feat(tender-procurement): enhance tender procurement section with additional details

- Added functionality to trim and filter related TED notice publication IDs for better display.
- Introduced new fields for notice type code and main classification in the tender details.
- Updated the procurement section to conditionally render additional information, improving user experience and data visibility.

src/app/tenders/[details]/components/tender-procurement-section.tsx

@@ -13,7 +13,27 @@ type TenderProcurementSectionProps = {
   tender: TTenderDetails;
 };
 
+const TED_NOTICE_DETAIL = "https://ted.europa.eu/en/notice/-/detail";
+
+function uniqueTrimmedNoticeIds(ids: string[] | undefined): string[] {
+  if (!ids?.length) return [];
+  const seen = new Set<string>();
+  const out: string[] = [];
+  for (const id of ids) {
+    const trimmed = id?.trim();
+    if (!trimmed || seen.has(trimmed)) continue;
+    seen.add(trimmed);
+    out.push(trimmed);
+  }
+  return out;
+}
+
 export function TenderProcurementSection({ tender }: TenderProcurementSectionProps) {
+  const relatedNoticeIds = uniqueTrimmedNoticeIds(tender.related_notice_publication_ids);
+
+  const noticeTypeCode = tender.notice_type_code?.trim();
+  const mainClassification = tender.main_classification?.trim();
+
   return (
     <div
       id={TENDER_SECTION_IDS.procurement}
@@ -41,7 +61,7 @@ export function TenderProcurementSection({ tender }: TenderProcurementSectionPro
         <ShowcaseSection title="Notice publication ID" {...SHOWCASE_CENTERED_BODY}>
           <span className="font-medium text-primary underline-offset-4 hover:underline">
             <Link
-              href={`https://ted.europa.eu/en/notice/-/detail/${tender.notice_publication_id}`}
+              href={`${TED_NOTICE_DETAIL}/${tender.notice_publication_id}`}
               target="_blank"
               rel="noopener noreferrer"
             >
@@ -59,6 +79,48 @@ export function TenderProcurementSection({ tender }: TenderProcurementSectionPro
             {tender.procurement_type_code}
           </span>
         </ShowcaseSection>
+        {noticeTypeCode ? (
+          <ShowcaseSection title="Notice type code" {...SHOWCASE_CENTERED_BODY}>
+            <span className="font-medium text-dark dark:text-white">
+              {noticeTypeCode}
+            </span>
+          </ShowcaseSection>
+        ) : null}
+        {mainClassification ? (
+          <ShowcaseSection
+            title="Main classification (CPV)"
+            {...SHOWCASE_CENTERED_BODY}
+          >
+            <span className="font-medium text-dark dark:text-white">
+              {mainClassification}
+            </span>
+          </ShowcaseSection>
+        ) : null}
+        {relatedNoticeIds.length > 0 ? (
+          <ShowcaseSection
+            title="Related notice publications"
+            rootClassName={cn(
+              SHOWCASE_CENTERED_BODY.rootClassName,
+              "sm:col-span-2 xl:col-span-3 2xl:col-span-5",
+            )}
+            className="flex min-h-0 flex-1 flex-col items-stretch justify-center"
+          >
+            <ul className="flex flex-wrap justify-center gap-x-3 gap-y-2">
+              {relatedNoticeIds.map((noticeId) => (
+                <li key={noticeId}>
+                  <Link
+                    href={`${TED_NOTICE_DETAIL}/${noticeId}`}
+                    target="_blank"
+                    rel="noopener noreferrer"
+                    className="font-medium text-primary underline-offset-4 hover:underline"
+                  >
+                    {noticeId}
+                  </Link>
+                </li>
+              ))}
+            </ul>
+          </ShowcaseSection>
+        ) : null}
       </div>
     </div>
   );

src/lib/api/types/Tenders.ts

@@ -13,6 +13,12 @@ export const TenderSchema = z.object({
   duration_unit: z.string(),
   estimated_value: z.number(),
   notice_publication_id: z.string(),
+  /** Related TED notice publication IDs (e.g. modifications, same procedure). */
+  related_notice_publication_ids: z.array(z.string()).optional(),
+  /** TED form / notice type code (e.g. can-modif). */
+  notice_type_code: z.string().optional(),
+  /** Primary CPV classification code. */
+  main_classification: z.string().optional(),
   procedure_code: z.string(),
   procurement_type_code: z.string(),
   publication_date: z.number(),