Headless Login 앱 타입 오표기 수정

backend/internal/handler/dev_handler.go

@@ -1646,6 +1646,10 @@ func (h *DevHandler) mapClientSummary(client domain.HydraClient) clientSummary {
 	clientType := "private"
 	if strings.EqualFold(client.TokenEndpointAuthMethod, "none") {
 		clientType = "pkce"
+	} else if strings.EqualFold(client.TokenEndpointAuthMethod, "private_key_jwt") && client.Metadata != nil {
+		if val, ok := client.Metadata["headless_login_enabled"].(bool); ok && val {
+			clientType = "pkce"
+		}
 	}
 
 	name := strings.TrimSpace(client.ClientName)