Fixed: #1747

feat(auth): add configurable max-retry-credentials for finer control over cross-credential retries

config.example.yaml

@@ -75,6 +75,10 @@ passthrough-headers: false
 # Number of times to retry a request. Retries will occur if the HTTP response code is 403, 408, 500, 502, 503, or 504.
 request-retry: 3
 
+# Maximum number of different credentials to try for one failed request.
+# Set to 0 to keep legacy behavior (try all available credentials).
+max-retry-credentials: 0
+
 # Maximum wait time in seconds for a cooled-down credential before triggering a retry.
 max-retry-interval: 30
 

internal/api/server.go

@@ -257,7 +257,7 @@ func NewServer(cfg *config.Config, authManager *auth.Manager, accessManager *sdk
 	s.oldConfigYaml, _ = yaml.Marshal(cfg)
 	s.applyAccessConfig(nil, cfg)
 	if authManager != nil {
-		authManager.SetRetryConfig(cfg.RequestRetry, time.Duration(cfg.MaxRetryInterval)*time.Second)
+		authManager.SetRetryConfig(cfg.RequestRetry, time.Duration(cfg.MaxRetryInterval)*time.Second, cfg.MaxRetryCredentials)
 	}
 	managementasset.SetCurrentConfig(cfg)
 	auth.SetQuotaCooldownDisabled(cfg.DisableCooling)
@@ -915,7 +915,7 @@ func (s *Server) UpdateClients(cfg *config.Config) {
 	}
 
 	if s.handlers != nil && s.handlers.AuthManager != nil {
-		s.handlers.AuthManager.SetRetryConfig(cfg.RequestRetry, time.Duration(cfg.MaxRetryInterval)*time.Second)
+		s.handlers.AuthManager.SetRetryConfig(cfg.RequestRetry, time.Duration(cfg.MaxRetryInterval)*time.Second, cfg.MaxRetryCredentials)
 	}
 
 	// Update log level dynamically when debug flag changes

internal/config/config.go

@@ -69,6 +69,9 @@ type Config struct {
 
 	// RequestRetry defines the retry times when the request failed.
 	RequestRetry int `yaml:"request-retry" json:"request-retry"`
+	// MaxRetryCredentials defines the maximum number of credentials to try for a failed request.
+	// Set to 0 or a negative value to keep trying all available credentials (legacy behavior).
+	MaxRetryCredentials int `yaml:"max-retry-credentials" json:"max-retry-credentials"`
 	// MaxRetryInterval defines the maximum wait time in seconds before retrying a cooled-down credential.
 	MaxRetryInterval int `yaml:"max-retry-interval" json:"max-retry-interval"`
 
@@ -609,6 +612,10 @@ func LoadConfigOptional(configFile string, optional bool) (*Config, error) {
 		cfg.ErrorLogsMaxFiles = 10
 	}
 
+	if cfg.MaxRetryCredentials < 0 {
+		cfg.MaxRetryCredentials = 0
+	}
+
 	// Sanitize Gemini API key configuration and migrate legacy entries.
 	cfg.SanitizeGeminiKeys()
 

internal/watcher/config_reload.go

@@ -127,7 +127,8 @@ func (w *Watcher) reloadConfig() bool {
 	}
 
 	authDirChanged := oldConfig == nil || oldConfig.AuthDir != newConfig.AuthDir
-	forceAuthRefresh := oldConfig != nil && (oldConfig.ForceModelPrefix != newConfig.ForceModelPrefix || !reflect.DeepEqual(oldConfig.OAuthModelAlias, newConfig.OAuthModelAlias))
+	retryConfigChanged := oldConfig != nil && (oldConfig.RequestRetry != newConfig.RequestRetry || oldConfig.MaxRetryInterval != newConfig.MaxRetryInterval || oldConfig.MaxRetryCredentials != newConfig.MaxRetryCredentials)
+	forceAuthRefresh := oldConfig != nil && (oldConfig.ForceModelPrefix != newConfig.ForceModelPrefix || !reflect.DeepEqual(oldConfig.OAuthModelAlias, newConfig.OAuthModelAlias) || retryConfigChanged)
 
 	log.Infof("config successfully reloaded, triggering client reload")
 	w.reloadClients(authDirChanged, affectedOAuthProviders, forceAuthRefresh)

