fix(ci): align auth and payment verification tests

backend/internal/service/user_service.go

@@ -183,10 +183,6 @@ type UpsertUserAvatarInput struct {
 	SHA256          string
 }
 
-type userAuthIdentityReader interface {
-	ListUserAuthIdentities(ctx context.Context, userID int64) ([]UserAuthIdentityRecord, error)
-}
-
 type userProfileIdentityTxRunner interface {
 	WithUserProfileIdentityTx(ctx context.Context, fn func(txCtx context.Context) error) error
 }
@@ -812,17 +808,6 @@ func maskOpaqueIdentity(value string) string {
 	}
 }
 
-func cloneAnyMap(values map[string]any) map[string]any {
-	if len(values) == 0 {
-		return map[string]any{}
-	}
-	cloned := make(map[string]any, len(values))
-	for key, value := range values {
-		cloned[key] = value
-	}
-	return cloned
-}
-
 // ChangePassword 修改密码
 // Security: Increments TokenVersion to invalidate all existing JWT tokens
 func (s *UserService) ChangePassword(ctx context.Context, userID int64, req ChangePasswordRequest) error {