion) OAuth flows for administrators
+ */
+
+import { apiClient } from '../client'
+
+export interface AntigravityAuthUrlResponse {
+  auth_url: string
+  session_id: string
+  state: string
+}
+
+export interface AntigravityAuthUrlRequest {
+  proxy_id?: number
+}
+
+export interface AntigravityExchangeCodeRequest {
+  session_id: string
+  state: string
+  code: string
+  proxy_id?: number
+}
+
+export interface AntigravityTokenInfo {
+  access_token?: string
+  refresh_token?: string
+  token_type?: string
+  expires_at?: number | string
+  expires_in?: number
+  project_id?: string
+  email?: string
+  [key: string]: unknown
+}
+
+export async function generateAuthUrl(
+  payload: AntigravityAuthUrlRequest
+): Promise<AntigravityAuthUrlResponse> {
+  const { data } = await apiClient.post<AntigravityAuthUrlResponse>(
+    '/admin/antigravity/oauth/auth-url',
+    payload
+  )
+  return data
+}
+
+export async function exchangeCode(
+  payload: AntigravityExchangeCodeRequest
+): Promise<AntigravityTokenInfo> {
+  const { data } = await apiClient.post<AntigravityTokenInfo>(
+    '/admin/antigravity/oauth/exchange-code',
+    payload
+  )
+  return data
+}
+
+export default { generateAuthUrl, exchangeCode }
--- a/frontend/src/api/admin/index.ts
+++ b/frontend/src/api/admin/index.ts
@@ -14,6 +14,7 @@ import systemAPI from './system'
 import subscriptionsAPI from './subscriptions'
 import usageAPI from './usage'
 import geminiAPI from './gemini'
+import antigravityAPI from './antigravity'

 /**
 * Unified admin API object for convenient access
@@ -29,7 +30,8 @@ export const adminAPI = {
  system: systemAPI,
  subscriptions: subscriptionsAPI,
  usage: usageAPI,
-  gemini: geminiAPI
+  gemini: geminiAPI,
+  antigravity: antigravityAPI
 }

 export {
@@ -43,7 +45,8 @@ export {
  systemAPI,
  subscriptionsAPI,
  usageAPI,
-  geminiAPI
+  geminiAPI,
+  antigravityAPI
 }

 export default adminAPI
--- a/frontend/src/components/account/AccountUsageCell.vue
+++ b/frontend/src/components/account/AccountUsageCell.vue
@@ -93,6 +93,60 @@
      <div v-else class="text-xs text-gray-400">-</div>
    </template>

+    <!-- Antigravity OAuth accounts: show quota from extra field -->
+    <template v-else-if="account.platform === 'antigravity' && account.type === 'oauth'">
+      <!-- 账户类型徽章 -->
+      <div v-if="antigravityTierLabel" class="mb-1">
+        <span
+          :class="[
+            'inline-block rounded px-1.5 py-0.5 text-[10px] font-medium',
+            antigravityTierClass
+          ]"
+        >
+          {{ antigravityTierLabel }}
+        </span>
+      </div>
+
+      <div v-if="hasAntigravityQuota" class="space-y-1">
+        <!-- Gemini 3 Pro -->
+        <UsageProgressBar
+          v-if="antigravity3ProUsage !== null"
+          :label="t('admin.accounts.usageWindow.gemini3Pro')"
+          :utilization="antigravity3ProUsage.utilization"
+          :resets-at="antigravity3ProUsage.resetTime"
+          color="indigo"
+        />
+
+        <!-- Gemini 3 Flash -->
+        <UsageProgressBar
+          v-if="antigravity3FlashUsage !== null"
+          :label="t('admin.accounts.usageWindow.gemini3Flash')"
+          :utilization="antigravity3FlashUsage.utilization"
+          :resets-at="antigravity3FlashUsage.resetTime"
+          color="emerald"
+        />
+
+        <!-- Gemini 3 Image -->
+        <UsageProgressBar
+          v-if="antigravity3ImageUsage !== null"
+          :label="t('admin.accounts.usageWindow.gemini3Image')"
+          :utilization="antigravity3ImageUsage.utilization"
+          :resets-at="antigravity3ImageUsage.resetTime"
+          color="purple"
+        />
+
+        <!-- Claude 4.5 -->
+        <UsageProgressBar
+          v-if="antigravityClaude45Usage !== null"
+          :label="t('admin.accounts.usageWindow.claude45')"
+          :utilization="antigravityClaude45Usage.utilization"
+          :resets-at="antigravityClaude45Usage.resetTime"
+          color="amber"
+        />
+      </div>
+      <div v-else class="text-xs text-gray-400">-</div>
+    </template>
+
    <!-- Other accounts: no usage window -->
    <template v-else>
      <div class="text-xs text-gray-400">-</div>
@@ -273,6 +327,117 @@ const codex7dResetAt = computed(() => {
  return null
 })

+// Antigravity quota types
+interface AntigravityModelQuota {
+  remaining: number // 剩余百分比 0-100
+  reset_time: string // ISO 8601 重置时间
+}
+
+interface AntigravityQuotaData {
+  [model: string]: AntigravityModelQuota
+}
+
+interface AntigravityUsageResult {
+  utilization: number
+  resetTime: string | null
+}
+
+// Antigravity quota computed properties
+const hasAntigravityQuota = computed(() => {
+  const extra = props.account.extra as Record<string, unknown> | undefined
+  return extra && typeof extra.quota === 'object' && extra.quota !== null
+})
+
+// 从配额数据中获取使用率（多模型取最低剩余 = 最高使用）
+const getAntigravityUsage = (
+  modelNames: string[]
+): AntigravityUsageResult | null => {
+  const extra = props.account.extra as Record<string, unknown> | undefined
+  if (!extra || typeof extra.quota !== 'object' || extra.quota === null) return null
+
+  const quota = extra.quota as AntigravityQuotaData
+
+  let minRemaining = 100
+  let earliestReset: string | null = null
+
+  for (const model of modelNames) {
+    const modelQuota = quota[model]
+    if (!modelQuota) continue
+
+    if (modelQuota.remaining < minRemaining) {
+      minRemaining = modelQuota.remaining
+    }
+    if (modelQuota.reset_time) {
+      if (!earliestReset || modelQuota.reset_time < earliestReset) {
+        earliestReset = modelQuota.reset_time
+      }
+    }
+  }
+
+  // 如果没有找到任何匹配的模型
+  if (minRemaining === 100 && earliestReset === null) {
+    // 检查是否至少有一个模型有数据
+    const hasAnyData = modelNames.some((m) => quota[m])
+    if (!hasAnyData) return null
+  }
+
+  return {
+    utilization: 100 - minRemaining,
+    resetTime: earliestReset
+  }
+}
+
+// Gemini 3 Pro: gemini-3-pro-low, gemini-3-pro-high, gemini-3-pro-preview
+const antigravity3ProUsage = computed(() =>
+  getAntigravityUsage(['gemini-3-pro-low', 'gemini-3-pro-high', 'gemini-3-pro-preview'])
+)
+
+// Gemini 3 Flash: gemini-3-flash
+const antigravity3FlashUsage = computed(() => getAntigravityUsage(['gemini-3-flash']))
+
+// Gemini 3 Image: gemini-3-pro-image
+const antigravity3ImageUsage = computed(() => getAntigravityUsage(['gemini-3-pro-image']))
+
+// Claude 4.5: claude-sonnet-4-5, claude-opus-4-5-thinking
+const antigravityClaude45Usage = computed(() =>
+  getAntigravityUsage(['claude-sonnet-4-5', 'claude-opus-4-5-thinking'])
+)
+
+// Antigravity 账户类型
+const antigravityTier = computed(() => {
+  const extra = props.account.extra as Record<string, unknown> | undefined
+  if (!extra || typeof extra.tier !== 'string') return null
+  return extra.tier as string
+})
+
+// 账户类型显示标签
+const antigravityTierLabel = computed(() => {
+  switch (antigravityTier.value) {
+    case 'free-tier':
+      return t('admin.accounts.tier.free')
+    case 'g1-pro-tier':
+      return t('admin.accounts.tier.pro')
+    case 'g1-ultra-tier':
+      return t('admin.accounts.tier.ultra')
+    default:
+      return null
+  }
+})
+
+// 账户类型徽章样式
+const antigravityTierClass = computed(() => {
+  switch (antigravityTier.value) {
+    case 'free-tier':
+      return 'bg-gray-100 text-gray-600 dark:bg-gray-700 dark:text-gray-300'
+    case 'g1-pro-tier':
+      return 'bg-blue-100 text-blue-600 dark:bg-blue-900/40 dark:text-blue-300'
+    case 'g1-ultra-tier':
+      return 'bg-purple-100 text-purple-600 dark:bg-purple-900/40 dark:text-purple-300'
+    default:
+      return ''
+  }
+})
+
 const loadUsage = async () => {
  // Fetch usage for Anthropic OAuth and Setup Token accounts
  // OpenAI usage comes from account.extra field (updated during forwarding)
--- a/frontend/src/components/account/CreateAccountModal.vue
+++ b/frontend/src/components/account/CreateAccountModal.vue
@@ -136,6 +136,31 @@
            </svg>
            Gemini
          </button>
+          <button
+            type="button"
+            @click="form.platform = 'antigravity'"
+            :class="[
+              'flex flex-1 items-center justify-center gap-2 rounded-md px-4 py-2.5 text-sm font-medium transition-all',
+              form.platform === 'antigravity'
+                ? 'bg-white text-purple-600 shadow-sm dark:bg-dark-600 dark:text-purple-400'
+                : 'text-gray-600 hover:text-gray-900 dark:text-gray-400 dark:hover:text-gray-200'
+            ]"
+          >
+            <svg
+              class="h-4 w-4"
+              fill="none"
+              viewBox="0 0 24 24"
+              stroke="currentColor"
+              stroke-width="1.5"
+            >
+              <path
+                stroke-linecap="round"
+                stroke-linejoin="round"
+                d="M2.25 15a4.5 4.5 0 004.5 4.5H18a3.75 3.75 0 001.332-7.257 3 3 0 00-3.758-3.848 5.25 5.25 0 00-10.233 2.33A4.502 4.502 0 002.25 15z"
+              />
+            </svg>
+            Antigravity
+          </button>
        </div>
      </div>

