the frontend has been failing to build since the cover was removed

Removing `chooseCover` cut the wrong span and left an orphan `});` behind. Bun's parser refused the
file, `rebuildFrontend()` failed at every boot, and the server went on serving the last bundle that
built — 14:23. Every plugin change after that reached the disk, was merged, was restarted, and never
reached a browser.

Which is why the template preview looked unfixed twice: the fix was live on the server and absent from
the page. The symptom of a failed frontend build is not an error anywhere a person looks — it is the
previous build, working perfectly, being wrong.

Also fixes a choice with `kind: null` — one that is not built yet — being filtered out by a list that
only knows about the kinds that are.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

web/sections/AddComponentDialog.tsx

@@ -130,7 +130,9 @@ export const AddComponentDialog = ({
       </DialogHeader>
 
       <div className="grid grid-cols-2 gap-2">
-        {CHOICES.filter((choice) => template || !SUBJECT_KINDS.includes(choice.kind)).map(
+        {/* `kind === null` is a choice that is not built yet — never a subject block, and it must not
+            be filtered out by a list that only knows about the ones that are. */}
+        {CHOICES.filter((choice) => template || choice.kind === null || !SUBJECT_KINDS.includes(choice.kind)).map(
           ({ kind, label, hint, Icon }) => (
           <button
             key={label}

web/sections/CollectionsPanel.tsx

@@ -176,9 +176,6 @@ export const CollectionsPanel = () => {
       await clientRef.current.patch(`/fofos-admin/collections/${selected.id}`, { gallery_id: galleryId });
     });
 
-    });
-
-
   return (
     <div className="flex size-full min-h-0">
       <div className="flex w-64 shrink-0 flex-col border-r border-border">