diff --git a/backend/internal/service/antigravity_gateway_service.go b/backend/internal/service/antigravity_gateway_service.go
index 7bdda2e507..aa4cab22d7 100644
--- a/backend/internal/service/antigravity_gateway_service.go
+++ b/backend/internal/service/antigravity_gateway_service.go
@@ -90,6 +90,10 @@ const (
antigravityFallbackSecondsEnv = "GATEWAY_ANTIGRAVITY_FALLBACK_COOLDOWN_SECONDS"
)
+const antigravityProjectIDFallbackCredentialKey = "antigravity_project_id"
+
+var errAntigravityProjectIDRequired = errors.New("该 standard-tier Antigravity 账号需配置 project_id")
+
// AntigravityAccountSwitchError 账号切换信号
// 当账号限流时间超过阈值时，通知上层切换账号
type AntigravityAccountSwitchError struct {
@@ -1029,6 +1033,22 @@ func (s *AntigravityGatewayService) getMappedModel(account *Account, requestedMo
return mapAntigravityModel(account, requestedModel)
}
+func resolveAntigravityProjectID(account *Account) (string, error) {
+ if account == nil {
+ return "", errAntigravityProjectIDRequired
+ }
+ if projectID := strings.TrimSpace(account.GetCredential("project_id")); projectID != "" {
+ return projectID, nil
+ }
+ if projectID := strings.TrimSpace(account.GetCredential(antigravityProjectIDFallbackCredentialKey)); projectID != "" {
+ return projectID, nil
+ }
+ if projectID := strings.TrimSpace(account.GetExtraString(antigravityProjectIDFallbackCredentialKey)); projectID != "" {
+ return projectID, nil
+ }
+ return "", errAntigravityProjectIDRequired
+}
+
// applyThinkingModelSuffix 根据 thinking 配置调整模型名
// 当映射结果是 claude-sonnet-4-5 且请求开启了 thinking 时，改为 claude-sonnet-4-5-thinking
func applyThinkingModelSuffix(mappedModel string, thinkingEnabled bool) string {
@@ -1068,8 +1088,10 @@ func (s *AntigravityGatewayService) TestConnection(ctx context.Context, account
return nil, fmt.Errorf("获取 access_token 失败: %w", err)
}
- // 获取 project_id（部分账户类型可能没有）
- projectID := strings.TrimSpace(account.GetCredential("project_id"))
+ projectID, err := resolveAntigravityProjectID(account)
+ if err != nil {
+ return nil, err
+ }
// 模型映射
mappedModel := s.getMappedModel(account, modelID)
@@ -1326,6 +1348,10 @@ func (s *AntigravityGatewayService) wrapV1InternalRequest(projectID, model strin
if err := json.Unmarshal(originalBody, &request); err != nil {
return nil, fmt.Errorf("解析请求体失败: %w", err)
}
+ projectID = strings.TrimSpace(projectID)
+ if projectID == "" {
+ return nil, errAntigravityProjectIDRequired
+ }
wrapped := map[string]any{
"project": projectID,
@@ -1403,8 +1429,11 @@ func (s *AntigravityGatewayService) Forward(ctx context.Context, c *gin.Context,
}
}
- // 获取 project_id（部分账户类型可能没有）
- projectID := strings.TrimSpace(account.GetCredential("project_id"))
+ projectID, err := resolveAntigravityProjectID(account)
+ if err != nil {
+ _ = s.writeClaudeError(c, http.StatusBadRequest, "invalid_request_error", err.Error())
+ return nil, err
+ }
// 代理 URL
proxyURL := ""
@@ -2171,8 +2200,11 @@ func (s *AntigravityGatewayService) ForwardGemini(ctx context.Context, c *gin.Co
}
}
- // 获取 project_id（部分账户类型可能没有）
- projectID := strings.TrimSpace(account.GetCredential("project_id"))
+ projectID, err := resolveAntigravityProjectID(account)
+ if err != nil {
+ _ = s.writeGoogleError(c, http.StatusBadRequest, err.Error())
+ return nil, err
+ }
// 代理 URL
proxyURL := ""
diff --git a/backend/internal/service/antigravity_gateway_service_test.go b/backend/internal/service/antigravity_gateway_service_test.go