@@ -488,6 +513,36 @@
        </div>
      </div>

+      <!-- Account Type Selection (Antigravity - OAuth only) -->
+      <div v-if="form.platform === 'antigravity'">
+        <label class="input-label">{{ t('admin.accounts.accountType') }}</label>
+        <div class="mt-2">
+          <div
+            class="flex items-center gap-3 rounded-lg border-2 border-purple-500 bg-purple-50 p-3 dark:bg-purple-900/20"
+          >
+            <div class="flex h-8 w-8 items-center justify-center rounded-lg bg-purple-500 text-white">
+              <svg
+                class="h-4 w-4"
+                fill="none"
+                viewBox="0 0 24 24"
+                stroke="currentColor"
+                stroke-width="1.5"
+              >
+                <path
+                  stroke-linecap="round"
+                  stroke-linejoin="round"
+                  d="M15.75 5.25a3 3 0 013 3m3 0a6 6 0 01-7.029 5.912c-.563-.097-1.159.026-1.563.43L10.5 17.25H8.25v2.25H6v2.25H2.25v-2.818c0-.597.237-1.17.659-1.591l6.499-6.499c.404-.404.527-1 .43-1.563A6 6 0 1121.75 8.25z"
+                />
+              </svg>
+            </div>
+            <div>
+              <span class="block text-sm font-medium text-gray-900 dark:text-white">OAuth</span>
+              <span class="text-xs text-gray-500 dark:text-gray-400">{{ t('admin.accounts.types.antigravityOauth') }}</span>
+            </div>
+          </div>
+        </div>
+      </div>
+
      <!-- Add Method (only for Anthropic OAuth-based type) -->
      <div v-if="form.platform === 'anthropic' && isOAuthFlow">
        <label class="input-label">{{ t('admin.accounts.addMethod') }}</label>
@@ -971,11 +1026,46 @@
        </div>
      </div>

-      <!-- Group Selection - 仅标准模式显示 -->
-      <div v-if="!authStore.isSimpleMode" data-tour="account-form-groups">
-        <GroupSelector v-model="form.group_ids" :groups="groups" :platform="form.platform" />
+      <!-- Mixed Scheduling (only for antigravity accounts) -->
+      <div v-if="form.platform === 'antigravity'" class="flex items-center gap-2">
+        <label class="flex cursor-pointer items-center gap-2">
+          <input
+            type="checkbox"
+            v-model="mixedScheduling"
+            class="h-4 w-4 rounded border-gray-300 text-primary-500 focus:ring-primary-500 dark:border-dark-500"
+          />
+          <span class="text-sm font-medium text-gray-700 dark:text-gray-300">
+            {{ t('admin.accounts.mixedScheduling') }}
+          </span>
+        </label>
+        <div class="group relative">
+          <span
+            class="inline-flex h-4 w-4 cursor-help items-center justify-center rounded-full bg-gray-200 text-xs text-gray-500 hover:bg-gray-300 dark:bg-dark-600 dark:text-gray-400 dark:hover:bg-dark-500"
+          >
+            ?
+          </span>
+          <!-- Tooltip（向下显示避免被弹窗裁剪） -->
+          <div
+            class="pointer-events-none absolute left-0 top-full z-[100] mt-1.5 w-72 rounded bg-gray-900 px-3 py-2 text-xs text-white opacity-0 transition-opacity group-hover:opacity-100 dark:bg-gray-700"
+          >
+            {{ t('admin.accounts.mixedSchedulingTooltip') }}
+            <div
+              class="absolute bottom-full left-3 border-4 border-transparent border-b-gray-900 dark:border-b-gray-700"
+            ></div>
+          </div>
+        </div>
      </div>

+      <!-- Group Selection - 仅标准模式显示 -->
+      <GroupSelector
+        v-if="!authStore.isSimpleMode"
+        v-model="form.group_ids"
+        :groups="groups"
+        :platform="form.platform"
+        :mixed-scheduling="mixedScheduling"
+        data-tour="account-form-groups"
+      />
+
    </form>

    <!-- Step 2: OAuth Authorization -->
@@ -1095,6 +1185,7 @@ import {
 } from '@/composables/useAccountOAuth'
 import { useOpenAIOAuth } from '@/composables/useOpenAIOAuth'
 import { useGeminiOAuth } from '@/composables/useGeminiOAuth'
+import { useAntigravityOAuth } from '@/composables/useAntigravityOAuth'
 import type { Proxy, Group, AccountPlatform, AccountType } from '@/types'
 import BaseDialog from '@/components/common/BaseDialog.vue'
 import ProxySelector from '@/components/common/ProxySelector.vue'
@@ -1118,6 +1209,7 @@ const authStore = useAuthStore()
 const oauthStepTitle = computed(() => {
  if (form.platform === 'openai') return t('admin.accounts.oauth.openai.title')
  if (form.platform === 'gemini') return t('admin.accounts.oauth.gemini.title')
+  if (form.platform === 'antigravity') return t('admin.accounts.oauth.antigravity.title')
  return t('admin.accounts.oauth.title')
 })

@@ -1152,29 +1244,34 @@ const appStore = useAppStore()
 const oauth = useAccountOAuth() // For Anthropic OAuth
 const openaiOAuth = useOpenAIOAuth() // For OpenAI OAuth
 const geminiOAuth = useGeminiOAuth() // For Gemini OAuth
+const antigravityOAuth = useAntigravityOAuth() // For Antigravity OAuth

 // Computed: current OAuth state for template binding
 const currentAuthUrl = computed(() => {
  if (form.platform === 'openai') return openaiOAuth.authUrl.value
  if (form.platform === 'gemini') return geminiOAuth.authUrl.value
+  if (form.platform === 'antigravity') return antigravityOAuth.authUrl.value
  return oauth.authUrl.value
 })

 const currentSessionId = computed(() => {
  if (form.platform === 'openai') return openaiOAuth.sessionId.value
  if (form.platform === 'gemini') return geminiOAuth.sessionId.value
+  if (form.platform === 'antigravity') return antigravityOAuth.sessionId.value
  return oauth.sessionId.value
 })

 const currentOAuthLoading = computed(() => {
  if (form.platform === 'openai') return openaiOAuth.loading.value
  if (form.platform === 'gemini') return geminiOAuth.loading.value
+  if (form.platform === 'antigravity') return antigravityOAuth.loading.value
  return oauth.loading.value
 })

 const currentOAuthError = computed(() => {
  if (form.platform === 'openai') return openaiOAuth.error.value
  if (form.platform === 'gemini') return geminiOAuth.error.value
+  if (form.platform === 'antigravity') return antigravityOAuth.error.value
  return oauth.error.value
 })

@@ -1201,6 +1298,7 @@ const customErrorCodesEnabled = ref(false)
 const selectedErrorCodes = ref<number[]>([])
 const customErrorCodeInput = ref<number | null>(null)
 const interceptWarmupRequests = ref(false)
+const mixedScheduling = ref(false) // For antigravity accounts: enable mixed scheduling
 const geminiOAuthType = ref<'code_assist' | 'ai_studio'>('code_assist')
 const geminiAIStudioOAuthEnabled = ref(false)