internal/watcher/diff/config_diff.go

@@ -54,6 +54,9 @@ func BuildConfigChangeDetails(oldCfg, newCfg *config.Config) []string {
 	if oldCfg.RequestRetry != newCfg.RequestRetry {
 		changes = append(changes, fmt.Sprintf("request-retry: %d -> %d", oldCfg.RequestRetry, newCfg.RequestRetry))
 	}
+	if oldCfg.MaxRetryCredentials != newCfg.MaxRetryCredentials {
+		changes = append(changes, fmt.Sprintf("max-retry-credentials: %d -> %d", oldCfg.MaxRetryCredentials, newCfg.MaxRetryCredentials))
+	}
 	if oldCfg.MaxRetryInterval != newCfg.MaxRetryInterval {
 		changes = append(changes, fmt.Sprintf("max-retry-interval: %d -> %d", oldCfg.MaxRetryInterval, newCfg.MaxRetryInterval))
 	}

internal/watcher/diff/config_diff_test.go

@@ -223,6 +223,7 @@ func TestBuildConfigChangeDetails_FlagsAndKeys(t *testing.T) {
 		UsageStatisticsEnabled: false,
 		DisableCooling:         false,
 		RequestRetry:           1,
+		MaxRetryCredentials:    1,
 		MaxRetryInterval:       1,
 		WebsocketAuth:          false,
 		QuotaExceeded:          config.QuotaExceeded{SwitchProject: false, SwitchPreviewModel: false},
@@ -246,6 +247,7 @@ func TestBuildConfigChangeDetails_FlagsAndKeys(t *testing.T) {
 		UsageStatisticsEnabled: true,
 		DisableCooling:         true,
 		RequestRetry:           2,
+		MaxRetryCredentials:    3,
 		MaxRetryInterval:       3,
 		WebsocketAuth:          true,
 		QuotaExceeded:          config.QuotaExceeded{SwitchProject: true, SwitchPreviewModel: true},
@@ -283,6 +285,7 @@ func TestBuildConfigChangeDetails_FlagsAndKeys(t *testing.T) {
 	expectContains(t, details, "disable-cooling: false -> true")
 	expectContains(t, details, "request-log: false -> true")
 	expectContains(t, details, "request-retry: 1 -> 2")
+	expectContains(t, details, "max-retry-credentials: 1 -> 3")
 	expectContains(t, details, "max-retry-interval: 1 -> 3")
 	expectContains(t, details, "proxy-url: http://old-proxy -> http://new-proxy")
 	expectContains(t, details, "ws-auth: false -> true")
@@ -309,6 +312,7 @@ func TestBuildConfigChangeDetails_AllBranches(t *testing.T) {
 		UsageStatisticsEnabled: false,
 		DisableCooling:         false,
 		RequestRetry:           1,
+		MaxRetryCredentials:    1,
 		MaxRetryInterval:       1,
 		WebsocketAuth:          false,
 		QuotaExceeded:          config.QuotaExceeded{SwitchProject: false, SwitchPreviewModel: false},
@@ -361,6 +365,7 @@ func TestBuildConfigChangeDetails_AllBranches(t *testing.T) {
 		UsageStatisticsEnabled: true,
 		DisableCooling:         true,
 		RequestRetry:           2,
+		MaxRetryCredentials:    3,
 		MaxRetryInterval:       3,
 		WebsocketAuth:          true,
 		QuotaExceeded:          config.QuotaExceeded{SwitchProject: true, SwitchPreviewModel: true},
@@ -419,6 +424,7 @@ func TestBuildConfigChangeDetails_AllBranches(t *testing.T) {
 	expectContains(t, changes, "usage-statistics-enabled: false -> true")
 	expectContains(t, changes, "disable-cooling: false -> true")
 	expectContains(t, changes, "request-retry: 1 -> 2")
+	expectContains(t, changes, "max-retry-credentials: 1 -> 3")
 	expectContains(t, changes, "max-retry-interval: 1 -> 3")
 	expectContains(t, changes, "proxy-url: http://old-proxy -> http://new-proxy")
 	expectContains(t, changes, "ws-auth: false -> true")

internal/watcher/watcher_test.go

@@ -1239,6 +1239,67 @@ func TestReloadConfigFiltersAffectedOAuthProviders(t *testing.T) {
 	}
 }
 
