Merge pull request #392 from router-for-me/plus

v6.8.30

internal/api/handlers/management/auth_files.go

@@ -1929,8 +1929,6 @@ func (h *Handler) RequestGitHubToken(c *gin.Context) {
 	state := fmt.Sprintf("gh-%d", time.Now().UnixNano())
 
 	// Initialize Copilot auth service
-	// We need to import "github.com/router-for-me/CLIProxyAPI/v6/internal/auth/copilot" first if not present
-	// Assuming copilot package is imported as "copilot"
 	deviceClient := copilot.NewDeviceFlowClient(h.cfg)
 
 	// Initiate device flow
@@ -1944,7 +1942,7 @@ func (h *Handler) RequestGitHubToken(c *gin.Context) {
 	authURL := deviceCode.VerificationURI
 	userCode := deviceCode.UserCode
 
-	RegisterOAuthSession(state, "github")
+	RegisterOAuthSession(state, "github-copilot")
 
 	go func() {
 		fmt.Printf("Please visit %s and enter code: %s\n", authURL, userCode)
@@ -1956,9 +1954,13 @@ func (h *Handler) RequestGitHubToken(c *gin.Context) {
 			return
 		}
 
-		username, errUser := deviceClient.FetchUserInfo(ctx, tokenData.AccessToken)
+		userInfo, errUser := deviceClient.FetchUserInfo(ctx, tokenData.AccessToken)
 		if errUser != nil {
 			log.Warnf("Failed to fetch user info: %v", errUser)
+		}
+
+		username := userInfo.Login
+		if username == "" {
 			username = "github-user"
 		}
 
@@ -1967,18 +1969,26 @@ func (h *Handler) RequestGitHubToken(c *gin.Context) {
 			TokenType:   tokenData.TokenType,
 			Scope:       tokenData.Scope,
 			Username:    username,
+			Email:       userInfo.Email,
+			Name:        userInfo.Name,
 			Type:        "github-copilot",
 		}
 
-		fileName := fmt.Sprintf("github-%s.json", username)
+		fileName := fmt.Sprintf("github-copilot-%s.json", username)
+		label := userInfo.Email
+		if label == "" {
+			label = username
+		}
 		record := &coreauth.Auth{
 			ID:       fileName,
-			Provider: "github",
+			Provider: "github-copilot",
+			Label:    label,
 			FileName: fileName,
 			Storage:  tokenStorage,
 			Metadata: map[string]any{
-				"email":    username,
+				"email":    userInfo.Email,
 				"username": username,
+				"name":     userInfo.Name,
 			},
 		}
 
@@ -1992,7 +2002,7 @@ func (h *Handler) RequestGitHubToken(c *gin.Context) {
 		fmt.Printf("Authentication successful! Token saved to %s\n", savedPath)
 		fmt.Println("You can now use GitHub Copilot services through this CLI")
 		CompleteOAuthSession(state)
-		CompleteOAuthSessionsByProvider("github")
+		CompleteOAuthSessionsByProvider("github-copilot")
 	}()
 
 	c.JSON(200, gin.H{

internal/auth/copilot/copilot_auth.go

@@ -82,15 +82,21 @@ func (c *CopilotAuth) WaitForAuthorization(ctx context.Context, deviceCode *Devi
 	}
 
 	// Fetch the GitHub username
-	username, err := c.deviceClient.FetchUserInfo(ctx, tokenData.AccessToken)
+	userInfo, err := c.deviceClient.FetchUserInfo(ctx, tokenData.AccessToken)
 	if err != nil {
 		log.Warnf("copilot: failed to fetch user info: %v", err)
-		username = "unknown"
+	}
+
+	username := userInfo.Login
+	if username == "" {
+		username = "github-user"
 	}
 
 	return &CopilotAuthBundle{
 		TokenData: tokenData,
 		Username:  username,
+		Email:     userInfo.Email,
+		Name:      userInfo.Name,
 	}, nil
 }
 
@@ -150,12 +156,12 @@ func (c *CopilotAuth) ValidateToken(ctx context.Context, accessToken string) (bo
 		return false, "", nil
 	}
 
-	username, err := c.deviceClient.FetchUserInfo(ctx, accessToken)
+	userInfo, err := c.deviceClient.FetchUserInfo(ctx, accessToken)
 	if err != nil {
 		return false, "", err
 	}
 
-	return true, username, nil
+	return true, userInfo.Login, nil
 }
 
 // CreateTokenStorage creates a new CopilotTokenStorage from auth bundle.
@@ -165,6 +171,8 @@ func (c *CopilotAuth) CreateTokenStorage(bundle *CopilotAuthBundle) *CopilotToke
 		TokenType:   bundle.TokenData.TokenType,
 		Scope:       bundle.TokenData.Scope,
 		Username:    bundle.Username,
+		Email:       bundle.Email,
+		Name:        bundle.Name,
 		Type:        "github-copilot",
 	}
 }

internal/auth/copilot/oauth.go

@@ -53,7 +53,7 @@ func NewDeviceFlowClient(cfg *config.Config) *DeviceFlowClient {
 func (c *DeviceFlowClient) RequestDeviceCode(ctx context.Context) (*DeviceCodeResponse, error) {
 	data := url.Values{}
 	data.Set("client_id", copilotClientID)
-	data.Set("scope", "user:email")
+	data.Set("scope", "read:user user:email")
 
 	req, err := http.NewRequestWithContext(ctx, http.MethodPost, copilotDeviceCodeURL, strings.NewReader(data.Encode()))
 	if err != nil {
@@ -211,15 +211,25 @@ func (c *DeviceFlowClient) exchangeDeviceCode(ctx context.Context, deviceCode st
 	}, nil
 }
 
-// FetchUserInfo retrieves the GitHub username for the authenticated user.
-func (c *DeviceFlowClient) FetchUserInfo(ctx context.Context, accessToken string) (string, error) {
+// GitHubUserInfo holds GitHub user profile information.
+type GitHubUserInfo struct {
+	// Login is the GitHub username.
+	Login string
+	// Email is the primary email address (may be empty if not public).
+	Email string
+	// Name is the display name.
+	Name string
+}
+
+// FetchUserInfo retrieves the GitHub user profile for the authenticated user.
+func (c *DeviceFlowClient) FetchUserInfo(ctx context.Context, accessToken string) (GitHubUserInfo, error) {
 	if accessToken == "" {
-		return "", NewAuthenticationError(ErrUserInfoFailed, fmt.Errorf("access token is empty"))
+		return GitHubUserInfo{}, NewAuthenticationError(ErrUserInfoFailed, fmt.Errorf("access token is empty"))
 	}
 
 	req, err := http.NewRequestWithContext(ctx, http.MethodGet, copilotUserInfoURL, nil)
 	if err != nil {
-		return "", NewAuthenticationError(ErrUserInfoFailed, err)
+		return GitHubUserInfo{}, NewAuthenticationError(ErrUserInfoFailed, err)
 	}
 	req.Header.Set("Authorization", "Bearer "+accessToken)
 	req.Header.Set("Accept", "application/json")
@@ -227,7 +237,7 @@ func (c *DeviceFlowClient) FetchUserInfo(ctx context.Context, accessToken string
 
 	resp, err := c.httpClient.Do(req)
 	if err != nil {
-		return "", NewAuthenticationError(ErrUserInfoFailed, err)
+		return GitHubUserInfo{}, NewAuthenticationError(ErrUserInfoFailed, err)
 	}
 	defer func() {
 		if errClose := resp.Body.Close(); errClose != nil {
@@ -237,19 +247,25 @@ func (c *DeviceFlowClient) FetchUserInfo(ctx context.Context, accessToken string
 
 	if !isHTTPSuccess(resp.StatusCode) {
 		bodyBytes, _ := io.ReadAll(resp.Body)
-		return "", NewAuthenticationError(ErrUserInfoFailed, fmt.Errorf("status %d: %s", resp.StatusCode, string(bodyBytes)))
+		return GitHubUserInfo{}, NewAuthenticationError(ErrUserInfoFailed, fmt.Errorf("status %d: %s", resp.StatusCode, string(bodyBytes)))
 	}
 
-	var userInfo struct {
+	var raw struct {
 		Login string `json:"login"`
+		Email string `json:"email"`
+		Name  string `json:"name"`
 	}
-	if err = json.NewDecoder(resp.Body).Decode(&userInfo); err != nil {
-		return "", NewAuthenticationError(ErrUserInfoFailed, err)
+	if err = json.NewDecoder(resp.Body).Decode(&raw); err != nil {
+		return GitHubUserInfo{}, NewAuthenticationError(ErrUserInfoFailed, err)
 	}
 
-	if userInfo.Login == "" {
-		return "", NewAuthenticationError(ErrUserInfoFailed, fmt.Errorf("empty username"))
+	if raw.Login == "" {
+		return GitHubUserInfo{}, NewAuthenticationError(ErrUserInfoFailed, fmt.Errorf("empty username"))
 	}
 