@@ -1403,6 +1501,9 @@ const canExchangeCode = computed(() => {
  if (form.platform === 'gemini') {
    return authCode.trim() && geminiOAuth.sessionId.value && !geminiOAuth.loading.value
  }
+  if (form.platform === 'antigravity') {
+    return authCode.trim() && antigravityOAuth.sessionId.value && !antigravityOAuth.loading.value
+  }
  return authCode.trim() && oauth.sessionId.value && !oauth.loading.value
 })

@@ -1447,10 +1548,15 @@ watch(
    if (newPlatform !== 'anthropic') {
      interceptWarmupRequests.value = false
    }
+    // Antigravity only supports OAuth
+    if (newPlatform === 'antigravity') {
+      accountCategory.value = 'oauth-based'
+    }
    // Reset OAuth states
    oauth.resetState()
    openaiOAuth.resetState()
    geminiOAuth.resetState()
+    antigravityOAuth.resetState()
  }
 )

@@ -1579,6 +1685,7 @@ const resetForm = () => {
  oauth.resetState()
  openaiOAuth.resetState()
  geminiOAuth.resetState()
+  antigravityOAuth.resetState()
  oauthFlowRef.value?.reset()
 }

@@ -1657,6 +1764,7 @@ const goBackToBasicInfo = () => {
  oauth.resetState()
  openaiOAuth.resetState()
  geminiOAuth.resetState()
+  antigravityOAuth.resetState()
  oauthFlowRef.value?.reset()
 }

@@ -1665,114 +1773,134 @@ const handleGenerateUrl = async () => {
    await openaiOAuth.generateAuthUrl(form.proxy_id)
  } else if (form.platform === 'gemini') {
    await geminiOAuth.generateAuthUrl(form.proxy_id, oauthFlowRef.value?.projectId, geminiOAuthType.value)
+  } else if (form.platform === 'antigravity') {
+    await antigravityOAuth.generateAuthUrl(form.proxy_id)
  } else {
    await oauth.generateAuthUrl(addMethod.value, form.proxy_id)
  }
 }

-const handleExchangeCode = async () => {
-  const authCode = oauthFlowRef.value?.authCode || ''
+// Create account and handle success/failure
+const createAccountAndFinish = async (
+  platform: AccountPlatform,
+  type: AccountType,
+  credentials: Record<string, unknown>,
+  extra?: Record<string, unknown>
+) => {
+  await adminAPI.accounts.create({
+    name: form.name,
+    platform,
+    type,
+    credentials,
+    extra,
+    proxy_id: form.proxy_id,
+    concurrency: form.concurrency,
+    priority: form.priority,
+    group_ids: form.group_ids
+  })
+  appStore.showSuccess(t('admin.accounts.accountCreated'))
+  emit('created')
+  handleClose()
+}

-  // For OpenAI
-  if (form.platform === 'openai') {
-    if (!authCode.trim() || !openaiOAuth.sessionId.value) return
+// OpenAI OAuth 授权码兑换
+const handleOpenAIExchange = async (authCode: string) => {
+  if (!authCode.trim() || !openaiOAuth.sessionId.value) return

-    openaiOAuth.loading.value = true
-    openaiOAuth.error.value = ''
+  openaiOAuth.loading.value = true
+  openaiOAuth.error.value = ''

-    try {
-      const tokenInfo = await openaiOAuth.exchangeAuthCode(
-        authCode.trim(),
-        openaiOAuth.sessionId.value,
-        form.proxy_id
-      )
+  try {
+    const tokenInfo = await openaiOAuth.exchangeAuthCode(
+      authCode.trim(),
+      openaiOAuth.sessionId.value,
+      form.proxy_id
+    )
+    if (!tokenInfo) return

-      if (!tokenInfo) {
-        return // Error already handled by composable
-      }
-
-      const credentials = openaiOAuth.buildCredentials(tokenInfo)
-      const extra = openaiOAuth.buildExtraInfo(tokenInfo)
-
-      // Note: intercept_warmup_requests is Anthropic-only, not applicable to OpenAI
-
-      await adminAPI.accounts.create({
-        name: form.name,
-        platform: 'openai',
-        type: 'oauth',
-        credentials,
-        extra,
-        proxy_id: form.proxy_id,
-        concurrency: form.concurrency,
-        priority: form.priority,
-        group_ids: form.group_ids
-      })
-
-      appStore.showSuccess(t('admin.accounts.accountCreated'))
-      emit('created')
-      handleClose()
-    } catch (error: any) {
-      openaiOAuth.error.value = error.response?.data?.detail || t('admin.accounts.oauth.authFailed')
-      appStore.showError(openaiOAuth.error.value)
-    } finally {
-      openaiOAuth.loading.value = false
-    }
-    return
+    const credentials = openaiOAuth.buildCredentials(tokenInfo)
+    const extra = openaiOAuth.buildExtraInfo(tokenInfo)
+    await createAccountAndFinish('openai', 'oauth', credentials, extra)
+  } catch (error: any) {
+    openaiOAuth.error.value = error.response?.data?.detail || t('admin.accounts.oauth.authFailed')
+    appStore.showError(openaiOAuth.error.value)
+  } finally {
+    openaiOAuth.loading.value = false
  }
+}

-  // For Gemini
-  if (form.platform === 'gemini') {
-    if (!authCode.trim() || !geminiOAuth.sessionId.value) return
+// Gemini OAuth 授权码兑换
+const handleGeminiExchange = async (authCode: string) => {
+  if (!authCode.trim() || !geminiOAuth.sessionId.value) return

-    geminiOAuth.loading.value = true
-    geminiOAuth.error.value = ''
+  geminiOAuth.loading.value = true
+  geminiOAuth.error.value = ''

-    try {
-      const stateFromInput = oauthFlowRef.value?.oauthState || ''
-      const stateToUse = stateFromInput || geminiOAuth.state.value
-      if (!stateToUse) {
-        geminiOAuth.error.value = t('admin.accounts.oauth.authFailed')
-        appStore.showError(geminiOAuth.error.value)
-        return
-      }
-
-      const tokenInfo = await geminiOAuth.exchangeAuthCode({
-        code: authCode.trim(),
-        sessionId: geminiOAuth.sessionId.value,
-        state: stateToUse,
-        proxyId: form.proxy_id,
-        oauthType: geminiOAuthType.value
-      })
-      if (!tokenInfo) return
-
-      const credentials = geminiOAuth.buildCredentials(tokenInfo)
-
-      // Note: intercept_warmup_requests is Anthropic-only, not applicable to Gemini
-
-      await adminAPI.accounts.create({
-        name: form.name,
-        platform: 'gemini',
-        type: 'oauth',
-        credentials,
-        proxy_id: form.proxy_id,
-        concurrency: form.concurrency,
-        priority: form.priority,
-        group_ids: form.group_ids
-      })
-
-      appStore.showSuccess(t('admin.accounts.accountCreated'))
-      emit('created')
-      handleClose()
-    } catch (error: any) {
-      geminiOAuth.error.value = error.response?.data?.detail || t('admin.accounts.oauth.authFailed')
+  try {
+    const stateFromInput = oauthFlowRef.value?.oauthState || ''
+    const stateToUse = stateFromInput || geminiOAuth.state.value
+    if (!stateToUse) {
+      geminiOAuth.error.value = t('admin.accounts.oauth.authFailed')
      appStore.showError(geminiOAuth.error.value)
-    } finally {
-      geminiOAuth.loading.value = false
+      return
    }
-    return
-  }