index 0fac7a1eb6..02c2d85e36 100644
--- a/backend/internal/service/antigravity_gateway_service_test.go
+++ b/backend/internal/service/antigravity_gateway_service_test.go
@@ -185,6 +185,21 @@ func (s *queuedHTTPUpstreamStub) DoWithTLS(req *http.Request, proxyURL string, a
return s.Do(req, proxyURL, accountID, concurrency)
}
+type recordingInternal500CounterCache struct {
+ incrementCalls []int64
+ resetCalls []int64
+}
+
+func (c *recordingInternal500CounterCache) IncrementInternal500Count(_ context.Context, accountID int64) (int64, error) {
+ c.incrementCalls = append(c.incrementCalls, accountID)
+ return int64(len(c.incrementCalls)), nil
+}
+
+func (c *recordingInternal500CounterCache) ResetInternal500Count(_ context.Context, accountID int64) error {
+ c.resetCalls = append(c.resetCalls, accountID)
+ return nil
+}
+
type antigravitySettingRepoStub struct{}
func (s *antigravitySettingRepoStub) Get(ctx context.Context, key string) (*Setting, error) {
@@ -215,6 +230,157 @@ func (s *antigravitySettingRepoStub) Delete(ctx context.Context, key string) err
panic("unexpected Delete call")
}
+func TestResolveAntigravityProjectID(t *testing.T) {
+ tests := []struct {
+ name string
+ account *Account
+ want string
+ wantErr bool
+ }{
+ {
+ name: "uses onboard project_id first",
+ account: &Account{Credentials: map[string]any{
+ "project_id": " onboard-project ",
+ antigravityProjectIDFallbackCredentialKey: " configured-project ",
+ }},
+ want: "onboard-project",
+ },
+ {
+ name: "uses configured credentials fallback",
+ account: &Account{Credentials: map[string]any{
+ antigravityProjectIDFallbackCredentialKey: " configured-project ",
+ }},
+ want: "configured-project",
+ },
+ {
+ name: "uses configured extra fallback",
+ account: &Account{Extra: map[string]any{
+ antigravityProjectIDFallbackCredentialKey: " extra-project ",
+ }},
+ want: "extra-project",
+ },
+ {
+ name: "missing project",
+ account: &Account{Credentials: map[string]any{}},
+ wantErr: true,
+ },
+ }
+
+ for _, tc := range tests {
+ t.Run(tc.name, func(t *testing.T) {
+ got, err := resolveAntigravityProjectID(tc.account)
+ if tc.wantErr {
+ require.ErrorIs(t, err, errAntigravityProjectIDRequired)
+ require.Empty(t, got)
+ return
+ }
+ require.NoError(t, err)
+ require.Equal(t, tc.want, got)
+ })
+ }
+}
+
+func TestAntigravityGatewayService_ForwardGemini_UsesConfiguredProjectFallback(t *testing.T) {
+ gin.SetMode(gin.TestMode)
+ writer := httptest.NewRecorder()
+ c, _ := gin.CreateTestContext(writer)
+
+ body, err := json.Marshal(map[string]any{
+ "contents": []map[string]any{
+ {"role": "user", "parts": []map[string]any{{"text": "hello"}}},
+ },
+ })
+ require.NoError(t, err)
+ c.Request = httptest.NewRequest(http.MethodPost, "/antigravity/v1beta/models/gemini-2.5-flash:streamGenerateContent", bytes.NewReader(body))
+
+ upstreamBody := []byte("data: {\"response\":{\"candidates\":[{\"content\":{\"parts\":[{\"text\":\"ok\"}]},\"finishReason\":\"STOP\"}],\"usageMetadata\":{\"promptTokenCount\":1,\"candidatesTokenCount\":1}}}\n\n")
+ upstream := &queuedHTTPUpstreamStub{
+ responses: []*http.Response{
+ {
+ StatusCode: http.StatusOK,
+ Header: http.Header{"Content-Type": []string{"text/event-stream"}},
+ Body: io.NopCloser(bytes.NewReader(upstreamBody)),
+ },
+ },
+ }
+ svc := &AntigravityGatewayService{
+ settingService: NewSettingService(&antigravitySettingRepoStub{}, &config.Config{Gateway: config.GatewayConfig{MaxLineSize: defaultMaxLineSize}}),