-	return userInfo.Login, nil
+	return GitHubUserInfo{
+		Login: raw.Login,
+		Email: raw.Email,
+		Name:  raw.Name,
+	}, nil
 }

internal/auth/copilot/oauth_test.go

@@ -0,0 +1,213 @@
+package copilot
+
+import (
+	"context"
+	"encoding/json"
+	"net/http"
+	"net/http/httptest"
+	"strings"
+	"testing"
+)
+
+// roundTripFunc lets us inject a custom transport for testing.
+type roundTripFunc func(*http.Request) (*http.Response, error)
+
+func (f roundTripFunc) RoundTrip(r *http.Request) (*http.Response, error) { return f(r) }
+
+// newTestClient returns an *http.Client whose requests are redirected to the given test server,
+// regardless of the original URL host.
+func newTestClient(srv *httptest.Server) *http.Client {
+	return &http.Client{
+		Transport: roundTripFunc(func(req *http.Request) (*http.Response, error) {
+			req2 := req.Clone(req.Context())
+			req2.URL.Scheme = "http"
+			req2.URL.Host = strings.TrimPrefix(srv.URL, "http://")
+			return srv.Client().Transport.RoundTrip(req2)
+		}),
+	}
+}
+
+// TestFetchUserInfo_FullProfile verifies that FetchUserInfo returns login, email, and name.
+func TestFetchUserInfo_FullProfile(t *testing.T) {
+	srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		if !strings.HasPrefix(r.Header.Get("Authorization"), "Bearer ") {
+			w.WriteHeader(http.StatusUnauthorized)
+			return
+		}
+		w.Header().Set("Content-Type", "application/json")
+		_ = json.NewEncoder(w).Encode(map[string]string{
+			"login": "octocat",
+			"email": "octocat@github.com",
+			"name":  "The Octocat",
+		})
+	}))
+	defer srv.Close()
+
+	client := &DeviceFlowClient{httpClient: newTestClient(srv)}
+	info, err := client.FetchUserInfo(context.Background(), "test-token")
+	if err != nil {
+		t.Fatalf("unexpected error: %v", err)
+	}
+	if info.Login != "octocat" {
+		t.Errorf("Login: got %q, want %q", info.Login, "octocat")
+	}
+	if info.Email != "octocat@github.com" {
+		t.Errorf("Email: got %q, want %q", info.Email, "octocat@github.com")
+	}
+	if info.Name != "The Octocat" {
+		t.Errorf("Name: got %q, want %q", info.Name, "The Octocat")
+	}
+}
+
+// TestFetchUserInfo_EmptyEmail verifies graceful handling when email is absent (private account).
+func TestFetchUserInfo_EmptyEmail(t *testing.T) {
+	srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		w.Header().Set("Content-Type", "application/json")
+		// GitHub returns null for private emails.
+		_, _ = w.Write([]byte(`{"login":"privateuser","email":null,"name":"Private User"}`))
+	}))
+	defer srv.Close()
+
+	client := &DeviceFlowClient{httpClient: newTestClient(srv)}
+	info, err := client.FetchUserInfo(context.Background(), "test-token")
+	if err != nil {
+		t.Fatalf("unexpected error: %v", err)
+	}
+	if info.Login != "privateuser" {
+		t.Errorf("Login: got %q, want %q", info.Login, "privateuser")
+	}
+	if info.Email != "" {
+		t.Errorf("Email: got %q, want empty string", info.Email)
+	}
+	if info.Name != "Private User" {
+		t.Errorf("Name: got %q, want %q", info.Name, "Private User")
+	}
+}
+
+// TestFetchUserInfo_EmptyToken verifies error is returned for empty access token.
+func TestFetchUserInfo_EmptyToken(t *testing.T) {
+	client := &DeviceFlowClient{httpClient: http.DefaultClient}
+	_, err := client.FetchUserInfo(context.Background(), "")
+	if err == nil {
+		t.Fatal("expected error for empty token, got nil")
+	}
+}
+
+// TestFetchUserInfo_EmptyLogin verifies error is returned when API returns no login.
+func TestFetchUserInfo_EmptyLogin(t *testing.T) {
+	srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		w.Header().Set("Content-Type", "application/json")
+		_, _ = w.Write([]byte(`{"email":"someone@example.com","name":"No Login"}`))
+	}))
+	defer srv.Close()
+
+	client := &DeviceFlowClient{httpClient: newTestClient(srv)}
+	_, err := client.FetchUserInfo(context.Background(), "test-token")
+	if err == nil {
+		t.Fatal("expected error for empty login, got nil")
+	}
+}
+
+// TestFetchUserInfo_HTTPError verifies error is returned on non-2xx response.
+func TestFetchUserInfo_HTTPError(t *testing.T) {
+	srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		w.WriteHeader(http.StatusUnauthorized)
+		_, _ = w.Write([]byte(`{"message":"Bad credentials"}`))
+	}))
+	defer srv.Close()
+
+	client := &DeviceFlowClient{httpClient: newTestClient(srv)}
+	_, err := client.FetchUserInfo(context.Background(), "bad-token")
+	if err == nil {
+		t.Fatal("expected error for 401 response, got nil")
+	}
+}
+
+// TestCopilotTokenStorage_EmailNameFields verifies Email and Name serialise correctly.
+func TestCopilotTokenStorage_EmailNameFields(t *testing.T) {
+	ts := &CopilotTokenStorage{
+		AccessToken: "ghu_abc",
+		TokenType:   "bearer",
+		Scope:       "read:user user:email",
+		Username:    "octocat",
+		Email:       "octocat@github.com",
+		Name:        "The Octocat",
+		Type:        "github-copilot",
+	}
+
+	data, err := json.Marshal(ts)
+	if err != nil {
+		t.Fatalf("marshal error: %v", err)
+	}
+
+	var out map[string]any
+	if err = json.Unmarshal(data, &out); err != nil {
+		t.Fatalf("unmarshal error: %v", err)
+	}
+
+	for _, key := range []string{"access_token", "username", "email", "name", "type"} {
+		if _, ok := out[key]; !ok {
+			t.Errorf("expected key %q in JSON output, not found", key)
+		}
+	}
+	if out["email"] != "octocat@github.com" {
+		t.Errorf("email: got %v, want %q", out["email"], "octocat@github.com")
+	}
+	if out["name"] != "The Octocat" {
+		t.Errorf("name: got %v, want %q", out["name"], "The Octocat")
+	}
+}
+
+// TestCopilotTokenStorage_OmitEmptyEmailName verifies email/name are omitted when empty (omitempty).
+func TestCopilotTokenStorage_OmitEmptyEmailName(t *testing.T) {
+	ts := &CopilotTokenStorage{
+		AccessToken: "ghu_abc",
+		Username:    "octocat",
+		Type:        "github-copilot",
+	}
+
+	data, err := json.Marshal(ts)
+	if err != nil {
+		t.Fatalf("marshal error: %v", err)
+	}
+
+	var out map[string]any
+	if err = json.Unmarshal(data, &out); err != nil {
+		t.Fatalf("unmarshal error: %v", err)
+	}
+
+	if _, ok := out["email"]; ok {
+		t.Error("email key should be omitted when empty (omitempty), but was present")
+	}
+	if _, ok := out["name"]; ok {
+		t.Error("name key should be omitted when empty (omitempty), but was present")
+	}
+}
+
+// TestCopilotAuthBundle_EmailNameFields verifies bundle carries email and name through the pipeline.
+func TestCopilotAuthBundle_EmailNameFields(t *testing.T) {
+	bundle := &CopilotAuthBundle{
+		TokenData: &CopilotTokenData{AccessToken: "ghu_abc"},
+		Username:  "octocat",
+		Email:     "octocat@github.com",
+		Name:      "The Octocat",
+	}
+	if bundle.Email != "octocat@github.com" {
+		t.Errorf("bundle.Email: got %q, want %q", bundle.Email, "octocat@github.com")
+	}
+	if bundle.Name != "The Octocat" {
+		t.Errorf("bundle.Name: got %q, want %q", bundle.Name, "The Octocat")
+	}
+}
+
+// TestGitHubUserInfo_Struct verifies the exported GitHubUserInfo struct fields are accessible.
+func TestGitHubUserInfo_Struct(t *testing.T) {
+	info := GitHubUserInfo{
+		Login: "octocat",
+		Email: "octocat@github.com",
+		Name:  "The Octocat",
+	}
+	if info.Login == "" || info.Email == "" || info.Name == "" {
+		t.Error("GitHubUserInfo fields should not be empty")
+	}
+}

internal/auth/copilot/token.go

@@ -26,6 +26,10 @@ type CopilotTokenStorage struct {
 	ExpiresAt string `json:"expires_at,omitempty"`
 	// Username is the GitHub username associated with this token.
 	Username string `json:"username"`
+	// Email is the GitHub email address associated with this token.
+	Email string `json:"email,omitempty"`
+	// Name is the GitHub display name associated with this token.
+	Name string `json:"name,omitempty"`
 	// Type indicates the authentication provider type, always "github-copilot" for this storage.
 	Type string `json:"type"`
 }
@@ -46,6 +50,10 @@ type CopilotAuthBundle struct {
 	TokenData *CopilotTokenData
 	// Username is the GitHub username.
 	Username string
+	// Email is the GitHub email address.
+	Email string
+	// Name is the GitHub display name.
+	Name string
 }
 
