fix: userId typing

internal/usecase/auth_service.go

@@ -131,9 +131,8 @@ func (s *authService) Authenticate(ctx context.Context, pubKey string, signature
 		return nil, fmt.Errorf("failed to create session: %w", err)
 	}
 
-	//FIXME: KYC level will be set to 1
 	claims := &jwt.UserClaims{
-		UserID:   uint(user.ID.ID()),
+		UserID:   user.ID.String(),
 		KYCLevel: int(user.KYCLevel),
 		Sections: []string{},
 	}
@@ -147,7 +146,7 @@ func (s *authService) Authenticate(ctx context.Context, pubKey string, signature
 
 	refreshExpiresAt := time.Now().Add(time.Duration(s.cfg.JWT.RefreshTokenExpMinutes) * time.Minute)
 	refreshClaims := &jwt.UserClaims{
-		UserID:   uint(user.ID.ID()),
+		UserID:   user.ID.String(),
 		KYCLevel: int(user.KYCLevel),
 		Sections: []string{"refresh"},
 	}

pkg/jwt/claims.go

@@ -4,7 +4,7 @@ import jwt2 "github.com/golang-jwt/jwt/v5"
 
 type UserClaims struct {
 	jwt2.RegisteredClaims
-	UserID   uint
+	UserID   string
 	KYCLevel int
 	Sections []string
 }