feat: enhance Keepa API integration with additional query parameters and improve test coverage

src/integrations/keepa.ts

@@ -57,11 +57,13 @@ function buildProductUrl(
   options?: {
     includeStats?: boolean;
     includeBuybox?: boolean;
+    includeHistory?: boolean;
     days?: number;
   },
 ): string {
   const includeStats = options?.includeStats ?? true;
   const includeBuybox = options?.includeBuybox ?? true;
+  const includeHistory = options?.includeHistory ?? true;
   const days = options?.days ?? 90;
 
   const params = new URLSearchParams({
@@ -78,6 +80,10 @@ function buildProductUrl(
     params.set("buybox", "1");
   }
 
+  if (!includeHistory) {
+    params.set("history", "0");
+  }
+
   params.set(queryParam, values.join(","));
   return `${KEEPA_BASE}/product?${params.toString()}`;
 }
@@ -242,7 +248,8 @@ export async function fetchKeepaDataBatch(
     const chunk = canonicalAsins.slice(i, i + MAX_ASINS_PER_REQUEST);
     const url = buildProductUrl("asin", chunk, {
       includeStats: true,
-      includeBuybox: true,
+      includeBuybox: false,
+      includeHistory: false,
       days: 90,
     });
 
@@ -302,6 +309,7 @@ export async function lookupKeepaUpcs(
     const url = buildProductUrl("code", chunk, {
       includeStats: false,
       includeBuybox: false,
+      includeHistory: false,
     });
 
     console.log(