+ tokenProvider: &AntigravityTokenProvider{},
+ httpUpstream: upstream,
+ }
+
+ account := &Account{
+ ID: 101,
+ Name: "acc-configured-project",
+ Platform: PlatformAntigravity,
+ Type: AccountTypeOAuth,
+ Status: StatusActive,
+ Concurrency: 1,
+ Credentials: map[string]any{
+ "access_token": "token",
+ antigravityProjectIDFallbackCredentialKey: "configured-project",
+ "model_mapping": map[string]any{
+ "gemini-2.5-flash": "gemini-2.5-flash",
+ },
+ },
+ }
+
+ result, err := svc.ForwardGemini(context.Background(), c, account, "gemini-2.5-flash", "streamGenerateContent", true, body, false)
+ require.NoError(t, err)
+ require.NotNil(t, result)
+ require.Len(t, upstream.requestBodies, 1)
+
+ var wrapped map[string]any
+ require.NoError(t, json.Unmarshal(upstream.requestBodies[0], &wrapped))
+ require.Equal(t, "configured-project", wrapped["project"])
+}
+
+func TestAntigravityGatewayService_ForwardGemini_MissingProjectReturnsLocalError(t *testing.T) {
+ gin.SetMode(gin.TestMode)
+ writer := httptest.NewRecorder()
+ c, _ := gin.CreateTestContext(writer)
+
+ body, err := json.Marshal(map[string]any{
+ "contents": []map[string]any{
+ {"role": "user", "parts": []map[string]any{{"text": "hello"}}},
+ },
+ })
+ require.NoError(t, err)
+ c.Request = httptest.NewRequest(http.MethodPost, "/antigravity/v1beta/models/gemini-2.5-flash:streamGenerateContent", bytes.NewReader(body))
+
+ upstream := &queuedHTTPUpstreamStub{}
+ internal500Cache := &recordingInternal500CounterCache{}
+ svc := &AntigravityGatewayService{
+ tokenProvider: &AntigravityTokenProvider{},
+ httpUpstream: upstream,
+ internal500Cache: internal500Cache,
+ }
+
+ account := &Account{
+ ID: 102,
+ Name: "acc-missing-project",
+ Platform: PlatformAntigravity,
+ Type: AccountTypeOAuth,
+ Status: StatusActive,
+ Concurrency: 1,
+ Credentials: map[string]any{
+ "access_token": "token",
+ "model_mapping": map[string]any{
+ "gemini-2.5-flash": "gemini-2.5-flash",
+ },
+ },
+ }
+
+ result, err := svc.ForwardGemini(context.Background(), c, account, "gemini-2.5-flash", "streamGenerateContent", true, body, false)
+ require.Nil(t, result)
+ require.ErrorIs(t, err, errAntigravityProjectIDRequired)
+ require.Equal(t, http.StatusBadRequest, writer.Code)
+ require.Empty(t, upstream.requestBodies)
+ require.Empty(t, internal500Cache.incrementCalls)
+ require.Contains(t, writer.Body.String(), "project_id")
+ require.NotContains(t, writer.Body.String(), `"project":""`)
+}
+
func TestAntigravityGatewayService_Forward_PromptTooLong(t *testing.T) {
gin.SetMode(gin.TestMode)
writer := httptest.NewRecorder()
@@ -255,6 +421,7 @@ func TestAntigravityGatewayService_Forward_PromptTooLong(t *testing.T) {
Concurrency: 1,
Credentials: map[string]any{
"access_token": "token",
+ "project_id": "proj",
},
}
@@ -313,6 +480,7 @@ func TestAntigravityGatewayService_Forward_ModelRateLimitTriggersFailover(t *tes
Concurrency: 1,
Credentials: map[string]any{
"access_token": "token",
+ "project_id": "proj",
},
Extra: map[string]any{
modelRateLimitsKey: map[string]any{
@@ -369,6 +537,7 @@ func TestAntigravityGatewayService_ForwardGemini_ModelRateLimitTriggersFailover(
Concurrency: 1,
Credentials: map[string]any{
"access_token": "token",
+ "project_id": "proj",
},
Extra: map[string]any{
modelRateLimitsKey: map[string]any{
@@ -423,6 +592,7 @@ func TestAntigravityGatewayService_Forward_StickySessionForceCacheBilling(t *tes
