fix: addJobs always reads fresh from disk to prevent searcher clobbering filter scores

lib/queue.mjs

@@ -98,6 +98,8 @@ export function updateJobStatus(id, status, extra = {}) {
 }
 
 export function addJobs(newJobs) {
+  // Always read fresh from disk to avoid clobbering concurrent writes (e.g. filter scoring)
+  _queueCache = null;
   const queue = loadQueue();
   const existingIds = new Set(queue.map(j => j.id));
   const existingUrls = new Set(queue.map(j => j.url));