 // DeviceCodeResponse represents GitHub's device code response.

internal/registry/model_definitions_static_data.go

@@ -916,19 +916,12 @@ func GetIFlowModels() []*ModelInfo {
 		Created     int64
 		Thinking    *ThinkingSupport
 	}{
-		{ID: "tstars2.0", DisplayName: "TStars-2.0", Description: "iFlow TStars-2.0 multimodal assistant", Created: 1746489600},
 		{ID: "qwen3-coder-plus", DisplayName: "Qwen3-Coder-Plus", Description: "Qwen3 Coder Plus code generation", Created: 1753228800},
 		{ID: "qwen3-max", DisplayName: "Qwen3-Max", Description: "Qwen3 flagship model", Created: 1758672000},
 		{ID: "qwen3-vl-plus", DisplayName: "Qwen3-VL-Plus", Description: "Qwen3 multimodal vision-language", Created: 1758672000},
 		{ID: "qwen3-max-preview", DisplayName: "Qwen3-Max-Preview", Description: "Qwen3 Max preview build", Created: 1757030400, Thinking: iFlowThinkingSupport},
-		{ID: "kimi-k2-0905", DisplayName: "Kimi-K2-Instruct-0905", Description: "Moonshot Kimi K2 instruct 0905", Created: 1757030400},
 		{ID: "glm-4.6", DisplayName: "GLM-4.6", Description: "Zhipu GLM 4.6 general model", Created: 1759190400, Thinking: iFlowThinkingSupport},
-		{ID: "glm-4.7", DisplayName: "GLM-4.7", Description: "Zhipu GLM 4.7 general model", Created: 1766448000, Thinking: iFlowThinkingSupport},
-		{ID: "glm-5", DisplayName: "GLM-5", Description: "Zhipu GLM 5 general model", Created: 1770768000, Thinking: iFlowThinkingSupport},
 		{ID: "kimi-k2", DisplayName: "Kimi-K2", Description: "Moonshot Kimi K2 general model", Created: 1752192000},
-		{ID: "kimi-k2-thinking", DisplayName: "Kimi-K2-Thinking", Description: "Moonshot Kimi K2 thinking model", Created: 1762387200},
-		{ID: "deepseek-v3.2-chat", DisplayName: "DeepSeek-V3.2", Description: "DeepSeek V3.2 Chat", Created: 1764576000},
-		{ID: "deepseek-v3.2-reasoner", DisplayName: "DeepSeek-V3.2", Description: "DeepSeek V3.2 Reasoner", Created: 1764576000},
 		{ID: "deepseek-v3.2", DisplayName: "DeepSeek-V3.2-Exp", Description: "DeepSeek V3.2 experimental", Created: 1759104000, Thinking: iFlowThinkingSupport},
 		{ID: "deepseek-v3.1", DisplayName: "DeepSeek-V3.1-Terminus", Description: "DeepSeek V3.1 Terminus", Created: 1756339200, Thinking: iFlowThinkingSupport},
 		{ID: "deepseek-r1", DisplayName: "DeepSeek-R1", Description: "DeepSeek reasoning model R1", Created: 1737331200},
@@ -937,11 +930,7 @@ func GetIFlowModels() []*ModelInfo {
 		{ID: "qwen3-235b-a22b-thinking-2507", DisplayName: "Qwen3-235B-A22B-Thinking", Description: "Qwen3 235B A22B Thinking (2507)", Created: 1753401600},
 		{ID: "qwen3-235b-a22b-instruct", DisplayName: "Qwen3-235B-A22B-Instruct", Description: "Qwen3 235B A22B Instruct", Created: 1753401600},
 		{ID: "qwen3-235b", DisplayName: "Qwen3-235B-A22B", Description: "Qwen3 235B A22B", Created: 1753401600},
-		{ID: "minimax-m2", DisplayName: "MiniMax-M2", Description: "MiniMax M2", Created: 1758672000, Thinking: iFlowThinkingSupport},
-		{ID: "minimax-m2.1", DisplayName: "MiniMax-M2.1", Description: "MiniMax M2.1", Created: 1766448000, Thinking: iFlowThinkingSupport},
-		{ID: "minimax-m2.5", DisplayName: "MiniMax-M2.5", Description: "MiniMax M2.5", Created: 1770825600, Thinking: iFlowThinkingSupport},
 		{ID: "iflow-rome-30ba3b", DisplayName: "iFlow-ROME", Description: "iFlow Rome 30BA3B model", Created: 1736899200},
-		{ID: "kimi-k2.5", DisplayName: "Kimi-K2.5", Description: "Moonshot Kimi K2.5", Created: 1769443200, Thinking: iFlowThinkingSupport},
 	}
 	models := make([]*ModelInfo, 0, len(entries))
 	for _, entry := range entries {

internal/runtime/executor/antigravity_executor.go

@@ -54,8 +54,78 @@ const (
 var (
 	randSource      = rand.New(rand.NewSource(time.Now().UnixNano()))
 	randSourceMutex sync.Mutex
+	// antigravityPrimaryModelsCache keeps the latest non-empty model list fetched
+	// from any antigravity auth. Empty fetches never overwrite this cache.
+	antigravityPrimaryModelsCache struct {
+		mu     sync.RWMutex
+		models []*registry.ModelInfo
+	}
 )
 
+func cloneAntigravityModels(models []*registry.ModelInfo) []*registry.ModelInfo {
+	if len(models) == 0 {
+		return nil
+	}
+	out := make([]*registry.ModelInfo, 0, len(models))
+	for _, model := range models {
+		if model == nil || strings.TrimSpace(model.ID) == "" {
+			continue
+		}
+		out = append(out, cloneAntigravityModelInfo(model))
+	}
+	if len(out) == 0 {
+		return nil
+	}
+	return out
+}
+
+func cloneAntigravityModelInfo(model *registry.ModelInfo) *registry.ModelInfo {
+	if model == nil {
+		return nil
+	}
+	clone := *model
+	if len(model.SupportedGenerationMethods) > 0 {
+		clone.SupportedGenerationMethods = append([]string(nil), model.SupportedGenerationMethods...)
+	}
+	if len(model.SupportedParameters) > 0 {
+		clone.SupportedParameters = append([]string(nil), model.SupportedParameters...)
+	}
+	if model.Thinking != nil {
+		thinkingClone := *model.Thinking
+		if len(model.Thinking.Levels) > 0 {
+			thinkingClone.Levels = append([]string(nil), model.Thinking.Levels...)
+		}
+		clone.Thinking = &thinkingClone
+	}
+	return &clone
+}
+
+func storeAntigravityPrimaryModels(models []*registry.ModelInfo) bool {
+	cloned := cloneAntigravityModels(models)
+	if len(cloned) == 0 {
+		return false
+	}
+	antigravityPrimaryModelsCache.mu.Lock()
+	antigravityPrimaryModelsCache.models = cloned
+	antigravityPrimaryModelsCache.mu.Unlock()
+	return true
+}
+
+func loadAntigravityPrimaryModels() []*registry.ModelInfo {
+	antigravityPrimaryModelsCache.mu.RLock()
+	cloned := cloneAntigravityModels(antigravityPrimaryModelsCache.models)
+	antigravityPrimaryModelsCache.mu.RUnlock()
+	return cloned
+}
+
+func fallbackAntigravityPrimaryModels() []*registry.ModelInfo {
+	models := loadAntigravityPrimaryModels()
+	if len(models) > 0 {
+		log.Debugf("antigravity executor: using cached primary model list (%d models)", len(models))
+	}
+	return models
+}
+
 // AntigravityExecutor proxies requests to the antigravity upstream.
 type AntigravityExecutor struct {
 	cfg *config.Config
@@ -1006,14 +1076,9 @@ func (e *AntigravityExecutor) CountTokens(ctx context.Context, auth *cliproxyaut
 func FetchAntigravityModels(ctx context.Context, auth *cliproxyauth.Auth, cfg *config.Config) []*registry.ModelInfo {
 	exec := &AntigravityExecutor{cfg: cfg}
 	token, updatedAuth, errToken := exec.ensureAccessToken(ctx, auth)
-	if errToken != nil {
-		log.Warnf("antigravity executor: fetch models failed for %s: token error: %v", auth.ID, errToken)
-		return nil
-	}
-	if token == "" {
-		log.Warnf("antigravity executor: fetch models failed for %s: got empty token", auth.ID)
-		return nil
-	}
+	if errToken != nil || token == "" {
+		return fallbackAntigravityPrimaryModels()
+  }
 	if updatedAuth != nil {
 		auth = updatedAuth
 	}
@@ -1025,8 +1090,7 @@ func FetchAntigravityModels(ctx context.Context, auth *cliproxyauth.Auth, cfg *c
 		modelsURL := baseURL + antigravityModelsPath
 		httpReq, errReq := http.NewRequestWithContext(ctx, http.MethodPost, modelsURL, bytes.NewReader([]byte(`{}`)))
 		if errReq != nil {
-			log.Warnf("antigravity executor: fetch models failed for %s: create request error: %v", auth.ID, errReq)
-			return nil
+			return fallbackAntigravityPrimaryModels()
 		}
 		httpReq.Header.Set("Content-Type", "application/json")
 		httpReq.Header.Set("Authorization", "Bearer "+token)
@@ -1038,15 +1102,13 @@ func FetchAntigravityModels(ctx context.Context, auth *cliproxyauth.Auth, cfg *c
 		httpResp, errDo := httpClient.Do(httpReq)
 		if errDo != nil {
 			if errors.Is(errDo, context.Canceled) || errors.Is(errDo, context.DeadlineExceeded) {
-				log.Warnf("antigravity executor: fetch models failed for %s: context canceled: %v", auth.ID, errDo)
-				return nil
+				return fallbackAntigravityPrimaryModels()
 			}
 			if idx+1 < len(baseURLs) {
 				log.Debugf("antigravity executor: models request error on base url %s, retrying with fallback base url: %s", baseURL, baseURLs[idx+1])
 				continue
 			}
-			log.Warnf("antigravity executor: fetch models failed for %s: request error: %v", auth.ID, errDo)
-			return nil
+			return fallbackAntigravityPrimaryModels()
 		}
 