-  // For Anthropic
+    const tokenInfo = await geminiOAuth.exchangeAuthCode({
+      code: authCode.trim(),
+      sessionId: geminiOAuth.sessionId.value,
+      state: stateToUse,
+      proxyId: form.proxy_id,
+      oauthType: geminiOAuthType.value
+    })
+    if (!tokenInfo) return
+
+    const credentials = geminiOAuth.buildCredentials(tokenInfo)
+    await createAccountAndFinish('gemini', 'oauth', credentials)
+  } catch (error: any) {
+    geminiOAuth.error.value = error.response?.data?.detail || t('admin.accounts.oauth.authFailed')
+    appStore.showError(geminiOAuth.error.value)
+  } finally {
+    geminiOAuth.loading.value = false
+  }
+}
+
+// Antigravity OAuth 授权码兑换
+const handleAntigravityExchange = async (authCode: string) => {
+  if (!authCode.trim() || !antigravityOAuth.sessionId.value) return
+
+  antigravityOAuth.loading.value = true
+  antigravityOAuth.error.value = ''
+
+  try {
+    const stateFromInput = oauthFlowRef.value?.oauthState || ''
+    const stateToUse = stateFromInput || antigravityOAuth.state.value
+    if (!stateToUse) {
+      antigravityOAuth.error.value = t('admin.accounts.oauth.authFailed')
+      appStore.showError(antigravityOAuth.error.value)
+      return
+    }
+
+    const tokenInfo = await antigravityOAuth.exchangeAuthCode({
+      code: authCode.trim(),
+      sessionId: antigravityOAuth.sessionId.value,
+      state: stateToUse,
+      proxyId: form.proxy_id
+    })
+    if (!tokenInfo) return
+
+    const credentials = antigravityOAuth.buildCredentials(tokenInfo)
+    const extra = mixedScheduling.value ? { mixed_scheduling: true } : undefined
+    await createAccountAndFinish('antigravity', 'oauth', credentials, extra)
+  } catch (error: any) {
+    antigravityOAuth.error.value = error.response?.data?.detail || t('admin.accounts.oauth.authFailed')
+    appStore.showError(antigravityOAuth.error.value)
+  } finally {
+    antigravityOAuth.loading.value = false
+  }
+}
+
+// Anthropic OAuth 授权码兑换
+const handleAnthropicExchange = async (authCode: string) => {
  if (!authCode.trim() || !oauth.sessionId.value) return

  oauth.loading.value = true
@@ -1792,28 +1920,11 @@ const handleExchangeCode = async () => {
    })

    const extra = oauth.buildExtraInfo(tokenInfo)
-
-    // Merge interceptWarmupRequests into credentials
    const credentials = {
      ...tokenInfo,
      ...(interceptWarmupRequests.value ? { intercept_warmup_requests: true } : {})
    }
-
-    await adminAPI.accounts.create({
-      name: form.name,
-      platform: form.platform,
-      type: addMethod.value, // Use addMethod as type: 'oauth' or 'setup-token'
-      credentials,
-      extra,
-      proxy_id: form.proxy_id,
-      concurrency: form.concurrency,
-      priority: form.priority,
-      group_ids: form.group_ids
-    })
-
-    appStore.showSuccess(t('admin.accounts.accountCreated'))
-    emit('created')
-    handleClose()
+    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')
    appStore.showError(oauth.error.value)
@@ -1822,6 +1933,22 @@ const handleExchangeCode = async () => {
  }
 }

+// 主入口：根据平台路由到对应处理函数
+const handleExchangeCode = async () => {
+  const authCode = oauthFlowRef.value?.authCode || ''
+
+  switch (form.platform) {
+    case 'openai':
+      return handleOpenAIExchange(authCode)
+    case 'gemini':
+      return handleGeminiExchange(authCode)
+    case 'antigravity':
+      return handleAntigravityExchange(authCode)
+    default:
+      return handleAnthropicExchange(authCode)
+  }
+}
+
 const handleCookieAuth = async (sessionKey: string) => {
  oauth.loading.value = true
  oauth.error.value = ''
--- a/frontend/src/components/account/EditAccountModal.vue
+++ b/frontend/src/components/account/EditAccountModal.vue
@@ -472,11 +472,47 @@
        <Select v-model="form.status" :options="statusOptions" />
      </div>

-      <!-- Group Selection - 仅标准模式显示 -->
-      <div v-if="!authStore.isSimpleMode" data-tour="account-form-groups">
-        <GroupSelector v-model="form.group_ids" :groups="groups" :platform="account?.platform" />
+      <!-- Mixed Scheduling (only for antigravity accounts, read-only in edit mode) -->
+      <div v-if="account?.platform === 'antigravity'" class="flex items-center gap-2">
+        <label class="flex cursor-not-allowed items-center gap-2 opacity-60">
+          <input
+            type="checkbox"
+            v-model="mixedScheduling"
+            disabled
+            class="h-4 w-4 cursor-not-allowed rounded border-gray-300 text-primary-500 focus:ring-primary-500 dark:border-dark-500"
+          />
+          <span class="text-sm font-medium text-gray-700 dark:text-gray-300">
+            {{ t('admin.accounts.mixedScheduling') }}
+          </span>
+        </label>
+        <div class="group relative">
+          <span
+            class="inline-flex h-4 w-4 cursor-help items-center justify-center rounded-full bg-gray-200 text-xs text-gray-500 hover:bg-gray-300 dark:bg-dark-600 dark:text-gray-400 dark:hover:bg-dark-500"
+          >
+            ?
+          </span>
+          <!-- Tooltip（向下显示避免被弹窗裁剪） -->
+          <div
+            class="pointer-events-none absolute left-0 top-full z-[100] mt-1.5 w-72 rounded bg-gray-900 px-3 py-2 text-xs text-white opacity-0 transition-opacity group-hover:opacity-100 dark:bg-gray-700"
+          >
+            {{ t('admin.accounts.mixedSchedulingTooltip') }}
+            <div
+              class="absolute bottom-full left-3 border-4 border-transparent border-b-gray-900 dark:border-b-gray-700"
+            ></div>
+          </div>
+        </div>
      </div>

+      <!-- Group Selection - 仅标准模式显示 -->
+      <GroupSelector
+        v-if="!authStore.isSimpleMode"
+        v-model="form.group_ids"
+        :groups="groups"
+        :platform="account?.platform"
+        :mixed-scheduling="mixedScheduling"
+        data-tour="account-form-groups"
+      />
+
    </form>

    <template #footer>
@@ -572,6 +608,7 @@ const customErrorCodesEnabled = ref(false)
 const selectedErrorCodes = ref<number[]>([])
 const customErrorCodeInput = ref<number | null>(null)
 const interceptWarmupRequests = ref(false)
+const mixedScheduling = ref(false) // For antigravity accounts: enable mixed scheduling

 // Common models for whitelist - Anthropic
 const anthropicModels = [
@@ -783,6 +820,10 @@ watch(
      const credentials = newAccount.credentials as Record<string, unknown> | undefined
      interceptWarmupRequests.value = credentials?.intercept_warmup_requests === true

+      // Load mixed scheduling setting (only for antigravity accounts)
+      const extra = newAccount.extra as Record<string, unknown> | undefined
+      mixedScheduling.value = extra?.mixed_scheduling === true
+
      // Initialize API Key fields for apikey type
      if (newAccount.type === 'apikey' && newAccount.credentials) {
        const credentials = newAccount.credentials as Record<string, unknown>
@@ -988,6 +1029,18 @@ const handleSubmit = async () => {
      updatePayload.credentials = newCredentials
    }

+    // For antigravity accounts, handle mixed_scheduling in extra
+    if (props.account.platform === 'antigravity') {
+      const currentExtra = (props.account.extra as Record<string, unknown>) || {}
+      const newExtra: Record<string, unknown> = { ...currentExtra }
+      if (mixedScheduling.value) {
+        newExtra.mixed_scheduling = true
+      } else {
+        delete newExtra.mixed_scheduling
+      }
+      updatePayload.extra = newExtra
+    }
+
    await adminAPI.accounts.update(props.account.id, updatePayload)
    appStore.showSuccess(t('admin.accounts.accountUpdated'))
    emit('updated')
--- a/frontend/src/components/account/OAuthAuthorizationFlow.vue
+++ b/frontend/src/components/account/OAuthAuthorizationFlow.vue
@@ -527,7 +527,7 @@ interface Props {
  allowMultiple?: boolean
  methodLabel?: string
  showCookieOption?: boolean // Whether to show cookie auto-auth option
-  platform?: 'anthropic' | 'openai' | 'gemini' // Platform type for different UI/text
+  platform?: 'anthropic' | 'openai' | 'gemini' | 'antigravity' // Platform type for different UI/text
  showProjectId?: boolean // New prop to control project ID visibility
 }

@@ -560,6 +560,7 @@ const isOpenAI = computed(() => props.platform === 'openai')
 const getOAuthKey = (key: string) => {
  if (props.platform === 'openai') return `admin.accounts.oauth.openai.${key}`
  if (props.platform === 'gemini') return `admin.accounts.oauth.gemini.${key}`
+  if (props.platform === 'antigravity') return `admin.accounts.oauth.antigravity.${key}`
  return `admin.accounts.oauth.${key}`
 }