Concurrency: 1,
Credentials: map[string]any{
"access_token": "token",
+ "project_id": "proj",
},
Extra: map[string]any{
modelRateLimitsKey: map[string]any{
@@ -478,6 +648,7 @@ func TestAntigravityGatewayService_ForwardGemini_StickySessionForceCacheBilling(
Concurrency: 1,
Credentials: map[string]any{
"access_token": "token",
+ "project_id": "proj",
},
Extra: map[string]any{
modelRateLimitsKey: map[string]any{
@@ -623,6 +794,7 @@ func TestAntigravityGatewayService_Forward_BillsWithMappedModel(t *testing.T) {
Concurrency: 1,
Credentials: map[string]any{
"access_token": "token",
+ "project_id": "proj",
"model_mapping": map[string]any{
"claude-sonnet-4-5": mappedModel,
},
@@ -676,6 +848,7 @@ func TestAntigravityGatewayService_ForwardGemini_BillsWithMappedModel(t *testing
Concurrency: 1,
Credentials: map[string]any{
"access_token": "token",
+ "project_id": "proj",
"model_mapping": map[string]any{
"gemini-2.5-flash": mappedModel,
},
@@ -747,6 +920,7 @@ func TestAntigravityGatewayService_ForwardGemini_RetriesCorruptedThoughtSignatur
Concurrency: 1,
Credentials: map[string]any{
"access_token": "token",
+ "project_id": "proj",
"model_mapping": map[string]any{
originalModel: mappedModel,
},
@@ -805,6 +979,7 @@ func TestAntigravityGatewayService_ForwardGemini_SignatureRetryPropagatesFailove
Concurrency: 1,
Credentials: map[string]any{
"access_token": "token",
+ "project_id": "proj",
"model_mapping": map[string]any{
originalModel: mappedModel,
},
diff --git a/frontend/src/components/account/CreateAccountModal.vue b/frontend/src/components/account/CreateAccountModal.vue
index d1a7729a58..16cbf43af4 100644
--- a/frontend/src/components/account/CreateAccountModal.vue
+++ b/frontend/src/components/account/CreateAccountModal.vue
@@ -774,6 +774,18 @@
+
+
+
+
{{ t('admin.accounts.antigravityProjectIdHint') }}
+
@@ -3238,7 +3250,10 @@ import ProxyAdBanner from '@/components/common/ProxyAdBanner.vue'
import GroupSelector from '@/components/common/GroupSelector.vue'
import ModelWhitelistSelector from '@/components/account/ModelWhitelistSelector.vue'
import QuotaLimitCard from '@/components/account/QuotaLimitCard.vue'
-import { applyInterceptWarmup } from '@/components/account/credentialsBuilder'
+import {
+ applyAntigravityProjectID,
+ applyInterceptWarmup
+} from '@/components/account/credentialsBuilder'
import { formatDateTimeLocalInput, parseDateTimeLocalInput } from '@/utils/format'
import { createStableObjectKeyResolver } from '@/utils/stableObjectKey'
import { VERTEX_LOCATION_OPTIONS } from '@/constants/account'
@@ -3440,6 +3455,7 @@ loadQuotaNotifyGlobal()
const mixedScheduling = ref(false) // For antigravity accounts: enable mixed scheduling
const allowOverages = ref(false) // For antigravity accounts: enable AI Credits overages
const antigravityAccountType = ref<'oauth' | 'upstream'>('oauth') // For antigravity: oauth or upstream
+const antigravityProjectId = ref('')
const upstreamBaseUrl = ref('') // For upstream type: base URL
const upstreamApiKey = ref('') // For upstream type: API key
const antigravityModelRestrictionMode = ref<'whitelist' | 'mapping'>('whitelist')
@@ -3813,6 +3829,7 @@ watch(
antigravityAccountType.value = 'oauth'
} else {
allowOverages.value = false
+ antigravityProjectId.value = ''
antigravityWhitelistModels.value = []
antigravityModelMappings.value = []
antigravityModelRestrictionMode.value = 'mapping'
