feat: add maxItems support to ebay scraper

packages/api-server/test/routes.test.ts

@@ -382,21 +382,20 @@ describe("API routes", () => {
     expect(body.message).toBe("Search didn't return any results!");
   });
 
-  test("ebayRoute respects maxItems=0 in default mode", async () => {
+  test("ebayRoute forwards maxItems to core in default mode", async () => {
     const { ebayRoute } = await import("../src/routes/ebay");
 
     fetchEbayItems.mockImplementation(() =>
-      Promise.resolve([{ title: "a" }, { title: "b" }]),
+      Promise.resolve([{ title: "a" }]),
     );
 
-    const response = await ebayRoute(
+    await ebayRoute(
       new Request(
-        "http://localhost/api/ebay?q=laptop&maxItems=0",
+        "http://localhost/api/ebay?q=laptop&maxItems=2",
       ),
     );
 
-    const body = await response.json();
-    expect(body).toHaveLength(0);
+    expect(fetchEbayItems).toHaveBeenCalledWith("laptop", 1, expect.objectContaining({ maxItems: 2 }));
   });
 
   test("ebayRoute passes through scraper payload unchanged in unstable mode", async () => {
@@ -420,6 +419,30 @@ describe("API routes", () => {
     expect(body.unstableResults).toHaveLength(2);
     expect(body.results[0].title).toBe("a");
     expect(body.unstableResults[0].title).toBe("d");
+    expect(fetchEbayItems).toHaveBeenCalledWith("laptop", 1, expect.objectContaining({ maxItems: 4 }), {
+      hideUnstableResults: true,
+    });
+  });
+
+  test("ebayRoute forwards maxItems to core in unstable mode", async () => {
+    const { ebayRoute } = await import("../src/routes/ebay");
+
+    fetchEbayItems.mockImplementation(() =>
+      Promise.resolve({
+        results: [{ title: "a" }],
+        unstableResults: [{ title: "b" }],
+      }),
+    );
+
+    await ebayRoute(
+      new Request(
+        "http://localhost/api/ebay?q=laptop&unstableFilter=true&maxItems=2",
+      ),
+    );
+
+    expect(fetchEbayItems).toHaveBeenCalledWith("laptop", 1, expect.objectContaining({ maxItems: 2 }), {
+      hideUnstableResults: true,
+    });
   });
 
   test("ebayRoute returns 404 when unstable results are empty", async () => {