+func TestReloadConfigTriggersCallbackForMaxRetryCredentialsChange(t *testing.T) {
+	tmpDir := t.TempDir()
+	authDir := filepath.Join(tmpDir, "auth")
+	if err := os.MkdirAll(authDir, 0o755); err != nil {
+		t.Fatalf("failed to create auth dir: %v", err)
+	}
+	configPath := filepath.Join(tmpDir, "config.yaml")
+
+	oldCfg := &config.Config{
+		AuthDir:             authDir,
+		MaxRetryCredentials: 0,
+		RequestRetry:        1,
+		MaxRetryInterval:    5,
+	}
+	newCfg := &config.Config{
+		AuthDir:             authDir,
+		MaxRetryCredentials: 2,
+		RequestRetry:        1,
+		MaxRetryInterval:    5,
+	}
+	data, errMarshal := yaml.Marshal(newCfg)
+	if errMarshal != nil {
+		t.Fatalf("failed to marshal config: %v", errMarshal)
+	}
+	if errWrite := os.WriteFile(configPath, data, 0o644); errWrite != nil {
+		t.Fatalf("failed to write config: %v", errWrite)
+	}
+
+	callbackCalls := 0
+	callbackMaxRetryCredentials := -1
+	w := &Watcher{
+		configPath:     configPath,
+		authDir:        authDir,
+		lastAuthHashes: make(map[string]string),
+		reloadCallback: func(cfg *config.Config) {
+			callbackCalls++
+			if cfg != nil {
+				callbackMaxRetryCredentials = cfg.MaxRetryCredentials
+			}
+		},
+	}
+	w.SetConfig(oldCfg)
+
+	if ok := w.reloadConfig(); !ok {
+		t.Fatal("expected reloadConfig to succeed")
+	}
+
+	if callbackCalls != 1 {
+		t.Fatalf("expected reload callback to be called once, got %d", callbackCalls)
+	}
+	if callbackMaxRetryCredentials != 2 {
+		t.Fatalf("expected callback MaxRetryCredentials=2, got %d", callbackMaxRetryCredentials)
+	}
+
+	w.clientsMutex.RLock()
+	defer w.clientsMutex.RUnlock()
+	if w.config == nil || w.config.MaxRetryCredentials != 2 {
+		t.Fatalf("expected watcher config MaxRetryCredentials=2, got %+v", w.config)
+	}
+}
+
 func TestStartFailsWhenAuthDirMissing(t *testing.T) {
 	tmpDir := t.TempDir()
 	configPath := filepath.Join(tmpDir, "config.yaml")

sdk/cliproxy/auth/conductor.go

@@ -138,8 +138,9 @@ type Manager struct {
 	providerOffsets map[string]int
 
 	// Retry controls request retry behavior.
-	requestRetry     atomic.Int32
+	requestRetry        atomic.Int32
-	maxRetryInterval atomic.Int64
+	maxRetryCredentials atomic.Int32
+	maxRetryInterval    atomic.Int64
 
 	// oauthModelAlias stores global OAuth model alias mappings (alias -> upstream name) keyed by channel.
 	oauthModelAlias atomic.Value
@@ -384,18 +385,22 @@ func compileAPIKeyModelAliasForModels[T interface {
 	}
 }
 
-// SetRetryConfig updates retry attempts and cooldown wait interval.
+// SetRetryConfig updates retry attempts, credential retry limit and cooldown wait interval.
-func (m *Manager) SetRetryConfig(retry int, maxRetryInterval time.Duration) {
+func (m *Manager) SetRetryConfig(retry int, maxRetryInterval time.Duration, maxRetryCredentials int) {
 	if m == nil {
 		return
 	}
 	if retry < 0 {
 		retry = 0
 	}
+	if maxRetryCredentials < 0 {
+		maxRetryCredentials = 0
+	}
 	if maxRetryInterval < 0 {
 		maxRetryInterval = 0
 	}
 	m.requestRetry.Store(int32(retry))
+	m.maxRetryCredentials.Store(int32(maxRetryCredentials))
 	m.maxRetryInterval.Store(maxRetryInterval.Nanoseconds())
 }
 
@@ -506,11 +511,11 @@ func (m *Manager) Execute(ctx context.Context, providers []string, req cliproxye
 		return cliproxyexecutor.Response{}, &Error{Code: "provider_not_found", Message: "no provider supplied"}
 	}
 
-	_, maxWait := m.retrySettings()
+	_, maxRetryCredentials, maxWait := m.retrySettings()
 
 	var lastErr error
 	for attempt := 0; ; attempt++ {
-		resp, errExec := m.executeMixedOnce(ctx, normalized, req, opts)
+		resp, errExec := m.executeMixedOnce(ctx, normalized, req, opts, maxRetryCredentials)
 		if errExec == nil {
 			return resp, nil
 		}
@@ -537,11 +542,11 @@ func (m *Manager) ExecuteCount(ctx context.Context, providers []string, req clip
 		return cliproxyexecutor.Response{}, &Error{Code: "provider_not_found", Message: "no provider supplied"}
 	}
 