@@ -4271,6 +4288,7 @@ const resetForm = () => {
customBaseUrl.value = ''
allowOverages.value = false
antigravityAccountType.value = 'oauth'
+ antigravityProjectId.value = ''
upstreamBaseUrl.value = ''
upstreamApiKey.value = ''
vertexServiceAccountJson.value = ''
@@ -5133,6 +5151,7 @@ const handleAntigravityValidateRT = async (refreshTokenInput: string) => {
}
const credentials = antigravityOAuth.buildCredentials(tokenInfo)
+ applyAntigravityProjectID(credentials, antigravityProjectId.value, 'create')
// Generate account name with index for batch
const accountName = refreshTokens.length > 1 ? `${form.name} #${i + 1}` : form.name
@@ -5249,6 +5268,7 @@ const handleAntigravityExchange = async (authCode: string) => {
if (!tokenInfo) return
const credentials = antigravityOAuth.buildCredentials(tokenInfo)
+ applyAntigravityProjectID(credentials, antigravityProjectId.value, 'create')
applyInterceptWarmup(credentials, interceptWarmupRequests.value, 'create')
// Antigravity 只使用映射模式
const antigravityModelMapping = buildModelMappingObject(
diff --git a/frontend/src/components/account/EditAccountModal.vue b/frontend/src/components/account/EditAccountModal.vue
index 8dc85d0eb8..cabcc03167 100644
--- a/frontend/src/components/account/EditAccountModal.vue
+++ b/frontend/src/components/account/EditAccountModal.vue
@@ -1000,6 +1000,21 @@
+
+
+
+
{{ t('admin.accounts.antigravityProjectIdHint') }}
+
@@ -2398,7 +2413,10 @@ import ProxyAdBanner from '@/components/common/ProxyAdBanner.vue'
import GroupSelector from '@/components/common/GroupSelector.vue'
import ModelWhitelistSelector from '@/components/account/ModelWhitelistSelector.vue'
import QuotaLimitCard from '@/components/account/QuotaLimitCard.vue'
-import { applyInterceptWarmup } from '@/components/account/credentialsBuilder'
+import {
+ applyAntigravityProjectID,
+ applyInterceptWarmup
+} from '@/components/account/credentialsBuilder'
import { formatDateTime, formatDateTimeLocalInput, parseDateTimeLocalInput } from '@/utils/format'
import { createStableObjectKeyResolver } from '@/utils/stableObjectKey'
import { VERTEX_LOCATION_OPTIONS } from '@/constants/account'
@@ -2531,6 +2549,7 @@ const autoPause5hDisabled = ref(false)
const autoPause7dDisabled = ref(false)
const mixedScheduling = ref(false) // For antigravity accounts: enable mixed scheduling
const allowOverages = ref(false) // For antigravity accounts: enable AI Credits overages
+const antigravityProjectId = ref('')
const antigravityModelRestrictionMode = ref<'whitelist' | 'mapping'>('whitelist')
const antigravityWhitelistModels = ref([])
const antigravityModelMappings = ref([])
@@ -2940,6 +2959,12 @@ const syncFormFromAccount = (newAccount: Account | null) => {
editVertexProjectId.value = ''
editVertexClientEmail.value = ''
editVertexLocation.value = 'us-central1'
+ antigravityProjectId.value =
+ newAccount.platform === 'antigravity' &&
+ newAccount.type === 'oauth' &&
+ typeof credentials?.antigravity_project_id === 'string'
+ ? credentials.antigravity_project_id.trim()
+ : ''
// Load mixed scheduling setting (only for antigravity accounts)
mixedScheduling.value = false
@@ -3930,6 +3955,9 @@ const handleSubmit = async () => {
const currentCredentials = (updatePayload.credentials as Record) ||
((props.account.credentials as Record) || {})
const newCredentials: Record = { ...currentCredentials }
+ if (props.account.type === 'oauth') {
+ applyAntigravityProjectID(newCredentials, antigravityProjectId.value, 'edit')
