Handle large WeebCentral catalogs and correct MangaPill checkpoint monitoring

scraper/test/queue-inspection.test.js

@@ -51,9 +51,10 @@ test('retry repairs a legacy URL-ID lookup before requeueing it', async () => {
   const item = await retry({ id: 'job', seriesId: '01J76XYFHVMSQVDJPQ42TN2XYN',
     title: '01J76XYFHVMSQVDJPQ42TN2XYN', metadataSearch: '01J76XYFHVMSQVDJPQ42TN2XYN',
     sourceTitle: 'The Exiled Heavy Knight Knows How to Game the System', source: 'weebcentral',
-    status: 'unavailable', error: 'AniList HTTP 404' });
+    status: 'unavailable', error: 'AniList HTTP 404', stallRecoveries: 1 });
   assert.equal(item.metadataSearch, item.sourceTitle);
   assert.equal(item.title, item.sourceTitle);
   assert.equal(item.status, 'queued');
   assert.equal(item.error, undefined);
+  assert.equal(item.stallRecoveries, 0);
 });