@@ -575,9 +576,11 @@ const oauthAuthCodeDesc = computed(() => t(getOAuthKey('authCodeDesc')))
 const oauthAuthCode = computed(() => t(getOAuthKey('authCode')))
 const oauthAuthCodePlaceholder = computed(() => t(getOAuthKey('authCodePlaceholder')))
 const oauthAuthCodeHint = computed(() => t(getOAuthKey('authCodeHint')))
-const oauthImportantNotice = computed(() =>
-  props.platform === 'openai' ? t('admin.accounts.oauth.openai.importantNotice') : ''
-)
+const oauthImportantNotice = computed(() => {
+  if (props.platform === 'openai') return t('admin.accounts.oauth.openai.importantNotice')
+  if (props.platform === 'antigravity') return t('admin.accounts.oauth.antigravity.importantNotice')
+  return ''
+})

 // Local state
 const inputMethod = ref<AuthInputMethod>(props.showCookieOption ? 'manual' : 'manual')
@@ -603,10 +606,10 @@ watch(inputMethod, (newVal) => {
  emit('update:inputMethod', newVal)
 })

-// Auto-extract code from OpenAI callback URL
-// e.g., http://localhost:1455/auth/callback?code=ac_xxx...&scope=...&state=...
+// Auto-extract code from callback URL (OpenAI/Gemini/Antigravity)
+// e.g., http://localhost:8085/callback?code=xxx...&state=...
 watch(authCodeInput, (newVal) => {
-  if (props.platform !== 'openai' && props.platform !== 'gemini') return
+  if (props.platform !== 'openai' && props.platform !== 'gemini' && props.platform !== 'antigravity') return

  const trimmed = newVal.trim()
  // Check if it looks like a URL with code parameter
@@ -616,7 +619,7 @@ watch(authCodeInput, (newVal) => {
      const url = new URL(trimmed)
      const code = url.searchParams.get('code')
      const stateParam = url.searchParams.get('state')
-      if (props.platform === 'gemini' && stateParam) {
+      if ((props.platform === 'gemini' || props.platform === 'antigravity') && stateParam) {
        oauthState.value = stateParam
      }
      if (code && code !== trimmed) {
@@ -627,7 +630,7 @@ watch(authCodeInput, (newVal) => {
      // If URL parsing fails, try regex extraction
      const match = trimmed.match(/[?&]code=([^&]+)/)
      const stateMatch = trimmed.match(/[?&]state=([^&]+)/)
-      if (props.platform === 'gemini' && stateMatch && stateMatch[1]) {
+      if ((props.platform === 'gemini' || props.platform === 'antigravity') && stateMatch && stateMatch[1]) {
        oauthState.value = stateMatch[1]
      }
      if (match && match[1] && match[1] !== trimmed) {
--- a/frontend/src/components/account/ReAuthAccountModal.vue
+++ b/frontend/src/components/account/ReAuthAccountModal.vue
@@ -18,7 +18,9 @@
                ? 'from-green-500 to-green-600'
                : isGemini
                  ? 'from-blue-500 to-blue-600'
-                  : 'from-orange-500 to-orange-600'
+                  : isAntigravity
+                    ? 'from-purple-500 to-purple-600'
+                    : 'from-orange-500 to-orange-600'
            ]"
          >
            <svg
@@ -45,7 +47,9 @@
                  ? t('admin.accounts.openaiAccount')
                  : isGemini
                    ? t('admin.accounts.geminiAccount')
-                    : t('admin.accounts.claudeCodeAccount')
+                    : isAntigravity
+                      ? t('admin.accounts.antigravityAccount')
+                      : t('admin.accounts.claudeCodeAccount')
              }}
            </span>
          </div>
@@ -201,7 +205,7 @@
        :show-cookie-option="isAnthropic"
        :allow-multiple="false"
        :method-label="t('admin.accounts.inputMethod')"
-        :platform="isOpenAI ? 'openai' : isGemini ? 'gemini' : 'anthropic'"
+        :platform="isOpenAI ? 'openai' : isGemini ? 'gemini' : isAntigravity ? 'antigravity' : 'anthropic'"
        :show-project-id="isGemini && geminiOAuthType === 'code_assist'"
        @generate-url="handleGenerateUrl"
        @cookie-auth="handleCookieAuth"
@@ -264,6 +268,7 @@ import {
 } from '@/composables/useAccountOAuth'
 import { useOpenAIOAuth } from '@/composables/useOpenAIOAuth'
 import { useGeminiOAuth } from '@/composables/useGeminiOAuth'
+import { useAntigravityOAuth } from '@/composables/useAntigravityOAuth'
 import type { Account } from '@/types'
 import BaseDialog from '@/components/common/BaseDialog.vue'
 import OAuthAuthorizationFlow from './OAuthAuthorizationFlow.vue'
@@ -293,10 +298,11 @@ const emit = defineEmits<{
 const appStore = useAppStore()
 const { t } = useI18n()

-// OAuth composables - use both Claude and OpenAI
+// OAuth composables
 const claudeOAuth = useAccountOAuth()
 const openaiOAuth = useOpenAIOAuth()
 const geminiOAuth = useGeminiOAuth()
+const antigravityOAuth = useAntigravityOAuth()

 // Refs
 const oauthFlowRef = ref<OAuthFlowExposed | null>(null)
@@ -306,51 +312,48 @@ const addMethod = ref<AddMethod>('oauth')
 const geminiOAuthType = ref<'code_assist' | 'ai_studio'>('code_assist')
 const geminiAIStudioOAuthEnabled = ref(false)

-// Computed - check if this is an OpenAI account
+// Computed - check platform
 const isOpenAI = computed(() => props.account?.platform === 'openai')
 const isGemini = computed(() => props.account?.platform === 'gemini')
 const isAnthropic = computed(() => props.account?.platform === 'anthropic')
+const isAntigravity = computed(() => props.account?.platform === 'antigravity')

 // Computed - current OAuth state based on platform
 const currentAuthUrl = computed(() => {
  if (isOpenAI.value) return openaiOAuth.authUrl.value
  if (isGemini.value) return geminiOAuth.authUrl.value
+  if (isAntigravity.value) return antigravityOAuth.authUrl.value
  return claudeOAuth.authUrl.value
 })
 const currentSessionId = computed(() => {
  if (isOpenAI.value) return openaiOAuth.sessionId.value
  if (isGemini.value) return geminiOAuth.sessionId.value
+  if (isAntigravity.value) return antigravityOAuth.sessionId.value
  return claudeOAuth.sessionId.value
 })
 const currentLoading = computed(() => {
  if (isOpenAI.value) return openaiOAuth.loading.value
  if (isGemini.value) return geminiOAuth.loading.value
+  if (isAntigravity.value) return antigravityOAuth.loading.value
  return claudeOAuth.loading.value
 })
 const currentError = computed(() => {
  if (isOpenAI.value) return openaiOAuth.error.value
  if (isGemini.value) return geminiOAuth.error.value
+  if (isAntigravity.value) return antigravityOAuth.error.value
  return claudeOAuth.error.value
 })

 // Computed
 const isManualInputMethod = computed(() => {
-  // OpenAI always uses manual input (no cookie auth option)
-  return isOpenAI.value || isGemini.value || oauthFlowRef.value?.inputMethod === 'manual'
+  // OpenAI/Gemini/Antigravity always use manual input (no cookie auth option)
+  return isOpenAI.value || isGemini.value || isAntigravity.value || oauthFlowRef.value?.inputMethod === 'manual'
 })

 const canExchangeCode = computed(() => {
  const authCode = oauthFlowRef.value?.authCode || ''
-  const sessionId = isOpenAI.value
-    ? openaiOAuth.sessionId.value
-    : isGemini.value
-      ? geminiOAuth.sessionId.value
-      : claudeOAuth.sessionId.value
-  const loading = isOpenAI.value
-    ? openaiOAuth.loading.value
-    : isGemini.value
-      ? geminiOAuth.loading.value
-      : claudeOAuth.loading.value
+  const sessionId = currentSessionId.value
+  const loading = currentLoading.value
  return authCode.trim() && sessionId && !loading
 })

@@ -392,6 +395,7 @@ const resetState = () => {
  claudeOAuth.resetState()
  openaiOAuth.resetState()
  geminiOAuth.resetState()
+  antigravityOAuth.resetState()
  oauthFlowRef.value?.reset()
 }

