feat: add maxItems support to ebay scraper

packages/core/src/scrapers/ebay.ts

@@ -394,6 +394,7 @@ export default async function fetchEbayItems(
     keywords?: string[];
     buyItNowOnly?: boolean;
     canadaOnly?: boolean;
+    maxItems?: number;
   } | undefined,
   unstableMode: { hideUnstableResults: true },
 ): Promise<UnstableListingBuckets<EbayListingDetails>>;
@@ -408,6 +409,7 @@ export default async function fetchEbayItems(
     keywords?: string[];
     buyItNowOnly?: boolean;
     canadaOnly?: boolean;
+    maxItems?: number;
   },
   unstableMode?: UnstableListingModeOptions,
 ): Promise<EbayListingDetails[]>;
@@ -422,21 +424,12 @@ export default async function fetchEbayItems(
     keywords?: string[];
     buyItNowOnly?: boolean;
     canadaOnly?: boolean;
+    maxItems?: number;
   } = {},
   unstableMode: UnstableListingModeOptions = {},
 ) {
   const requestsPerSecond = REQUESTS_PER_SECOND > 0 ? REQUESTS_PER_SECOND : 1;
 
-  const finalizeResults = (
-    listings: EbayListingDetails[],
-  ): EbayListingDetails[] | UnstableListingBuckets<EbayListingDetails> => {
-    if (!unstableMode.hideUnstableResults) {
-      return listings;
-    }
-
-    return classifyUnstableListings(listings);
-  };
-
   const {
     minPrice = 0,
     maxPrice = Number.MAX_SAFE_INTEGER,
@@ -445,8 +438,22 @@ export default async function fetchEbayItems(
     keywords = [SEARCH_QUERY], // Default to search query if no keywords provided
     buyItNowOnly = true,
     canadaOnly = true,
+    maxItems,
   } = opts;
 
+  const finalizeResults = (
+    listings: EbayListingDetails[],
+  ): EbayListingDetails[] | UnstableListingBuckets<EbayListingDetails> => {
+    const limitedListings =
+      maxItems !== undefined ? listings.slice(0, maxItems) : listings;
+
+    if (!unstableMode.hideUnstableResults) {
+      return limitedListings;
+    }
+
+    return classifyUnstableListings(limitedListings);
+  };
+
   const cookies = await loadEbayCookies();
 
   // Build eBay search URL - use Canadian site, Buy It Now filter, and Canada-only preference