-	_, maxWait := m.retrySettings()
+	_, maxRetryCredentials, maxWait := m.retrySettings()
 
 	var lastErr error
 	for attempt := 0; ; attempt++ {
-		resp, errExec := m.executeCountMixedOnce(ctx, normalized, req, opts)
+		resp, errExec := m.executeCountMixedOnce(ctx, normalized, req, opts, maxRetryCredentials)
 		if errExec == nil {
 			return resp, nil
 		}
@@ -568,11 +573,11 @@ func (m *Manager) ExecuteStream(ctx context.Context, providers []string, req cli
 		return nil, &Error{Code: "provider_not_found", Message: "no provider supplied"}
 	}
 
-	_, maxWait := m.retrySettings()
+	_, maxRetryCredentials, maxWait := m.retrySettings()
 
 	var lastErr error
 	for attempt := 0; ; attempt++ {
-		result, errStream := m.executeStreamMixedOnce(ctx, normalized, req, opts)
+		result, errStream := m.executeStreamMixedOnce(ctx, normalized, req, opts, maxRetryCredentials)
 		if errStream == nil {
 			return result, nil
 		}
@@ -591,7 +596,7 @@ func (m *Manager) ExecuteStream(ctx context.Context, providers []string, req cli
 	return nil, &Error{Code: "auth_not_found", Message: "no auth available"}
 }
 
-func (m *Manager) executeMixedOnce(ctx context.Context, providers []string, req cliproxyexecutor.Request, opts cliproxyexecutor.Options) (cliproxyexecutor.Response, error) {
+func (m *Manager) executeMixedOnce(ctx context.Context, providers []string, req cliproxyexecutor.Request, opts cliproxyexecutor.Options, maxRetryCredentials int) (cliproxyexecutor.Response, error) {
 	if len(providers) == 0 {
 		return cliproxyexecutor.Response{}, &Error{Code: "provider_not_found", Message: "no provider supplied"}
 	}
@@ -600,6 +605,12 @@ func (m *Manager) executeMixedOnce(ctx context.Context, providers []string, req
 	tried := make(map[string]struct{})
 	var lastErr error
 	for {
+		if maxRetryCredentials > 0 && len(tried) >= maxRetryCredentials {
+			if lastErr != nil {
+				return cliproxyexecutor.Response{}, lastErr
+			}
+			return cliproxyexecutor.Response{}, &Error{Code: "auth_not_found", Message: "no auth available"}
+		}
 		auth, executor, provider, errPick := m.pickNextMixed(ctx, providers, routeModel, opts, tried)
 		if errPick != nil {
 			if lastErr != nil {
@@ -647,7 +658,7 @@ func (m *Manager) executeMixedOnce(ctx context.Context, providers []string, req
 	}
 }
 
-func (m *Manager) executeCountMixedOnce(ctx context.Context, providers []string, req cliproxyexecutor.Request, opts cliproxyexecutor.Options) (cliproxyexecutor.Response, error) {
+func (m *Manager) executeCountMixedOnce(ctx context.Context, providers []string, req cliproxyexecutor.Request, opts cliproxyexecutor.Options, maxRetryCredentials int) (cliproxyexecutor.Response, error) {
 	if len(providers) == 0 {
 		return cliproxyexecutor.Response{}, &Error{Code: "provider_not_found", Message: "no provider supplied"}
 	}
@@ -656,6 +667,12 @@ func (m *Manager) executeCountMixedOnce(ctx context.Context, providers []string,
 	tried := make(map[string]struct{})
 	var lastErr error
 	for {
+		if maxRetryCredentials > 0 && len(tried) >= maxRetryCredentials {
+			if lastErr != nil {
+				return cliproxyexecutor.Response{}, lastErr
+			}
+			return cliproxyexecutor.Response{}, &Error{Code: "auth_not_found", Message: "no auth available"}
+		}
 		auth, executor, provider, errPick := m.pickNextMixed(ctx, providers, routeModel, opts, tried)
 		if errPick != nil {
 			if lastErr != nil {
@@ -703,7 +720,7 @@ func (m *Manager) executeCountMixedOnce(ctx context.Context, providers []string,
 	}
 }
 
