Rebuild posterverse for the confirmed Bible Posters row

BUNDLE=posterverse vite build only. The tree is regenerated once on the merged
tree that also carries the bible-posters bundle (generate-tree refuses the new
composes ref until that bundle is present).

plugin-designs/posterverse/posterverse.meta.json

@@ -1,11 +1,12 @@
 {
-  "_comment": "Declares the composability tier. 'nested-mfe-spa' = capability 5: an app shell whose single element <posterverse-app> renders a vertical-tab rail of whole poster plugins, each mounted as its own real element from the manifest (no iframes). The tier is DERIVED from `composes` at tree generation (composing a cap-4 makes this cap-5) and this `type` is checked against it. `composes` lists every row in src/tabs.js whose bundle exists; a provisional row (bible-posters) joins the list in the SAME push as its bundle, since an unresolved ref fails check:capability-derived and a missing one fails check:posterverse-shelf.",
+  "_comment": "Declares the composability tier. 'nested-mfe-spa' = capability 5: an app shell whose single element <posterverse-app> renders a vertical-tab rail of whole poster plugins, each mounted as its own real element from the manifest (no iframes). The tier is DERIVED from `composes` at tree generation (composing a cap-4 makes this cap-5) and this `type` is checked against it. `composes` lists every row in src/tabs.js. A new row's ref joins this list in the SAME push as its bundle, since an unresolved ref fails check:capability-derived and a missing one fails check:posterverse-shelf.",
   "type": "nested-mfe-spa",
   "composes": [
     "my-upg-100-list/upg-100-mfe",
     "country-posters/country-posters-mfe",
     "poster-design/poster-design-mfe",
-    "wall-of-people-groups/wall-of-people-groups"
+    "wall-of-people-groups/wall-of-people-groups",
+    "bible-posters/bible-posters"
   ],
   "label": "Posterverse (vertical-tab app shell: every poster plugin)"
 }

plugin-designs/posterverse/src/tabs.js

@@ -10,10 +10,10 @@
  *   appears, whatever the manifest holds.
  *
  * ★ A ROW WHOSE BUNDLE IS NOT IN THE TREE IS PRUNED, not painted dead. That is how a row can be listed
- *   before its plugin lands: Bible Posters is declared with PROVISIONAL ids and stays invisible until a
- *   bundle of that id exists. Its owner confirms the ids; change the `bundle`/`profile` here to match,
- *   never the row `id` (the id is the stable key for ?tab= links). A provisional row's `composes` entry
- *   lands in the same push as its bundle (check:posterverse-shelf arm D).
+ *   before its plugin lands: mark it `provisional: true` and it stays invisible until a bundle of that id
+ *   exists. Its owner confirms the ids; change the `bundle`/`profile` here to match, never the row `id`
+ *   (the id is the stable key for ?tab= links). A new row's `composes` entry lands in the same push as
+ *   its bundle (check:posterverse-shelf arm D).
  *
  * ★ MOUNT THE COMPOSITE, NOT A LEAF. The profile named here is the one that mounts. my-upg-100-list and
  *   country-posters each ship a leaf map, a leaf wall and the capability-4 composite of the two; the
@@ -32,8 +32,7 @@ export const TABS = [
   { id: 'country-posters', section: 'posters', icon: 'map', bundle: 'country-posters', profile: 'country-posters-mfe' },
   { id: 'poster-design', section: 'posters', icon: 'poster', bundle: 'poster-design', profile: 'poster-design-mfe' },
   { id: 'wall-of-people-groups', section: 'experimental', icon: 'flask', bundle: 'wall-of-people-groups', profile: 'wall-of-people-groups' },
-  // Provisional ids: no bible-posters bundle exists yet, so this row is pruned until one does.
-  { id: 'bible-posters', section: 'experimental', icon: 'flask', bundle: 'bible-posters', profile: 'bible-posters', provisional: true },
+  { id: 'bible-posters', section: 'experimental', icon: 'flask', bundle: 'bible-posters', profile: 'bible-posters' },
 ]
 
 // Bundles that must never be a Posterverse row. The allow-list above already excludes them; this set