 		bodyBytes, errRead := io.ReadAll(httpResp.Body)
@@ -1058,22 +1120,27 @@ func FetchAntigravityModels(ctx context.Context, auth *cliproxyauth.Auth, cfg *c
 				log.Debugf("antigravity executor: models read error on base url %s, retrying with fallback base url: %s", baseURL, baseURLs[idx+1])
 				continue
 			}
-			log.Warnf("antigravity executor: fetch models failed for %s: read body error: %v", auth.ID, errRead)
-			return nil
+			return fallbackAntigravityPrimaryModels()
 		}
 		if httpResp.StatusCode < http.StatusOK || httpResp.StatusCode >= http.StatusMultipleChoices {
 			if httpResp.StatusCode == http.StatusTooManyRequests && idx+1 < len(baseURLs) {
 				log.Debugf("antigravity executor: models request rate limited on base url %s, retrying with fallback base url: %s", baseURL, baseURLs[idx+1])
 				continue
 			}
-			log.Warnf("antigravity executor: fetch models failed for %s: unexpected status %d, body: %s", auth.ID, httpResp.StatusCode, string(bodyBytes))
-			return nil
+			if idx+1 < len(baseURLs) {
+				log.Debugf("antigravity executor: models request failed with status %d on base url %s, retrying with fallback base url: %s", httpResp.StatusCode, baseURL, baseURLs[idx+1])
+				continue
+			}
+			return fallbackAntigravityPrimaryModels()
 		}
 
 		result := gjson.GetBytes(bodyBytes, "models")
 		if !result.Exists() {
-			log.Warnf("antigravity executor: fetch models failed for %s: no models field in response, body: %s", auth.ID, string(bodyBytes))
-			return nil
+			if idx+1 < len(baseURLs) {
+				log.Debugf("antigravity executor: models field missing on base url %s, retrying with fallback base url: %s", baseURL, baseURLs[idx+1])
+				continue
+			}
+			return fallbackAntigravityPrimaryModels()
 		}
 
 		now := time.Now().Unix()
@@ -1118,9 +1185,18 @@ func FetchAntigravityModels(ctx context.Context, auth *cliproxyauth.Auth, cfg *c
 			}
 			models = append(models, modelInfo)
 		}
+		if len(models) == 0 {
+			if idx+1 < len(baseURLs) {
+				log.Debugf("antigravity executor: empty models list on base url %s, retrying with fallback base url: %s", baseURL, baseURLs[idx+1])
+				continue
+			}
+			log.Debug("antigravity executor: fetched empty model list; retaining cached primary model list")
+			return fallbackAntigravityPrimaryModels()
+		}
+		storeAntigravityPrimaryModels(models)
 		return models
 	}
-	return nil
+	return fallbackAntigravityPrimaryModels()
 }
 
 func (e *AntigravityExecutor) ensureAccessToken(ctx context.Context, auth *cliproxyauth.Auth) (string, *cliproxyauth.Auth, error) {

internal/runtime/executor/antigravity_executor_models_cache_test.go

@@ -0,0 +1,90 @@
+package executor
+
+import (
+	"testing"
+
+	"github.com/router-for-me/CLIProxyAPI/v6/internal/registry"
+)
+
+func resetAntigravityPrimaryModelsCacheForTest() {
+	antigravityPrimaryModelsCache.mu.Lock()
+	antigravityPrimaryModelsCache.models = nil
+	antigravityPrimaryModelsCache.mu.Unlock()
+}
+
+func TestStoreAntigravityPrimaryModels_EmptyDoesNotOverwrite(t *testing.T) {
+	resetAntigravityPrimaryModelsCacheForTest()
+	t.Cleanup(resetAntigravityPrimaryModelsCacheForTest)
+
+	seed := []*registry.ModelInfo{
+		{ID: "claude-sonnet-4-5"},
+		{ID: "gemini-2.5-pro"},
+	}
+	if updated := storeAntigravityPrimaryModels(seed); !updated {
+		t.Fatal("expected non-empty model list to update primary cache")
+	}
+
+	if updated := storeAntigravityPrimaryModels(nil); updated {
+		t.Fatal("expected nil model list not to overwrite primary cache")
+	}
+	if updated := storeAntigravityPrimaryModels([]*registry.ModelInfo{}); updated {
+		t.Fatal("expected empty model list not to overwrite primary cache")
+	}
+
+	got := loadAntigravityPrimaryModels()
+	if len(got) != 2 {
+		t.Fatalf("expected cached model count 2, got %d", len(got))
+	}
+	if got[0].ID != "claude-sonnet-4-5" || got[1].ID != "gemini-2.5-pro" {
+		t.Fatalf("unexpected cached model ids: %q, %q", got[0].ID, got[1].ID)
+	}
+}
+
+func TestLoadAntigravityPrimaryModels_ReturnsClone(t *testing.T) {
+	resetAntigravityPrimaryModelsCacheForTest()
+	t.Cleanup(resetAntigravityPrimaryModelsCacheForTest)
+
+	if updated := storeAntigravityPrimaryModels([]*registry.ModelInfo{{
+		ID:                         "gpt-5",
+		DisplayName:                "GPT-5",
+		SupportedGenerationMethods: []string{"generateContent"},
+		SupportedParameters:        []string{"temperature"},
+		Thinking: &registry.ThinkingSupport{
+			Levels: []string{"high"},
+		},
+	}}); !updated {
+		t.Fatal("expected model cache update")
+	}
+
+	got := loadAntigravityPrimaryModels()
+	if len(got) != 1 {
+		t.Fatalf("expected one cached model, got %d", len(got))
+	}
+	got[0].ID = "mutated-id"
+	if len(got[0].SupportedGenerationMethods) > 0 {
+		got[0].SupportedGenerationMethods[0] = "mutated-method"
+	}
+	if len(got[0].SupportedParameters) > 0 {
+		got[0].SupportedParameters[0] = "mutated-parameter"
+	}
+	if got[0].Thinking != nil && len(got[0].Thinking.Levels) > 0 {
+		got[0].Thinking.Levels[0] = "mutated-level"
+	}
+
+	again := loadAntigravityPrimaryModels()
+	if len(again) != 1 {
+		t.Fatalf("expected one cached model after mutation, got %d", len(again))
+	}
+	if again[0].ID != "gpt-5" {
+		t.Fatalf("expected cached model id to remain %q, got %q", "gpt-5", again[0].ID)
+	}
+	if len(again[0].SupportedGenerationMethods) == 0 || again[0].SupportedGenerationMethods[0] != "generateContent" {
+		t.Fatalf("expected cached generation methods to be unmutated, got %v", again[0].SupportedGenerationMethods)
+	}
+	if len(again[0].SupportedParameters) == 0 || again[0].SupportedParameters[0] != "temperature" {
+		t.Fatalf("expected cached supported parameters to be unmutated, got %v", again[0].SupportedParameters)
+	}
+	if again[0].Thinking == nil || len(again[0].Thinking.Levels) == 0 || again[0].Thinking.Levels[0] != "high" {
+		t.Fatalf("expected cached model thinking levels to be unmutated, got %v", again[0].Thinking)
+	}
+}