-func (m *Manager) executeStreamMixedOnce(ctx context.Context, providers []string, req cliproxyexecutor.Request, opts cliproxyexecutor.Options) (*cliproxyexecutor.StreamResult, error) {
+func (m *Manager) executeStreamMixedOnce(ctx context.Context, providers []string, req cliproxyexecutor.Request, opts cliproxyexecutor.Options, maxRetryCredentials int) (*cliproxyexecutor.StreamResult, error) {
 	if len(providers) == 0 {
 		return nil, &Error{Code: "provider_not_found", Message: "no provider supplied"}
 	}
@@ -712,6 +729,12 @@ func (m *Manager) executeStreamMixedOnce(ctx context.Context, providers []string
 	tried := make(map[string]struct{})
 	var lastErr error
 	for {
+		if maxRetryCredentials > 0 && len(tried) >= maxRetryCredentials {
+			if lastErr != nil {
+				return nil, lastErr
+			}
+			return nil, &Error{Code: "auth_not_found", Message: "no auth available"}
+		}
 		auth, executor, provider, errPick := m.pickNextMixed(ctx, providers, routeModel, opts, tried)
 		if errPick != nil {
 			if lastErr != nil {
@@ -1108,11 +1131,11 @@ func (m *Manager) normalizeProviders(providers []string) []string {
 	return result
 }
 
-func (m *Manager) retrySettings() (int, time.Duration) {
+func (m *Manager) retrySettings() (int, int, time.Duration) {
 	if m == nil {
-		return 0, 0
+		return 0, 0, 0
 	}
-	return int(m.requestRetry.Load()), time.Duration(m.maxRetryInterval.Load())
+	return int(m.requestRetry.Load()), int(m.maxRetryCredentials.Load()), time.Duration(m.maxRetryInterval.Load())
 }
 
 func (m *Manager) closestCooldownWait(providers []string, model string, attempt int) (time.Duration, bool) {

sdk/cliproxy/auth/conductor_overrides_test.go

@@ -2,13 +2,17 @@ package auth
 
 import (
 	"context"
+	"net/http"
+	"sync"
 	"testing"
 	"time"
+
+	cliproxyexecutor "github.com/router-for-me/CLIProxyAPI/v6/sdk/cliproxy/executor"
 )
 
 func TestManager_ShouldRetryAfterError_RespectsAuthRequestRetryOverride(t *testing.T) {
 	m := NewManager(nil, nil, nil)
-	m.SetRetryConfig(3, 30*time.Second)
+	m.SetRetryConfig(3, 30*time.Second, 0)
 
 	model := "test-model"
 	next := time.Now().Add(5 * time.Second)
@@ -31,7 +35,7 @@ func TestManager_ShouldRetryAfterError_RespectsAuthRequestRetryOverride(t *testi
 		t.Fatalf("register auth: %v", errRegister)
 	}
 
-	_, maxWait := m.retrySettings()
+	_, _, maxWait := m.retrySettings()
 	wait, shouldRetry := m.shouldRetryAfterError(&Error{HTTPStatus: 500, Message: "boom"}, 0, []string{"claude"}, model, maxWait)
 	if shouldRetry {
 		t.Fatalf("expected shouldRetry=false for request_retry=0, got true (wait=%v)", wait)
@@ -56,6 +60,124 @@ func TestManager_ShouldRetryAfterError_RespectsAuthRequestRetryOverride(t *testi
 	}
 }
 
