Preserve per-source pacing across queue jobs and add source pause

scraper/plugins/broker.js

@@ -89,11 +89,11 @@ async function pinnedFetch(value, options = {}) {
 }
 
 function createWeebHttp(options = {}) {
-  return new SlowHttp({ ...options, transport: pinnedFetch, validateUrl: validateWeebRequest });
+  return new SlowHttp({ ...options, gateKey: 'weebcentral', transport: pinnedFetch, validateUrl: validateWeebRequest });
 }
 
 function createHostHttp(sourceHost, options = {}) {
-  return new SlowHttp({ ...options, transport: pinnedFetch,
+  return new SlowHttp({ ...options, gateKey: sourceHost, transport: pinnedFetch,
     validateUrl: (value, requestOptions) => validateHostRequest(value, sourceHost, requestOptions) });
 }