@@ -415,6 +419,8 @@ const handleGenerateUrl = async () => {
  } else if (isGemini.value) {
    const projectId = geminiOAuthType.value === 'code_assist' ? oauthFlowRef.value?.projectId : undefined
    await geminiOAuth.generateAuthUrl(props.account.proxy_id, projectId, geminiOAuthType.value)
+  } else if (isAntigravity.value) {
+    await antigravityOAuth.generateAuthUrl(props.account.proxy_id)
  } else {
    await claudeOAuth.generateAuthUrl(addMethod.value, props.account.proxy_id)
  }
@@ -492,6 +498,38 @@ const handleExchangeCode = async () => {
      geminiOAuth.error.value = error.response?.data?.detail || t('admin.accounts.oauth.authFailed')
      appStore.showError(geminiOAuth.error.value)
    }
+  } else if (isAntigravity.value) {
+    // Antigravity OAuth flow
+    const sessionId = antigravityOAuth.sessionId.value
+    if (!sessionId) return
+
+    const stateFromInput = oauthFlowRef.value?.oauthState || ''
+    const stateToUse = stateFromInput || antigravityOAuth.state.value
+    if (!stateToUse) return
+
+    const tokenInfo = await antigravityOAuth.exchangeAuthCode({
+      code: authCode.trim(),
+      sessionId,
+      state: stateToUse,
+      proxyId: props.account.proxy_id
+    })
+    if (!tokenInfo) return
+
+    const credentials = antigravityOAuth.buildCredentials(tokenInfo)
+
+    try {
+      await adminAPI.accounts.update(props.account.id, {
+        type: 'oauth',
+        credentials
+      })
+      await adminAPI.accounts.clearError(props.account.id)
+      appStore.showSuccess(t('admin.accounts.reAuthorizedSuccess'))
+      emit('reauthorized')
+      handleClose()
+    } catch (error: any) {
+      antigravityOAuth.error.value = error.response?.data?.detail || t('admin.accounts.oauth.authFailed')
+      appStore.showError(antigravityOAuth.error.value)
+    }
  } else {
    // Claude OAuth flow
    const sessionId = claudeOAuth.sessionId.value
--- a/frontend/src/components/account/UsageProgressBar.vue
+++ b/frontend/src/components/account/UsageProgressBar.vue
@@ -58,7 +58,7 @@ const props = defineProps<{
  label: string
  utilization: number // Percentage (0-100+)
  resetsAt?: string | null
-  color: 'indigo' | 'emerald' | 'purple'
+  color: 'indigo' | 'emerald' | 'purple' | 'amber'
  windowStats?: WindowStats | null
 }>()

@@ -69,7 +69,8 @@ const labelClass = computed(() => {
  const colors = {
    indigo: 'bg-indigo-100 text-indigo-700 dark:bg-indigo-900/40 dark:text-indigo-300',
    emerald: 'bg-emerald-100 text-emerald-700 dark:bg-emerald-900/40 dark:text-emerald-300',
-    purple: 'bg-purple-100 text-purple-700 dark:bg-purple-900/40 dark:text-purple-300'
+    purple: 'bg-purple-100 text-purple-700 dark:bg-purple-900/40 dark:text-purple-300',
+    amber: 'bg-amber-100 text-amber-700 dark:bg-amber-900/40 dark:text-amber-300'
  }
  return colors[props.color]
 })
--- a/frontend/src/components/common/GroupSelector.vue
+++ b/frontend/src/components/common/GroupSelector.vue
@@ -50,6 +50,7 @@ interface Props {
  modelValue: number[]
  groups: Group[]
  platform?: GroupPlatform // Optional platform filter
+  mixedScheduling?: boolean // For antigravity accounts: allow anthropic/gemini groups
 }

 const props = defineProps<Props>()
@@ -62,6 +63,13 @@ const filteredGroups = computed(() => {
  if (!props.platform) {
    return props.groups
  }
+  // antigravity 账户启用混合调度后，可选择 anthropic/gemini 分组
+  if (props.platform === 'antigravity' && props.mixedScheduling) {
+    return props.groups.filter(
+      (g) => g.platform === 'antigravity' || g.platform === 'anthropic' || g.platform === 'gemini'
+    )
+  }
+  // 默认：只能选择同 platform 的分组
  return props.groups.filter((g) => g.platform === props.platform)
 })

--- a/frontend/src/components/common/PlatformIcon.vue
+++ b/frontend/src/components/common/PlatformIcon.vue
@@ -15,6 +15,10 @@
  <svg v-else-if="platform === 'gemini'" :class="sizeClass" viewBox="0 0 24 24" fill="currentColor">
    <path d="M12 2l1.89 7.2L21 12l-7.11 2.8L12 22l-1.89-7.2L3 12l7.11-2.8L12 2z" />
  </svg>
+  <!-- Antigravity logo (cloud) -->
+  <svg v-else-if="platform === 'antigravity'" :class="sizeClass" viewBox="0 0 24 24" fill="currentColor">
+    <path d="M19.35 10.04C18.67 6.59 15.64 4 12 4 9.11 4 6.6 5.64 5.35 8.04 2.34 8.36 0 10.91 0 14c0 3.31 2.69 6 6 6h13c2.76 0 5-2.24 5-5 0-2.64-2.05-4.78-4.65-4.96z" />
+  </svg>
  <!-- Fallback: generic platform icon -->
  <svg v-else :class="sizeClass" fill="currentColor" viewBox="0 0 24 24">
    <path
--- a/frontend/src/components/common/PlatformTypeBadge.vue
+++ b/frontend/src/components/common/PlatformTypeBadge.vue
@@ -72,6 +72,7 @@ const props = defineProps<Props>()
 const platformLabel = computed(() => {
  if (props.platform === 'anthropic') return 'Anthropic'
  if (props.platform === 'openai') return 'OpenAI'
+  if (props.platform === 'antigravity') return 'Antigravity'
  return 'Gemini'
 })

@@ -95,6 +96,9 @@ const platformClass = computed(() => {
  if (props.platform === 'openai') {
    return 'bg-emerald-100 text-emerald-700 dark:bg-emerald-900/30 dark:text-emerald-400'
  }
+  if (props.platform === 'antigravity') {
+    return 'bg-purple-100 text-purple-700 dark:bg-purple-900/30 dark:text-purple-400'
+  }
  return 'bg-blue-100 text-blue-700 dark:bg-blue-900/30 dark:text-blue-400'
 })