+type credentialRetryLimitExecutor struct {
+	id string
+
+	mu    sync.Mutex
+	calls int
+}
+
+func (e *credentialRetryLimitExecutor) Identifier() string {
+	return e.id
+}
+
+func (e *credentialRetryLimitExecutor) Execute(context.Context, *Auth, cliproxyexecutor.Request, cliproxyexecutor.Options) (cliproxyexecutor.Response, error) {
+	e.recordCall()
+	return cliproxyexecutor.Response{}, &Error{HTTPStatus: 500, Message: "boom"}
+}
+
+func (e *credentialRetryLimitExecutor) ExecuteStream(context.Context, *Auth, cliproxyexecutor.Request, cliproxyexecutor.Options) (*cliproxyexecutor.StreamResult, error) {
+	e.recordCall()
+	return nil, &Error{HTTPStatus: 500, Message: "boom"}
+}
+
+func (e *credentialRetryLimitExecutor) Refresh(_ context.Context, auth *Auth) (*Auth, error) {
+	return auth, nil
+}
+
+func (e *credentialRetryLimitExecutor) CountTokens(context.Context, *Auth, cliproxyexecutor.Request, cliproxyexecutor.Options) (cliproxyexecutor.Response, error) {
+	e.recordCall()
+	return cliproxyexecutor.Response{}, &Error{HTTPStatus: 500, Message: "boom"}
+}
+
+func (e *credentialRetryLimitExecutor) HttpRequest(context.Context, *Auth, *http.Request) (*http.Response, error) {
+	return nil, nil
+}
+
+func (e *credentialRetryLimitExecutor) recordCall() {
+	e.mu.Lock()
+	defer e.mu.Unlock()
+	e.calls++
+}
+
+func (e *credentialRetryLimitExecutor) Calls() int {
+	e.mu.Lock()
+	defer e.mu.Unlock()
+	return e.calls
+}
+
+func newCredentialRetryLimitTestManager(t *testing.T, maxRetryCredentials int) (*Manager, *credentialRetryLimitExecutor) {
+	t.Helper()
+
+	m := NewManager(nil, nil, nil)
+	m.SetRetryConfig(0, 0, maxRetryCredentials)
+
+	executor := &credentialRetryLimitExecutor{id: "claude"}
+	m.RegisterExecutor(executor)
+
+	auth1 := &Auth{ID: "auth-1", Provider: "claude"}
+	auth2 := &Auth{ID: "auth-2", Provider: "claude"}
+	if _, errRegister := m.Register(context.Background(), auth1); errRegister != nil {
+		t.Fatalf("register auth1: %v", errRegister)
+	}
+	if _, errRegister := m.Register(context.Background(), auth2); errRegister != nil {
+		t.Fatalf("register auth2: %v", errRegister)
+	}
+
+	return m, executor
+}
+
+func TestManager_MaxRetryCredentials_LimitsCrossCredentialRetries(t *testing.T) {
+	request := cliproxyexecutor.Request{Model: "test-model"}
+	testCases := []struct {
+		name   string
+		invoke func(*Manager) error
+	}{
+		{
+			name: "execute",
+			invoke: func(m *Manager) error {
+				_, errExecute := m.Execute(context.Background(), []string{"claude"}, request, cliproxyexecutor.Options{})
+				return errExecute
+			},
+		},
+		{
+			name: "execute_count",
+			invoke: func(m *Manager) error {
+				_, errExecute := m.ExecuteCount(context.Background(), []string{"claude"}, request, cliproxyexecutor.Options{})
+				return errExecute
+			},
+		},
+		{
+			name: "execute_stream",
+			invoke: func(m *Manager) error {
+				_, errExecute := m.ExecuteStream(context.Background(), []string{"claude"}, request, cliproxyexecutor.Options{})
+				return errExecute
+			},
+		},
+	}
+
+	for _, tc := range testCases {
+		tc := tc
+		t.Run(tc.name, func(t *testing.T) {
+			limitedManager, limitedExecutor := newCredentialRetryLimitTestManager(t, 1)
+			if errInvoke := tc.invoke(limitedManager); errInvoke == nil {
+				t.Fatalf("expected error for limited retry execution")
+			}
+			if calls := limitedExecutor.Calls(); calls != 1 {
+				t.Fatalf("expected 1 call with max-retry-credentials=1, got %d", calls)
+			}
+
+			unlimitedManager, unlimitedExecutor := newCredentialRetryLimitTestManager(t, 0)
+			if errInvoke := tc.invoke(unlimitedManager); errInvoke == nil {
+				t.Fatalf("expected error for unlimited retry execution")
+			}
+			if calls := unlimitedExecutor.Calls(); calls != 2 {
+				t.Fatalf("expected 2 calls with max-retry-credentials=0, got %d", calls)
+			}
+		})
+	}
+}
+
 func TestManager_MarkResult_RespectsAuthDisableCoolingOverride(t *testing.T) {
 	prev := quotaCooldownDisabled.Load()
 	quotaCooldownDisabled.Store(false)

sdk/cliproxy/service.go

@@ -336,7 +336,7 @@ func (s *Service) applyRetryConfig(cfg *config.Config) {
 		return
 	}
 	maxInterval := time.Duration(cfg.MaxRetryInterval) * time.Second
-	s.coreManager.SetRetryConfig(cfg.RequestRetry, maxInterval)
+	s.coreManager.SetRetryConfig(cfg.RequestRetry, maxInterval, cfg.MaxRetryCredentials)
 }
 
 func openAICompatInfoFromAuth(a *coreauth.Auth) (providerKey string, compatName string, ok bool) {