internal/translator/antigravity/claude/antigravity_claude_request.go

@@ -223,14 +223,65 @@ func ConvertClaudeRequestToAntigravity(modelName string, inputRawJSON []byte, _
 								functionResponseJSON, _ = sjson.Set(functionResponseJSON, "response.result", responseData)
 							} else if functionResponseResult.IsArray() {
 								frResults := functionResponseResult.Array()
-								if len(frResults) == 1 {
-									functionResponseJSON, _ = sjson.SetRaw(functionResponseJSON, "response.result", frResults[0].Raw)
+								nonImageCount := 0
+								lastNonImageRaw := ""
+								filteredJSON := "[]"
+								imagePartsJSON := "[]"
+								for _, fr := range frResults {
+									if fr.Get("type").String() == "image" && fr.Get("source.type").String() == "base64" {
+										inlineDataJSON := `{}`
+										if mimeType := fr.Get("source.media_type").String(); mimeType != "" {
+											inlineDataJSON, _ = sjson.Set(inlineDataJSON, "mimeType", mimeType)
+										}
+										if data := fr.Get("source.data").String(); data != "" {
+											inlineDataJSON, _ = sjson.Set(inlineDataJSON, "data", data)
+										}
+
+										imagePartJSON := `{}`
+										imagePartJSON, _ = sjson.SetRaw(imagePartJSON, "inlineData", inlineDataJSON)
+										imagePartsJSON, _ = sjson.SetRaw(imagePartsJSON, "-1", imagePartJSON)
+										continue
+									}
+
+									nonImageCount++
+									lastNonImageRaw = fr.Raw
+									filteredJSON, _ = sjson.SetRaw(filteredJSON, "-1", fr.Raw)
+								}
+
+								if nonImageCount == 1 {
+									functionResponseJSON, _ = sjson.SetRaw(functionResponseJSON, "response.result", lastNonImageRaw)
+								} else if nonImageCount > 1 {
+									functionResponseJSON, _ = sjson.SetRaw(functionResponseJSON, "response.result", filteredJSON)
 								} else {
-									functionResponseJSON, _ = sjson.SetRaw(functionResponseJSON, "response.result", functionResponseResult.Raw)
+									functionResponseJSON, _ = sjson.Set(functionResponseJSON, "response.result", "")
+								}
+
+								// Place image data inside functionResponse.parts as inlineData
+								// instead of as sibling parts in the outer content, to avoid
+								// base64 data bloating the text context.
+								if gjson.Get(imagePartsJSON, "#").Int() > 0 {
+									functionResponseJSON, _ = sjson.SetRaw(functionResponseJSON, "parts", imagePartsJSON)
 								}
 
 							} else if functionResponseResult.IsObject() {
-								functionResponseJSON, _ = sjson.SetRaw(functionResponseJSON, "response.result", functionResponseResult.Raw)
+								if functionResponseResult.Get("type").String() == "image" && functionResponseResult.Get("source.type").String() == "base64" {
+									inlineDataJSON := `{}`
+									if mimeType := functionResponseResult.Get("source.media_type").String(); mimeType != "" {
+										inlineDataJSON, _ = sjson.Set(inlineDataJSON, "mimeType", mimeType)
+									}
+									if data := functionResponseResult.Get("source.data").String(); data != "" {
+										inlineDataJSON, _ = sjson.Set(inlineDataJSON, "data", data)
+									}
+
+									imagePartJSON := `{}`
+									imagePartJSON, _ = sjson.SetRaw(imagePartJSON, "inlineData", inlineDataJSON)
+									imagePartsJSON := "[]"
+									imagePartsJSON, _ = sjson.SetRaw(imagePartsJSON, "-1", imagePartJSON)
+									functionResponseJSON, _ = sjson.SetRaw(functionResponseJSON, "parts", imagePartsJSON)
+									functionResponseJSON, _ = sjson.Set(functionResponseJSON, "response.result", "")
+								} else {
+									functionResponseJSON, _ = sjson.SetRaw(functionResponseJSON, "response.result", functionResponseResult.Raw)
+								}
 							} else if functionResponseResult.Raw != "" {
 								functionResponseJSON, _ = sjson.SetRaw(functionResponseJSON, "response.result", functionResponseResult.Raw)
 							} else {
@@ -248,7 +299,7 @@ func ConvertClaudeRequestToAntigravity(modelName string, inputRawJSON []byte, _
 						if sourceResult.Get("type").String() == "base64" {
 							inlineDataJSON := `{}`
 							if mimeType := sourceResult.Get("media_type").String(); mimeType != "" {
-								inlineDataJSON, _ = sjson.Set(inlineDataJSON, "mime_type", mimeType)
+								inlineDataJSON, _ = sjson.Set(inlineDataJSON, "mimeType", mimeType)
 							}
 							if data := sourceResult.Get("data").String(); data != "" {
 								inlineDataJSON, _ = sjson.Set(inlineDataJSON, "data", data)

internal/translator/antigravity/claude/antigravity_claude_request_test.go

@@ -413,8 +413,8 @@ func TestConvertClaudeRequestToAntigravity_ImageContent(t *testing.T) {
 	if !inlineData.Exists() {
 		t.Error("inlineData should exist")
 	}
-	if inlineData.Get("mime_type").String() != "image/png" {
-		t.Error("mime_type mismatch")
+	if inlineData.Get("mimeType").String() != "image/png" {
+		t.Error("mimeType mismatch")
 	}
 	if !strings.Contains(inlineData.Get("data").String(), "iVBORw0KGgo") {
 		t.Error("data mismatch")
@@ -740,6 +740,429 @@ func TestConvertClaudeRequestToAntigravity_ToolResultNullContent(t *testing.T) {
 	}
 }
 