+ }
// 移除旧字段
delete newCredentials.model_whitelist
diff --git a/frontend/src/components/account/__tests__/EditAccountModal.spec.ts b/frontend/src/components/account/__tests__/EditAccountModal.spec.ts
index f4865de9e6..77c333fb2d 100644
--- a/frontend/src/components/account/__tests__/EditAccountModal.spec.ts
+++ b/frontend/src/components/account/__tests__/EditAccountModal.spec.ts
@@ -167,6 +167,31 @@ function buildVertexAccount() {
} as any
}
+function buildAntigravityAccount(projectId = 'configured-project') {
+ return {
+ id: 3,
+ name: 'Antigravity OAuth',
+ notes: '',
+ platform: 'antigravity',
+ type: 'oauth',
+ credentials: {
+ antigravity_project_id: projectId,
+ model_mapping: {
+ 'gemini-2.5-flash': 'gemini-2.5-flash'
+ }
+ },
+ extra: {},
+ proxy_id: null,
+ concurrency: 1,
+ priority: 1,
+ rate_multiplier: 1,
+ status: 'active',
+ group_ids: [],
+ expires_at: null,
+ auto_pause_on_expired: false
+ } as any
+}
+
function mountModal(account = buildAccount()) {
return mount(EditAccountModal, {
props: {
@@ -579,4 +604,43 @@ describe('EditAccountModal', () => {
expect(updateAccountMock).not.toHaveBeenCalled()
})
+
+ it('loads and submits Antigravity configured project fallback', async () => {
+ const account = buildAntigravityAccount('configured-project')
+ updateAccountMock.mockReset()
+ checkMixedChannelRiskMock.mockReset()
+ checkMixedChannelRiskMock.mockResolvedValue({ has_risk: false })
+ updateAccountMock.mockResolvedValue(account)
+
+ const wrapper = mountModal(account)
+ const input = wrapper.get('[data-testid="antigravity-project-id-input"]')
+ expect(input.element.value).toBe('configured-project')
+
+ await input.setValue(' updated-project ')
+ await wrapper.get('form#edit-account-form').trigger('submit.prevent')
+
+ expect(updateAccountMock).toHaveBeenCalledTimes(1)
+ expect(updateAccountMock.mock.calls[0]?.[1]?.credentials?.antigravity_project_id).toBe(
+ 'updated-project'
+ )
+ })
+
+ it('clears Antigravity configured project fallback when input is empty', async () => {
+ const account = buildAntigravityAccount('configured-project')
+ updateAccountMock.mockReset()
+ checkMixedChannelRiskMock.mockReset()
+ checkMixedChannelRiskMock.mockResolvedValue({ has_risk: false })
+ updateAccountMock.mockResolvedValue(account)
+
+ const wrapper = mountModal(account)
+ const input = wrapper.get('[data-testid="antigravity-project-id-input"]')
+
+ await input.setValue('')
+ await wrapper.get('form#edit-account-form').trigger('submit.prevent')
+
+ expect(updateAccountMock).toHaveBeenCalledTimes(1)
+ expect(updateAccountMock.mock.calls[0]?.[1]?.credentials).not.toHaveProperty(
+ 'antigravity_project_id'
+ )
+ })
})
diff --git a/frontend/src/components/account/__tests__/credentialsBuilder.spec.ts b/frontend/src/components/account/__tests__/credentialsBuilder.spec.ts
index be2a8d521c..665b1732e7 100644
--- a/frontend/src/components/account/__tests__/credentialsBuilder.spec.ts
+++ b/frontend/src/components/account/__tests__/credentialsBuilder.spec.ts
@@ -1,5 +1,9 @@
import { describe, it, expect } from 'vitest'
-import { applyInterceptWarmup } from '../credentialsBuilder'
+import {
+ ANTIGRAVITY_PROJECT_ID_CREDENTIAL_KEY,
+ applyAntigravityProjectID,
+ applyInterceptWarmup
+} from '../credentialsBuilder'
describe('applyInterceptWarmup', () => {
it('create + enabled=true: should set intercept_warmup_requests to true', () => {