@@ -105,6 +109,9 @@ const typeClass = computed(() => {
  if (props.platform === 'openai') {
    return 'bg-emerald-100 text-emerald-600 dark:bg-emerald-900/30 dark:text-emerald-400'
  }
+  if (props.platform === 'antigravity') {
+    return 'bg-purple-100 text-purple-600 dark:bg-purple-900/30 dark:text-purple-400'
+  }
  return 'bg-blue-100 text-blue-600 dark:bg-blue-900/30 dark:text-blue-400'
 })
 </script>
--- a/frontend/src/composables/useAntigravityOAuth.ts
+++ b/frontend/src/composables/useAntigravityOAuth.ts
@@ -0,0 +1,115 @@
+import { ref } from 'vue'
+import { useI18n } from 'vue-i18n'
+import { useAppStore } from '@/stores/app'
+import { adminAPI } from '@/api/admin'
+import type { AntigravityTokenInfo } from '@/api/admin/antigravity'
+
+export function useAntigravityOAuth() {
+  const appStore = useAppStore()
+  const { t } = useI18n()
+
+  const authUrl = ref('')
+  const sessionId = ref('')
+  const state = ref('')
+  const loading = ref(false)
+  const error = ref('')
+
+  const resetState = () => {
+    authUrl.value = ''
+    sessionId.value = ''
+    state.value = ''
+    loading.value = false
+    error.value = ''
+  }
+
+  const generateAuthUrl = async (proxyId: number | null | undefined): Promise<boolean> => {
+    loading.value = true
+    authUrl.value = ''
+    sessionId.value = ''
+    state.value = ''
+    error.value = ''
+
+    try {
+      const payload: Record<string, unknown> = {}
+      if (proxyId) payload.proxy_id = proxyId
+
+      const response = await adminAPI.antigravity.generateAuthUrl(payload as any)
+      authUrl.value = response.auth_url
+      sessionId.value = response.session_id
+      state.value = response.state
+      return true
+    } catch (err: any) {
+      error.value =
+        err.response?.data?.detail || t('admin.accounts.oauth.antigravity.failedToGenerateUrl')
+      appStore.showError(error.value)
+      return false
+    } finally {
+      loading.value = false
+    }
+  }
+
+  const exchangeAuthCode = async (params: {
+    code: string
+    sessionId: string
+    state: string
+    proxyId?: number | null
+  }): Promise<AntigravityTokenInfo | null> => {
+    const code = params.code?.trim()
+    if (!code || !params.sessionId || !params.state) {
+      error.value = t('admin.accounts.oauth.antigravity.missingExchangeParams')
+      return null
+    }
+
+    loading.value = true
+    error.value = ''
+
+    try {
+      const payload: Record<string, unknown> = {
+        session_id: params.sessionId,
+        state: params.state,
+        code
+      }
+      if (params.proxyId) payload.proxy_id = params.proxyId
+
+      const tokenInfo = await adminAPI.antigravity.exchangeCode(payload as any)
+      return tokenInfo as AntigravityTokenInfo
+    } catch (err: any) {
+      error.value =
+        err.response?.data?.detail || t('admin.accounts.oauth.antigravity.failedToExchangeCode')
+      appStore.showError(error.value)
+      return null
+    } finally {
+      loading.value = false
+    }
+  }
+
+  const buildCredentials = (tokenInfo: AntigravityTokenInfo): Record<string, unknown> => {
+    let expiresAt: string | undefined
+    if (typeof tokenInfo.expires_at === 'number' && Number.isFinite(tokenInfo.expires_at)) {
+      expiresAt = Math.floor(tokenInfo.expires_at).toString()
+    } else if (typeof tokenInfo.expires_at === 'string' && tokenInfo.expires_at.trim()) {
+      expiresAt = tokenInfo.expires_at.trim()
+    }
+
+    return {
+      access_token: tokenInfo.access_token,
+      refresh_token: tokenInfo.refresh_token,
+      token_type: tokenInfo.token_type,
+      expires_at: expiresAt,
+      project_id: tokenInfo.project_id,
+      email: tokenInfo.email
+    }
+  }
+
+  return {
+    authUrl,
+    sessionId,
+    state,
+    loading,
+    error,
+    resetState,
+    generateAuthUrl,
+    exchangeAuthCode,
+    buildCredentials
+  }
+}
--- a/frontend/src/i18n/locales/en.ts
+++ b/frontend/src/i18n/locales/en.ts
@@ -33,6 +33,7 @@ export default {
      soon: 'Soon',
      claude: 'Claude',
      gemini: 'Gemini',
+      antigravity: 'Antigravity',
      more: 'More'
    },
    footer: {
@@ -842,14 +843,16 @@ export default {
        anthropic: 'Anthropic',
        claude: 'Claude',
        openai: 'OpenAI',
-        gemini: 'Gemini'
+        gemini: 'Gemini',
+        antigravity: 'Antigravity'
      },
      types: {
        oauth: 'OAuth',
        chatgptOauth: 'ChatGPT OAuth',
        responsesApi: 'Responses API',
        googleOauth: 'Google OAuth',
-        codeAssist: 'Code Assist'
+        codeAssist: 'Code Assist',
+        antigravityOauth: 'Antigravity OAuth'
      },
      columns: {
        name: 'Name',
@@ -959,6 +962,10 @@ export default {
      priority: 'Priority',
      priorityHint: 'Higher priority accounts are used first',
      higherPriorityFirst: 'Higher value means higher priority',
+      mixedScheduling: 'Mixed Scheduling',
+      mixedSchedulingHint: 'Enable to participate in Anthropic/Gemini group scheduling',
+      mixedSchedulingTooltip:
+        'When enabled, this account can be scheduled by /v1/messages and /v1beta endpoints. Otherwise, it will only be scheduled by /antigravity. Note: Anthropic Claude and Antigravity Claude cannot be mixed in the same context. Please manage groups carefully when enabled.',
      creating: 'Creating...',
      updating: 'Updating...',
      accountCreated: 'Account created successfully',
@@ -1083,7 +1090,28 @@ export default {
 	            'AI Studio OAuth is not configured: set GEMINI_OAUTH_CLIENT_ID / GEMINI_OAUTH_CLIENT_SECRET and add Redirect URI: http://localhost:1455/auth/callback (Consent screen scopes must include https://www.googleapis.com/auth/generative-language.retriever)',
 	          aiStudioNotConfigured:
 	            'AI Studio OAuth is not configured: set GEMINI_OAUTH_CLIENT_ID / GEMINI_OAUTH_CLIENT_SECRET and add Redirect URI: http://localhost:1455/auth/callback'
-	        }
+	        },
+        // Antigravity specific
+        antigravity: {
+          title: 'Antigravity Account Authorization',
+          followSteps: 'Follow these steps to authorize your Antigravity account:',
+          step1GenerateUrl: 'Generate the authorization URL',
+          generateAuthUrl: 'Generate Auth URL',
+          step2OpenUrl: 'Open the URL in your browser and complete authorization',
+          openUrlDesc: 'Open the authorization URL in a new tab, log in to your Google account and authorize.',
+          importantNotice:
+            '<strong>Important:</strong> The page may take a while to load after authorization. Please wait patiently. When the browser address bar shows <code>http://localhost...</code>, authorization is complete.',
+          step3EnterCode: 'Enter Authorization URL or Code',
+          authCodeDesc:
+            'After authorization, when the page URL becomes <code>http://localhost:xxx/auth/callback?code=...</code>:',
+          authCode: 'Authorization URL or Code',
+          authCodePlaceholder:
+            'Option 1: Copy the complete URL\n(http://localhost:xxx/auth/callback?code=...)\nOption 2: Copy only the code parameter value',
+          authCodeHint: 'You can copy the entire URL or just the code parameter value, the system will auto-detect',
+          failedToGenerateUrl: 'Failed to generate Antigravity auth URL',
+          missingExchangeParams: 'Missing code, session ID, or state',
+          failedToExchangeCode: 'Failed to exchange Antigravity auth code'
+        }
 	      },
      // Gemini specific (platform-wide)
      gemini: {
@@ -1098,6 +1126,7 @@ export default {
      claudeCodeAccount: 'Claude Code Account',
      openaiAccount: 'OpenAI Account',
      geminiAccount: 'Gemini Account',
+      antigravityAccount: 'Antigravity Account',
      inputMethod: 'Input Method',
      reAuthorizedSuccess: 'Account re-authorized successfully',
      // Test Modal
@@ -1155,7 +1184,16 @@ export default {
        noData: 'No usage data available for this account'
      },
      usageWindow: {
-        statsTitle: '5-Hour Window Usage Statistics'
+        statsTitle: '5-Hour Window Usage Statistics',
+        gemini3Pro: 'G3P',
+        gemini3Flash: 'G3F',
+        gemini3Image: 'G3I',
+        claude45: 'C4.5'
+      },
+      tier: {
+        free: 'Free',
+        pro: 'Pro',
+        ultra: 'Ultra'
      }
    },