+func TestConvertClaudeRequestToAntigravity_ToolResultWithImage(t *testing.T) {
+	// tool_result with array content containing text + image should place
+	// image data inside functionResponse.parts as inlineData, not as a
+	// sibling part in the outer content (to avoid base64 context bloat).
+	inputJSON := []byte(`{
+		"model": "claude-3-5-sonnet-20240620",
+		"messages": [
+			{
+				"role": "user",
+				"content": [
+					{
+						"type": "tool_result",
+						"tool_use_id": "Read-123-456",
+						"content": [
+							{
+								"type": "text",
+								"text": "File content here"
+							},
+							{
+								"type": "image",
+								"source": {
+									"type": "base64",
+									"media_type": "image/png",
+									"data": "iVBORw0KGgoAAAANSUhEUg=="
+								}
+							}
+						]
+					}
+				]
+			}
+		]
+	}`)
+
+	output := ConvertClaudeRequestToAntigravity("claude-sonnet-4-5", inputJSON, false)
+	outputStr := string(output)
+
+	if !gjson.Valid(outputStr) {
+		t.Fatalf("Result is not valid JSON:\n%s", outputStr)
+	}
+
+	// Image should be inside functionResponse.parts, not as outer sibling part
+	funcResp := gjson.Get(outputStr, "request.contents.0.parts.0.functionResponse")
+	if !funcResp.Exists() {
+		t.Fatal("functionResponse should exist")
+	}
+
+	// Text content should be in response.result
+	resultText := funcResp.Get("response.result.text").String()
+	if resultText != "File content here" {
+		t.Errorf("Expected response.result.text = 'File content here', got '%s'", resultText)
+	}
+
+	// Image should be in functionResponse.parts[0].inlineData
+	inlineData := funcResp.Get("parts.0.inlineData")
+	if !inlineData.Exists() {
+		t.Fatal("functionResponse.parts[0].inlineData should exist")
+	}
+	if inlineData.Get("mimeType").String() != "image/png" {
+		t.Errorf("Expected mimeType 'image/png', got '%s'", inlineData.Get("mimeType").String())
+	}
+	if !strings.Contains(inlineData.Get("data").String(), "iVBORw0KGgo") {
+		t.Error("data mismatch")
+	}
+
+	// Image should NOT be in outer parts (only functionResponse part should exist)
+	outerParts := gjson.Get(outputStr, "request.contents.0.parts")
+	if outerParts.IsArray() && len(outerParts.Array()) > 1 {
+		t.Errorf("Expected only 1 outer part (functionResponse), got %d", len(outerParts.Array()))
+	}
+}
+
+func TestConvertClaudeRequestToAntigravity_ToolResultWithSingleImage(t *testing.T) {
+	// tool_result with single image object as content should place
+	// image data inside functionResponse.parts, not as outer sibling part.
+	inputJSON := []byte(`{
+		"model": "claude-3-5-sonnet-20240620",
+		"messages": [
+			{
+				"role": "user",
+				"content": [
+					{
+						"type": "tool_result",
+						"tool_use_id": "Read-789-012",
+						"content": {
+							"type": "image",
+							"source": {
+								"type": "base64",
+								"media_type": "image/jpeg",
+								"data": "/9j/4AAQSkZJRgABAQ=="
+							}
+						}
+					}
+				]
+			}
+		]
+	}`)
+
+	output := ConvertClaudeRequestToAntigravity("claude-sonnet-4-5", inputJSON, false)
+	outputStr := string(output)
+
+	if !gjson.Valid(outputStr) {
+		t.Fatalf("Result is not valid JSON:\n%s", outputStr)
+	}
+
+	funcResp := gjson.Get(outputStr, "request.contents.0.parts.0.functionResponse")
+	if !funcResp.Exists() {
+		t.Fatal("functionResponse should exist")
+	}
+
+	// response.result should be empty (image only)
+	if funcResp.Get("response.result").String() != "" {
+		t.Errorf("Expected empty response.result for image-only content, got '%s'", funcResp.Get("response.result").String())
+	}
+
+	// Image should be in functionResponse.parts[0].inlineData
+	inlineData := funcResp.Get("parts.0.inlineData")
+	if !inlineData.Exists() {
+		t.Fatal("functionResponse.parts[0].inlineData should exist")
+	}
+	if inlineData.Get("mimeType").String() != "image/jpeg" {
+		t.Errorf("Expected mimeType 'image/jpeg', got '%s'", inlineData.Get("mimeType").String())
+	}
+
+	// Image should NOT be in outer parts
+	outerParts := gjson.Get(outputStr, "request.contents.0.parts")
+	if outerParts.IsArray() && len(outerParts.Array()) > 1 {
+		t.Errorf("Expected only 1 outer part, got %d", len(outerParts.Array()))
+	}
+}
+
+func TestConvertClaudeRequestToAntigravity_ToolResultWithMultipleImagesAndTexts(t *testing.T) {
+	// tool_result with array content: 2 text items + 2 images
+	// All images go into functionResponse.parts, texts into response.result array
+	inputJSON := []byte(`{
+		"model": "claude-3-5-sonnet-20240620",
+		"messages": [
+			{
+				"role": "user",
+				"content": [
+					{
+						"type": "tool_result",
+						"tool_use_id": "Multi-001",
+						"content": [
+							{"type": "text", "text": "First text"},
+							{
+								"type": "image",
+								"source": {"type": "base64", "media_type": "image/png", "data": "AAAA"}
+							},
+							{"type": "text", "text": "Second text"},
+							{
+								"type": "image",
+								"source": {"type": "base64", "media_type": "image/jpeg", "data": "BBBB"}
+							}
+						]
+					}
+				]
+			}
+		]
+	}`)
+
+	output := ConvertClaudeRequestToAntigravity("claude-sonnet-4-5", inputJSON, false)
+	outputStr := string(output)
+
+	if !gjson.Valid(outputStr) {
+		t.Fatalf("Result is not valid JSON:\n%s", outputStr)
+	}
+
+	funcResp := gjson.Get(outputStr, "request.contents.0.parts.0.functionResponse")
+	if !funcResp.Exists() {
+		t.Fatal("functionResponse should exist")
+	}
+
+	// Multiple text items => response.result is an array
+	resultArr := funcResp.Get("response.result")
+	if !resultArr.IsArray() {
+		t.Fatalf("Expected response.result to be an array, got: %s", resultArr.Raw)
+	}
+	results := resultArr.Array()
+	if len(results) != 2 {
+		t.Fatalf("Expected 2 result items, got %d", len(results))
+	}
+
+	// Both images should be in functionResponse.parts
+	imgParts := funcResp.Get("parts").Array()
+	if len(imgParts) != 2 {
+		t.Fatalf("Expected 2 image parts in functionResponse.parts, got %d", len(imgParts))
+	}
+	if imgParts[0].Get("inlineData.mimeType").String() != "image/png" {
+		t.Errorf("Expected first image mimeType 'image/png', got '%s'", imgParts[0].Get("inlineData.mimeType").String())
+	}
+	if imgParts[0].Get("inlineData.data").String() != "AAAA" {
+		t.Errorf("Expected first image data 'AAAA', got '%s'", imgParts[0].Get("inlineData.data").String())
+	}
+	if imgParts[1].Get("inlineData.mimeType").String() != "image/jpeg" {
+		t.Errorf("Expected second image mimeType 'image/jpeg', got '%s'", imgParts[1].Get("inlineData.mimeType").String())
+	}
+	if imgParts[1].Get("inlineData.data").String() != "BBBB" {
+		t.Errorf("Expected second image data 'BBBB', got '%s'", imgParts[1].Get("inlineData.data").String())
+	}
+
+	// Only 1 outer part (the functionResponse itself)
+	outerParts := gjson.Get(outputStr, "request.contents.0.parts").Array()
+	if len(outerParts) != 1 {
+		t.Errorf("Expected 1 outer part, got %d", len(outerParts))
+	}
+}
+
+func TestConvertClaudeRequestToAntigravity_ToolResultWithOnlyMultipleImages(t *testing.T) {
+	// tool_result with only images (no text) — response.result should be empty string
+	inputJSON := []byte(`{
+		"model": "claude-3-5-sonnet-20240620",
+		"messages": [
+			{
+				"role": "user",
+				"content": [
+					{
+						"type": "tool_result",
+						"tool_use_id": "ImgOnly-001",
+						"content": [
+							{
+								"type": "image",
+								"source": {"type": "base64", "media_type": "image/png", "data": "PNG1"}
+							},
+							{
+								"type": "image",
+								"source": {"type": "base64", "media_type": "image/gif", "data": "GIF1"}
+							}
+						]
+					}
+				]
+			}
+		]
+	}`)
+
+	output := ConvertClaudeRequestToAntigravity("claude-sonnet-4-5", inputJSON, false)
+	outputStr := string(output)
+
+	if !gjson.Valid(outputStr) {
+		t.Fatalf("Result is not valid JSON:\n%s", outputStr)
+	}
+
+	funcResp := gjson.Get(outputStr, "request.contents.0.parts.0.functionResponse")
+	if !funcResp.Exists() {
+		t.Fatal("functionResponse should exist")
+	}
+
+	// No text => response.result should be empty string
+	if funcResp.Get("response.result").String() != "" {
+		t.Errorf("Expected empty response.result, got '%s'", funcResp.Get("response.result").String())
+	}
+
+	// Both images in functionResponse.parts
+	imgParts := funcResp.Get("parts").Array()
+	if len(imgParts) != 2 {
+		t.Fatalf("Expected 2 image parts, got %d", len(imgParts))
+	}
+	if imgParts[0].Get("inlineData.mimeType").String() != "image/png" {
+		t.Error("first image mimeType mismatch")
+	}
+	if imgParts[1].Get("inlineData.mimeType").String() != "image/gif" {
+		t.Error("second image mimeType mismatch")
+	}
+
+	// Only 1 outer part
+	outerParts := gjson.Get(outputStr, "request.contents.0.parts").Array()
+	if len(outerParts) != 1 {
+		t.Errorf("Expected 1 outer part, got %d", len(outerParts))
+	}
+}
+
+func TestConvertClaudeRequestToAntigravity_ToolResultImageNotBase64(t *testing.T) {
+	// image with source.type != "base64" should be treated as non-image (falls through)
+	inputJSON := []byte(`{
+		"model": "claude-3-5-sonnet-20240620",
+		"messages": [
+			{
+				"role": "user",
+				"content": [
+					{
+						"type": "tool_result",
+						"tool_use_id": "NotB64-001",
+						"content": [
+							{"type": "text", "text": "some output"},
+							{
+								"type": "image",
+								"source": {"type": "url", "url": "https://example.com/img.png"}
+							}
+						]
+					}
+				]
+			}
+		]
+	}`)
+
+	output := ConvertClaudeRequestToAntigravity("claude-sonnet-4-5", inputJSON, false)
+	outputStr := string(output)
+
+	if !gjson.Valid(outputStr) {
+		t.Fatalf("Result is not valid JSON:\n%s", outputStr)
+	}
+
+	funcResp := gjson.Get(outputStr, "request.contents.0.parts.0.functionResponse")
+	if !funcResp.Exists() {
+		t.Fatal("functionResponse should exist")
+	}
+
+	// Non-base64 image is treated as non-image, so it goes into the filtered results
+	// along with the text item. Since there are 2 non-image items, result is array.
+	resultArr := funcResp.Get("response.result")
+	if !resultArr.IsArray() {
+		t.Fatalf("Expected response.result to be an array (2 non-image items), got: %s", resultArr.Raw)
+	}
+	results := resultArr.Array()
+	if len(results) != 2 {
+		t.Fatalf("Expected 2 result items, got %d", len(results))
+	}
+
+	// No functionResponse.parts (no base64 images collected)
+	if funcResp.Get("parts").Exists() {
+		t.Error("functionResponse.parts should NOT exist when no base64 images")
+	}
+}
+
+func TestConvertClaudeRequestToAntigravity_ToolResultImageMissingData(t *testing.T) {
+	// image with source.type=base64 but missing data field
+	inputJSON := []byte(`{
+		"model": "claude-3-5-sonnet-20240620",
+		"messages": [
+			{
+				"role": "user",
+				"content": [
+					{
+						"type": "tool_result",
+						"tool_use_id": "NoData-001",
+						"content": [
+							{"type": "text", "text": "output"},
+							{
+								"type": "image",
+								"source": {"type": "base64", "media_type": "image/png"}
+							}
+						]
+					}
+				]
+			}
+		]
+	}`)
+
+	output := ConvertClaudeRequestToAntigravity("claude-sonnet-4-5", inputJSON, false)
+	outputStr := string(output)
+
+	if !gjson.Valid(outputStr) {
+		t.Fatalf("Result is not valid JSON:\n%s", outputStr)
+	}
+
+	funcResp := gjson.Get(outputStr, "request.contents.0.parts.0.functionResponse")
+	if !funcResp.Exists() {
+		t.Fatal("functionResponse should exist")
+	}
+
+	// The image is still classified as base64 image (type check passes),
+	// but data field is missing => inlineData has mimeType but no data
+	imgParts := funcResp.Get("parts").Array()
+	if len(imgParts) != 1 {
+		t.Fatalf("Expected 1 image part, got %d", len(imgParts))
+	}
+	if imgParts[0].Get("inlineData.mimeType").String() != "image/png" {
+		t.Error("mimeType should still be set")
+	}
+	if imgParts[0].Get("inlineData.data").Exists() {
+		t.Error("data should not exist when source.data is missing")
+	}
+}
+
+func TestConvertClaudeRequestToAntigravity_ToolResultImageMissingMediaType(t *testing.T) {
+	// image with source.type=base64 but missing media_type field
+	inputJSON := []byte(`{
+		"model": "claude-3-5-sonnet-20240620",
+		"messages": [
+			{
+				"role": "user",
+				"content": [
+					{
+						"type": "tool_result",
+						"tool_use_id": "NoMime-001",
+						"content": [
+							{"type": "text", "text": "output"},
+							{
+								"type": "image",
+								"source": {"type": "base64", "data": "AAAA"}
+							}
+						]
+					}
+				]
+			}
+		]
+	}`)
+
+	output := ConvertClaudeRequestToAntigravity("claude-sonnet-4-5", inputJSON, false)
+	outputStr := string(output)
+
+	if !gjson.Valid(outputStr) {
+		t.Fatalf("Result is not valid JSON:\n%s", outputStr)
+	}
+
+	funcResp := gjson.Get(outputStr, "request.contents.0.parts.0.functionResponse")
+	if !funcResp.Exists() {
+		t.Fatal("functionResponse should exist")
+	}
+
+	// The image is still classified as base64 image,
+	// but media_type is missing => inlineData has data but no mimeType
+	imgParts := funcResp.Get("parts").Array()
+	if len(imgParts) != 1 {
+		t.Fatalf("Expected 1 image part, got %d", len(imgParts))
+	}
+	if imgParts[0].Get("inlineData.mimeType").Exists() {
+		t.Error("mimeType should not exist when media_type is missing")
+	}
+	if imgParts[0].Get("inlineData.data").String() != "AAAA" {
+		t.Error("data should still be set")
+	}
+}
+
 func TestConvertClaudeRequestToAntigravity_ToolAndThinking_NoExistingSystem(t *testing.T) {
 	// When tools + thinking but no system instruction, should create one with hint
 	inputJSON := []byte(`{

