fix(api): preserve unstable buckets

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

@@ -1,8 +1,23 @@
 import { beforeEach, describe, expect, mock, test } from "bun:test";
 
-const fetchFacebookItems = mock(() => Promise.resolve([{ title: "item" }]));
-const fetchEbayItems = mock(() => Promise.resolve([{ title: "item" }]));
-const fetchKijijiItems = mock(() => Promise.resolve([{ title: "item" }]));
+const fetchFacebookItems = mock(
+  (): Promise<
+    | { title: string }[]
+    | { results: { title: string }[]; unstableResults: { title: string }[] }
+  > => Promise.resolve([{ title: "item" }]),
+);
+const fetchEbayItems = mock(
+  (): Promise<
+    | { title: string }[]
+    | { results: { title: string }[]; unstableResults: { title: string }[] }
+  > => Promise.resolve([{ title: "item" }]),
+);
+const fetchKijijiItems = mock(
+  (): Promise<
+    | { title: string }[]
+    | { results: { title: string }[]; unstableResults: { title: string }[] }
+  > => Promise.resolve([{ title: "item" }]),
+);
 
 mock.module("@marketplace-scrapers/core", () => ({
   fetchFacebookItems,
@@ -13,16 +28,19 @@ mock.module("@marketplace-scrapers/core", () => ({
 describe("API routes", () => {
   beforeEach(() => {
     fetchFacebookItems.mockReset();
-    fetchFacebookItems.mockImplementation(() =>
-      Promise.resolve([{ title: "item" }]),
+    fetchFacebookItems.mockImplementation(
+      () =>
+        Promise.resolve([{ title: "item" }]) as Promise<{ title: string }[]>,
     );
     fetchEbayItems.mockReset();
-    fetchEbayItems.mockImplementation(() =>
-      Promise.resolve([{ title: "item" }]),
+    fetchEbayItems.mockImplementation(
+      () =>
+        Promise.resolve([{ title: "item" }]) as Promise<{ title: string }[]>,
     );
     fetchKijijiItems.mockReset();
-    fetchKijijiItems.mockImplementation(() =>
-      Promise.resolve([{ title: "item" }]),
+    fetchKijijiItems.mockImplementation(
+      () =>
+        Promise.resolve([{ title: "item" }]) as Promise<{ title: string }[]>,
     );
   });