--- a/frontend/src/i18n/locales/zh.ts
+++ b/frontend/src/i18n/locales/zh.ts
@@ -30,6 +30,7 @@ export default {
      soon: '即将推出',
      claude: 'Claude',
      gemini: 'Gemini',
+      antigravity: 'Antigravity',
      more: '更多'
    },
    footer: {
@@ -962,7 +963,8 @@ export default {
        claude: 'Claude',
        openai: 'OpenAI',
        anthropic: 'Anthropic',
-        gemini: 'Gemini'
+        gemini: 'Gemini',
+        antigravity: 'Antigravity'
      },
      types: {
        oauth: 'OAuth',
@@ -970,6 +972,7 @@ export default {
        responsesApi: 'Responses API',
        googleOauth: 'Google OAuth',
        codeAssist: 'Code Assist',
+        antigravityOauth: 'Antigravity OAuth',
        api_key: 'API Key',
        cookie: 'Cookie'
      },
@@ -980,7 +983,16 @@ export default {
        cooldown: '冷却中'
      },
      usageWindow: {
-        statsTitle: '5小时窗口用量统计'
+        statsTitle: '5小时窗口用量统计',
+        gemini3Pro: 'G3P',
+        gemini3Flash: 'G3F',
+        gemini3Image: 'G3I',
+        claude45: 'C4.5'
+      },
+      tier: {
+        free: 'Free',
+        pro: 'Pro',
+        ultra: 'Ultra'
      },
      form: {
        nameLabel: '账号名称',
@@ -1095,6 +1107,10 @@ export default {
      priority: '优先级',
      priorityHint: '优先级越高的账号优先使用',
      higherPriorityFirst: '数值越高优先级越高',
+      mixedScheduling: '混合调度',
+      mixedSchedulingHint: '启用后可参与 Anthropic/Gemini 分组的调度',
+      mixedSchedulingTooltip:
+        '开启后，该账户可被 /v1/messages 及 /v1beta 端点调度，否则只被 /antigravity 调度。注意：Anthropic Claude 和 Antigravity Claude 无法在同个上下文中混合使用，开启后请自行做好分组管理。',
      creating: '创建中...',
      updating: '更新中...',
      accountCreated: '账号创建成功',
@@ -1205,7 +1221,28 @@ export default {
 	          aiStudioNotConfiguredShort: '未配置',
 	          aiStudioNotConfiguredTip: 'AI Studio OAuth 未配置：请先设置 GEMINI_OAUTH_CLIENT_ID / GEMINI_OAUTH_CLIENT_SECRET，并在 Google OAuth Client 添加 Redirect URI：http://localhost:1455/auth/callback（Consent Screen scopes 需包含 https://www.googleapis.com/auth/generative-language.retriever）',
 	          aiStudioNotConfigured: 'AI Studio OAuth 未配置：请先设置 GEMINI_OAUTH_CLIENT_ID / GEMINI_OAUTH_CLIENT_SECRET，并在 Google OAuth Client 添加 Redirect URI：http://localhost:1455/auth/callback'
-	        }
+	        },
+        // Antigravity specific
+        antigravity: {
+          title: 'Antigravity 账户授权',
+          followSteps: '请按照以下步骤完成 Antigravity 账户的授权：',
+          step1GenerateUrl: '生成授权链接',
+          generateAuthUrl: '生成授权链接',
+          step2OpenUrl: '在浏览器中打开链接并完成授权',
+          openUrlDesc: '请在新标签页中打开授权链接，登录您的 Google 账户并授权。',
+          importantNotice:
+            '<strong>重要提示：</strong>授权后页面可能会加载较长时间，请耐心等待。当浏览器地址栏变为 <code>http://localhost...</code> 开头时，表示授权已完成。',
+          step3EnterCode: '输入授权链接或 Code',
+          authCodeDesc:
+            '授权完成后，当页面地址变为 <code>http://localhost:xxx/auth/callback?code=...</code> 时：',
+          authCode: '授权链接或 Code',
+          authCodePlaceholder:
+            '方式1：复制完整的链接\n(http://localhost:xxx/auth/callback?code=...)\n方式2：仅复制 code 参数的值',
+          authCodeHint: '您可以直接复制整个链接或仅复制 code 参数值，系统会自动识别',
+          failedToGenerateUrl: '生成 Antigravity 授权链接失败',
+          missingExchangeParams: '缺少 code / session_id / state',
+          failedToExchangeCode: 'Antigravity 授权码兑换失败'
+        }
 	      },
      // Gemini specific (platform-wide)
      gemini: {
@@ -1219,6 +1256,7 @@ export default {
      claudeCodeAccount: 'Claude Code 账号',
      openaiAccount: 'OpenAI 账号',
      geminiAccount: 'Gemini 账号',
+      antigravityAccount: 'Antigravity 账号',
      inputMethod: '输入方式',
      reAuthorizedSuccess: '账号重新授权成功',
      // Test Modal
--- a/frontend/src/types/index.ts
+++ b/frontend/src/types/index.ts
@@ -224,7 +224,7 @@ export interface PaginationConfig {

 // ==================== API Key & Group Types ====================

-export type GroupPlatform = 'anthropic' | 'openai' | 'gemini'
+export type GroupPlatform = 'anthropic' | 'openai' | 'gemini' | 'antigravity'

 export type SubscriptionType = 'standard' | 'subscription'

@@ -260,7 +260,7 @@ export interface ApiKey {
 export interface CreateApiKeyRequest {
  name: string
  group_id?: number | null
-  custom_key?: string // 可选的自定义API Key
+  custom_key?: string // Optional custom API Key
 }

 export interface UpdateApiKeyRequest {
@@ -288,7 +288,7 @@ export interface UpdateGroupRequest {

 // ==================== Account & Proxy Types ====================

-export type AccountPlatform = 'anthropic' | 'openai' | 'gemini'
+export type AccountPlatform = 'anthropic' | 'openai' | 'gemini' | 'antigravity'
 export type AccountType = 'oauth' | 'setup-token' | 'apikey'
 export type OAuthAddMethod = 'oauth' | 'setup-token'
 export type ProxyProtocol = 'http' | 'https' | 'socks5'
@@ -396,7 +396,7 @@ export interface CreateAccountRequest {
  platform: AccountPlatform
  type: AccountType
  credentials: Record<string, unknown>
-  extra?: Record<string, string>
+  extra?: Record<string, unknown>
  proxy_id?: number | null
  concurrency?: number
  priority?: number
@@ -407,7 +407,7 @@ export interface UpdateAccountRequest {
  name?: string
  type?: AccountType
  credentials?: Record<string, unknown>
-  extra?: Record<string, string>
+  extra?: Record<string, unknown>
  proxy_id?: number | null
  concurrency?: number
  priority?: number
--- a/frontend/src/views/HomeView.vue
+++ b/frontend/src/views/HomeView.vue
@@ -421,6 +421,21 @@
              >{{ t('home.providers.supported') }}</span
            >
          </div>
+          <!-- Antigravity - Supported -->
+          <div
+            class="flex items-center gap-2 rounded-xl border border-primary-200 bg-white/60 px-5 py-3 ring-1 ring-primary-500/20 backdrop-blur-sm dark:border-primary-800 dark:bg-dark-800/60"
+          >
+            <div
+              class="flex h-8 w-8 items-center justify-center rounded-lg bg-gradient-to-br from-rose-500 to-pink-600"
+            >
+              <span class="text-xs font-bold text-white">A</span>
+            </div>
+            <span class="text-sm font-medium text-gray-700 dark:text-dark-200">{{ t('home.providers.antigravity') }}</span>
+            <span
+              class="rounded bg-primary-100 px-1.5 py-0.5 text-[10px] font-medium text-primary-600 dark:bg-primary-900/30 dark:text-primary-400"
+              >{{ t('home.providers.supported') }}</span
+            >
+          </div>
          <!-- More - Coming Soon -->
          <div
            class="flex items-center gap-2 rounded-xl border border-gray-200/50 bg-white/40 px-5 py-3 opacity-60 backdrop-blur-sm dark:border-dark-700/50 dark:bg-dark-800/40"
--- a/frontend/src/views/admin/AccountsView.vue
+++ b/frontend/src/views/admin/AccountsView.vue
@@ -559,7 +559,8 @@ const platformOptions = computed(() => [
  { value: '', label: t('admin.accounts.allPlatforms') },
  { value: 'anthropic', label: t('admin.accounts.platforms.anthropic') },
  { value: 'openai', label: t('admin.accounts.platforms.openai') },
-  { value: 'gemini', label: t('admin.accounts.platforms.gemini') }
+  { value: 'gemini', label: t('admin.accounts.platforms.gemini') },
+  { value: 'antigravity', label: t('admin.accounts.platforms.antigravity') }
 ])

 const typeOptions = computed(() => [
--- a/frontend/src/views/admin/GroupsView.vue
+++ b/frontend/src/views/admin/GroupsView.vue
@@ -82,11 +82,21 @@
                  ? 'bg-orange-100 text-orange-700 dark:bg-orange-900/30 dark:text-orange-400'
                  : value === 'openai'
                    ? 'bg-emerald-100 text-emerald-700 dark:bg-emerald-900/30 dark:text-emerald-400'
-                    : 'bg-blue-100 text-blue-700 dark:bg-blue-900/30 dark:text-blue-400'
+                    : value === 'antigravity'
+                      ? 'bg-purple-100 text-purple-700 dark:bg-purple-900/30 dark:text-purple-400'
+                      : 'bg-blue-100 text-blue-700 dark:bg-blue-900/30 dark:text-blue-400'
              ]"
            >
              <PlatformIcon :platform="value" size="xs" />
-              {{ value === 'anthropic' ? 'Anthropic' : value === 'openai' ? 'OpenAI' : 'Gemini' }}
+              {{
+                value === 'anthropic'
+                  ? 'Anthropic'
+                  : value === 'openai'
+                    ? 'OpenAI'
+                    : value === 'antigravity'
+                      ? 'Antigravity'
+                      : 'Gemini'
+              }}
            </span>
          </template>

@@ -694,14 +704,16 @@ const exclusiveOptions = computed(() => [
 const platformOptions = computed(() => [
  { value: 'anthropic', label: 'Anthropic' },
  { value: 'openai', label: 'OpenAI' },
-  { value: 'gemini', label: 'Gemini' }
+  { value: 'gemini', label: 'Gemini' },
+  { value: 'antigravity', label: 'Antigravity' }
 ])

 const platformFilterOptions = computed(() => [
  { value: '', label: t('admin.groups.allPlatforms') },
  { value: 'anthropic', label: 'Anthropic' },
  { value: 'openai', label: 'OpenAI' },
-  { value: 'gemini', label: 'Gemini' }
+  { value: 'gemini', label: 'Gemini' },
+  { value: 'antigravity', label: 'Antigravity' }
 ])

 const editStatusOptions = computed(() => [