internal/translator/antigravity/gemini/antigravity_gemini_request_test.go

@@ -93,3 +93,81 @@ func TestConvertGeminiRequestToAntigravity_ParallelFunctionCalls(t *testing.T) {
 		}
 	}
 }
+
+func TestFixCLIToolResponse_PreservesFunctionResponseParts(t *testing.T) {
+	// When functionResponse contains a "parts" field with inlineData (from Claude
+	// translator's image embedding), fixCLIToolResponse should preserve it as-is.
+	// parseFunctionResponseRaw returns response.Raw for valid JSON objects,
+	// so extra fields like "parts" survive the pipeline.
+	input := `{
+		"model": "claude-opus-4-6-thinking",
+		"request": {
+			"contents": [
+				{
+					"role": "model",
+					"parts": [
+						{
+							"functionCall": {"name": "screenshot", "args": {}}
+						}
+					]
+				},
+				{
+					"role": "function",
+					"parts": [
+						{
+							"functionResponse": {
+								"id": "tool-001",
+								"name": "screenshot",
+								"response": {"result": "Screenshot taken"},
+								"parts": [
+									{"inlineData": {"mimeType": "image/png", "data": "iVBOR"}}
+								]
+							}
+						}
+					]
+				}
+			]
+		}
+	}`
+
+	result, err := fixCLIToolResponse(input)
+	if err != nil {
+		t.Fatalf("fixCLIToolResponse failed: %v", err)
+	}
+
+	// Find the function response content (role=function)
+	contents := gjson.Get(result, "request.contents").Array()
+	var funcContent gjson.Result
+	for _, c := range contents {
+		if c.Get("role").String() == "function" {
+			funcContent = c
+			break
+		}
+	}
+	if !funcContent.Exists() {
+		t.Fatal("function role content should exist in output")
+	}
+
+	// The functionResponse should be preserved with its parts field
+	funcResp := funcContent.Get("parts.0.functionResponse")
+	if !funcResp.Exists() {
+		t.Fatal("functionResponse should exist in output")
+	}
+
+	// Verify the parts field with inlineData is preserved
+	inlineParts := funcResp.Get("parts").Array()
+	if len(inlineParts) != 1 {
+		t.Fatalf("Expected 1 inlineData part in functionResponse.parts, got %d", len(inlineParts))
+	}
+	if inlineParts[0].Get("inlineData.mimeType").String() != "image/png" {
+		t.Errorf("Expected mimeType 'image/png', got '%s'", inlineParts[0].Get("inlineData.mimeType").String())
+	}
+	if inlineParts[0].Get("inlineData.data").String() != "iVBOR" {
+		t.Errorf("Expected data 'iVBOR', got '%s'", inlineParts[0].Get("inlineData.data").String())
+	}
+
+	// Verify response.result is also preserved
+	if funcResp.Get("response.result").String() != "Screenshot taken" {
+		t.Errorf("Expected response.result 'Screenshot taken', got '%s'", funcResp.Get("response.result").String())
+	}
+}

internal/translator/antigravity/openai/chat-completions/antigravity_openai_request.go

@@ -187,7 +187,7 @@ func ConvertOpenAIRequestToAntigravity(modelName string, inputRawJSON []byte, _
 								if len(pieces) == 2 && len(pieces[1]) > 7 {
 									mime := pieces[0]
 									data := pieces[1][7:]
-									node, _ = sjson.SetBytes(node, "parts."+itoa(p)+".inlineData.mime_type", mime)
+									node, _ = sjson.SetBytes(node, "parts."+itoa(p)+".inlineData.mimeType", mime)
 									node, _ = sjson.SetBytes(node, "parts."+itoa(p)+".inlineData.data", data)
 									node, _ = sjson.SetBytes(node, "parts."+itoa(p)+".thoughtSignature", geminiCLIFunctionThoughtSignature)
 									p++
@@ -201,7 +201,7 @@ func ConvertOpenAIRequestToAntigravity(modelName string, inputRawJSON []byte, _
 								ext = sp[len(sp)-1]
 							}
 							if mimeType, ok := misc.MimeTypes[ext]; ok {
-								node, _ = sjson.SetBytes(node, "parts."+itoa(p)+".inlineData.mime_type", mimeType)
+								node, _ = sjson.SetBytes(node, "parts."+itoa(p)+".inlineData.mimeType", mimeType)
 								node, _ = sjson.SetBytes(node, "parts."+itoa(p)+".inlineData.data", fileData)
 								p++
 							} else {
@@ -235,7 +235,7 @@ func ConvertOpenAIRequestToAntigravity(modelName string, inputRawJSON []byte, _
 								if len(pieces) == 2 && len(pieces[1]) > 7 {
 									mime := pieces[0]
 									data := pieces[1][7:]
-									node, _ = sjson.SetBytes(node, "parts."+itoa(p)+".inlineData.mime_type", mime)
+									node, _ = sjson.SetBytes(node, "parts."+itoa(p)+".inlineData.mimeType", mime)
 									node, _ = sjson.SetBytes(node, "parts."+itoa(p)+".inlineData.data", data)
 									node, _ = sjson.SetBytes(node, "parts."+itoa(p)+".thoughtSignature", geminiCLIFunctionThoughtSignature)
 									p++

sdk/auth/github_copilot.go

@@ -86,6 +86,8 @@ func (a GitHubCopilotAuthenticator) Login(ctx context.Context, cfg *config.Confi
 	metadata := map[string]any{
 		"type":         "github-copilot",
 		"username":     authBundle.Username,
+		"email":        authBundle.Email,
+		"name":         authBundle.Name,
 		"access_token": authBundle.TokenData.AccessToken,
 		"token_type":   authBundle.TokenData.TokenType,
 		"scope":        authBundle.TokenData.Scope,
@@ -98,13 +100,18 @@ func (a GitHubCopilotAuthenticator) Login(ctx context.Context, cfg *config.Confi
 
 	fileName := fmt.Sprintf("github-copilot-%s.json", authBundle.Username)
 