@@ -44,3 +48,37 @@ describe('applyInterceptWarmup', () => {
expect('intercept_warmup_requests' in creds).toBe(false)
})
})
+
+describe('applyAntigravityProjectID', () => {
+ it('create + project id: trims and stores configured project fallback', () => {
+ const creds: Record = { access_token: 'tok' }
+ applyAntigravityProjectID(creds, ' configured-project ', 'create')
+ expect(creds[ANTIGRAVITY_PROJECT_ID_CREDENTIAL_KEY]).toBe('configured-project')
+ })
+
+ it('create + empty project id: should not add the field', () => {
+ const creds: Record = { access_token: 'tok' }
+ applyAntigravityProjectID(creds, ' ', 'create')
+ expect(ANTIGRAVITY_PROJECT_ID_CREDENTIAL_KEY in creds).toBe(false)
+ })
+
+ it('edit + empty project id: deletes existing fallback', () => {
+ const creds: Record = {
+ access_token: 'tok',
+ [ANTIGRAVITY_PROJECT_ID_CREDENTIAL_KEY]: 'old-project'
+ }
+ applyAntigravityProjectID(creds, '', 'edit')
+ expect(ANTIGRAVITY_PROJECT_ID_CREDENTIAL_KEY in creds).toBe(false)
+ })
+
+ it('does not affect onboard project_id or other credentials', () => {
+ const creds: Record = {
+ project_id: 'onboard-project',
+ model_mapping: { 'gemini-*': 'gemini-2.5-flash' }
+ }
+ applyAntigravityProjectID(creds, 'configured-project', 'edit')
+ expect(creds.project_id).toBe('onboard-project')
+ expect(creds.model_mapping).toEqual({ 'gemini-*': 'gemini-2.5-flash' })
+ expect(creds[ANTIGRAVITY_PROJECT_ID_CREDENTIAL_KEY]).toBe('configured-project')
+ })
+})
diff --git a/frontend/src/components/account/credentialsBuilder.ts b/frontend/src/components/account/credentialsBuilder.ts
index b8008e8bfb..f138976519 100644
--- a/frontend/src/components/account/credentialsBuilder.ts
+++ b/frontend/src/components/account/credentialsBuilder.ts
@@ -9,3 +9,18 @@ export function applyInterceptWarmup(
delete credentials.intercept_warmup_requests
}
}
+
+export const ANTIGRAVITY_PROJECT_ID_CREDENTIAL_KEY = 'antigravity_project_id'
+
+export function applyAntigravityProjectID(
+ credentials: Record,
+ projectId: string,
+ mode: 'create' | 'edit'
+): void {
+ const trimmed = projectId.trim()
+ if (trimmed) {
+ credentials[ANTIGRAVITY_PROJECT_ID_CREDENTIAL_KEY] = trimmed
+ } else if (mode === 'edit') {
+ delete credentials[ANTIGRAVITY_PROJECT_ID_CREDENTIAL_KEY]
+ }
+}
diff --git a/frontend/src/i18n/locales/en.ts b/frontend/src/i18n/locales/en.ts
index bfbde93293..35545b7a62 100644
--- a/frontend/src/i18n/locales/en.ts
+++ b/frontend/src/i18n/locales/en.ts
@@ -3139,6 +3139,10 @@ export default {
upstream: 'Upstream',
upstreamDesc: 'Connect via Base URL + API Key'
},
+ antigravityProjectIdLabel: 'GCP Project ID (optional)',
+ antigravityProjectIdPlaceholder: 'your-gcp-project-id',
+ antigravityProjectIdHint:
+ 'Antigravity standard-tier accounts that do not receive an automatic project_id need a user-owned GCP project.',
status: {
active: 'Active',
inactive: 'Inactive',
diff --git a/frontend/src/i18n/locales/zh.ts b/frontend/src/i18n/locales/zh.ts
index 47d0054493..5fcb9d6b58 100644
--- a/frontend/src/i18n/locales/zh.ts
+++ b/frontend/src/i18n/locales/zh.ts
@@ -3329,6 +3329,10 @@ export default {
api_key: 'API Key',
cookie: 'Cookie'
},
+ antigravityProjectIdLabel: 'GCP Project ID（可选）',
+ antigravityProjectIdPlaceholder: 'your-gcp-project-id',
+ antigravityProjectIdHint:
+ 'standard-tier 且未自动返回 project_id 的 Antigravity 账号需要填写用户自带 GCP project。',
status: {
active: '正常',
inactive: '停用',