feat: Add required field indicator to node parameters

- Implemented visual indicator (*) for required node parameters
- Updated custom parameter title rendering to show required status
- Enhanced UI to provide clearer input requirements

src/frontend/src/CustomNodes/GenericNode/components/NodeDialogComponent/index.tsx

@@ -147,13 +147,15 @@ export const NodeDialog: React.FC<NodeDialogProps> = ({
         <div className="flex flex-col gap-5 overflow-y-auto px-5">
           {Object.entries(dialogTemplate).map(([fieldKey, fieldValue]) => (
             <div key={fieldKey}>
-              <div>
+              <div className="flex items-center gap-2">
                 {getCustomParameterTitle({
                   title:
                     (fieldValue as { display_name: string })?.display_name ??
                     "",
                   nodeId,
                   isFlexView: false,
+                  required:
+                    (fieldValue as { required: boolean })?.required ?? false,
                 })}
               </div>
               <ParameterRenderComponent

src/frontend/src/customization/components/custom-parameter.tsx

@@ -49,10 +49,12 @@ export function getCustomParameterTitle({
   title,
   nodeId,
   isFlexView,
+  required,
 }: {
   title: string;
   nodeId: string;
   isFlexView: boolean;
+  required: boolean;
 }) {
   return (
     <div className={cn(isFlexView && "max-w-56 truncate")}>
@@ -62,6 +64,7 @@ export function getCustomParameterTitle({
       >
         {title}
       </span>
+      {required && <span className="text-red-500">*</span>}
     </div>
   );
 }