+	label := authBundle.Email
+	if label == "" {
+		label = authBundle.Username
+	}
+
 	fmt.Printf("\nGitHub Copilot authentication successful for user: %s\n", authBundle.Username)
 
 	return &coreauth.Auth{
 		ID:       fileName,
 		Provider: a.Provider(),
 		FileName: fileName,
-		Label:    authBundle.Username,
+		Label:    label,
 		Storage:  tokenStorage,
 		Metadata: metadata,
 	}, nil

sdk/cliproxy/service.go

@@ -963,6 +963,9 @@ func (s *Service) registerModelsForAuth(a *coreauth.Auth) {
 			key = strings.ToLower(strings.TrimSpace(a.Provider))
 		}
 		GlobalModelRegistry().RegisterClient(a.ID, key, applyModelPrefixes(models, a.Prefix, s.cfg != nil && s.cfg.ForceModelPrefix))
+		if provider == "antigravity" {
+			s.backfillAntigravityModels(a, models)
+		}
 		return
 	}
 
@@ -1107,6 +1110,56 @@ func (s *Service) oauthExcludedModels(provider, authKind string) []string {
 	return cfg.OAuthExcludedModels[providerKey]
 }
 
+func (s *Service) backfillAntigravityModels(source *coreauth.Auth, primaryModels []*ModelInfo) {
+	if s == nil || s.coreManager == nil || len(primaryModels) == 0 {
+		return
+	}
+
+	sourceID := ""
+	if source != nil {
+		sourceID = strings.TrimSpace(source.ID)
+	}
+
+	reg := registry.GetGlobalRegistry()
+	for _, candidate := range s.coreManager.List() {
+		if candidate == nil || candidate.Disabled {
+			continue
+		}
+		candidateID := strings.TrimSpace(candidate.ID)
+		if candidateID == "" || candidateID == sourceID {
+			continue
+		}
+		if !strings.EqualFold(strings.TrimSpace(candidate.Provider), "antigravity") {
+			continue
+		}
+		if len(reg.GetModelsForClient(candidateID)) > 0 {
+			continue
+		}
+
+		authKind := strings.ToLower(strings.TrimSpace(candidate.Attributes["auth_kind"]))
+		if authKind == "" {
+			if kind, _ := candidate.AccountInfo(); strings.EqualFold(kind, "api_key") {
+				authKind = "apikey"
+			}
+		}
+		excluded := s.oauthExcludedModels("antigravity", authKind)
+		if candidate.Attributes != nil {
+			if val, ok := candidate.Attributes["excluded_models"]; ok && strings.TrimSpace(val) != "" {
+				excluded = strings.Split(val, ",")
+			}
+		}
+
+		models := applyExcludedModels(primaryModels, excluded)
+		models = applyOAuthModelAlias(s.cfg, "antigravity", authKind, models)
+		if len(models) == 0 {
+			continue
+		}
+
+		reg.RegisterClient(candidateID, "antigravity", applyModelPrefixes(models, candidate.Prefix, s.cfg != nil && s.cfg.ForceModelPrefix))
+		log.Debugf("antigravity models backfilled for auth %s using primary model list", candidateID)
+	}
+}
+
 func applyExcludedModels(models []*ModelInfo, excluded []string) []*ModelInfo {
 	if len(models) == 0 || len(excluded) == 0 {
 		return models

sdk/cliproxy/service_antigravity_backfill_test.go

@@ -0,0 +1,135 @@
+package cliproxy
+
+import (
+	"context"
+	"strings"
+	"testing"
+
+	"github.com/router-for-me/CLIProxyAPI/v6/internal/registry"
+	coreauth "github.com/router-for-me/CLIProxyAPI/v6/sdk/cliproxy/auth"
+	"github.com/router-for-me/CLIProxyAPI/v6/sdk/config"
+)
+
+func TestBackfillAntigravityModels_RegistersMissingAuth(t *testing.T) {
+	source := &coreauth.Auth{
+		ID:       "ag-backfill-source",
+		Provider: "antigravity",
+		Status:   coreauth.StatusActive,
+		Attributes: map[string]string{
+			"auth_kind": "oauth",
+		},
+	}
+	target := &coreauth.Auth{
+		ID:       "ag-backfill-target",
+		Provider: "antigravity",
+		Status:   coreauth.StatusActive,
+		Attributes: map[string]string{
+			"auth_kind": "oauth",
+		},
+	}
+
+	manager := coreauth.NewManager(nil, nil, nil)
+	if _, err := manager.Register(context.Background(), source); err != nil {
+		t.Fatalf("register source auth: %v", err)
+	}
+	if _, err := manager.Register(context.Background(), target); err != nil {
+		t.Fatalf("register target auth: %v", err)
+	}
+
+	service := &Service{
+		cfg:         &config.Config{},
+		coreManager: manager,
+	}
+
+	reg := registry.GetGlobalRegistry()
+	reg.UnregisterClient(source.ID)
+	reg.UnregisterClient(target.ID)
+	t.Cleanup(func() {
+		reg.UnregisterClient(source.ID)
+		reg.UnregisterClient(target.ID)
+	})
+
+	primary := []*ModelInfo{
+		{ID: "claude-sonnet-4-5"},
+		{ID: "gemini-2.5-pro"},
+	}
+	reg.RegisterClient(source.ID, "antigravity", primary)
+
+	service.backfillAntigravityModels(source, primary)
+
+	got := reg.GetModelsForClient(target.ID)
+	if len(got) != 2 {
+		t.Fatalf("expected target auth to be backfilled with 2 models, got %d", len(got))
+	}
+
+	ids := make(map[string]struct{}, len(got))
+	for _, model := range got {
+		if model == nil {
+			continue
+		}
+		ids[strings.ToLower(strings.TrimSpace(model.ID))] = struct{}{}
+	}
+	if _, ok := ids["claude-sonnet-4-5"]; !ok {
+		t.Fatal("expected backfilled model claude-sonnet-4-5")
+	}
+	if _, ok := ids["gemini-2.5-pro"]; !ok {
+		t.Fatal("expected backfilled model gemini-2.5-pro")
+	}
+}
+
+func TestBackfillAntigravityModels_RespectsExcludedModels(t *testing.T) {
+	source := &coreauth.Auth{
+		ID:       "ag-backfill-source-excluded",
+		Provider: "antigravity",
+		Status:   coreauth.StatusActive,
+		Attributes: map[string]string{
+			"auth_kind": "oauth",
+		},
+	}
+	target := &coreauth.Auth{
+		ID:       "ag-backfill-target-excluded",
+		Provider: "antigravity",
+		Status:   coreauth.StatusActive,
+		Attributes: map[string]string{
+			"auth_kind":       "oauth",
+			"excluded_models": "gemini-2.5-pro",
+		},
+	}
+
+	manager := coreauth.NewManager(nil, nil, nil)
+	if _, err := manager.Register(context.Background(), source); err != nil {
+		t.Fatalf("register source auth: %v", err)
+	}
+	if _, err := manager.Register(context.Background(), target); err != nil {
+		t.Fatalf("register target auth: %v", err)
+	}
+
+	service := &Service{
+		cfg:         &config.Config{},
+		coreManager: manager,
+	}
+
+	reg := registry.GetGlobalRegistry()
+	reg.UnregisterClient(source.ID)
+	reg.UnregisterClient(target.ID)
+	t.Cleanup(func() {
+		reg.UnregisterClient(source.ID)
+		reg.UnregisterClient(target.ID)
+	})
+
+	primary := []*ModelInfo{
+		{ID: "claude-sonnet-4-5"},
+		{ID: "gemini-2.5-pro"},
+	}
+	reg.RegisterClient(source.ID, "antigravity", primary)
+
+	service.backfillAntigravityModels(source, primary)
+
+	got := reg.GetModelsForClient(target.ID)
+	if len(got) != 1 {
+		t.Fatalf("expected 1 model after exclusion, got %d", len(got))
+	}
+	if got[0] == nil || !strings.EqualFold(strings.TrimSpace(got[0].ID), "claude-sonnet-4-5") {
+		t.Fatalf("expected remaining model %q, got %+v", "claude-sonnet-4-5", got[0])
+	}
+}