Pausing a watch stops the batch it's in the middle of

Pause only prevented the next check: the batch already running kept importing
its remaining models, which is the opposite of what the button suggests.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>

lib/collectionWatch.js

@@ -157,6 +157,9 @@ async function importFound(watch, collection) {
   let problem = null;
   const fresh = [];
   for (const design of todo) {
+    // Paused while this batch was running: stop, rather than import the rest.
+    const { rows: [live] } = await db.query('SELECT enabled FROM watched_collections WHERE id = $1', [watch.id]);
+    if (!live || !live.enabled) break;
     const url = makerworld.designUrl(design);
     try {
       const result = await deps.importFromUrl(url, { projects: watch.project_id ? [watch.project_id] : [] });