feat: configure and display public seller descriptions

apps/api/src/modules/listings/repositories/listing-repository.js

@@ -273,6 +273,7 @@ export function createListingRepository(db) {
         marketValueCurrency: override?.currency ?? valuation?.currency ?? null,
         marketValueUpdatedAt: override?.createdAt ?? valuation?.calculatedAt ?? null,
         sellerDisplayName: result.sellerDisplayName,
+        sellerDescription: result.sellerSettings?.general?.publicDescription || null,
         sellerContactEmail: result.sellerSettings?.general?.publicContactEmail ?? null,
         sellerContactPhone: result.sellerSettings?.general?.publicContactPhone ?? null,
       };

apps/api/src/modules/products/repositories/product-repository.js

@@ -47,6 +47,7 @@ export function createProductRepository(db) {
       return {
         ...result.product,
         sellerDisplayName: result.sellerDisplayName,
+        sellerDescription: result.sellerSettings?.general?.publicDescription || null,
         sellerContactEmail: result.sellerSettings?.general?.publicContactEmail ?? null,
         sellerContactPhone: result.sellerSettings?.general?.publicContactPhone ?? null,
       };