Library was listed in MANA_APPS (for the tier/branding registry) and had
a /library route, but it wasn't yet registered in the workbench app
registry — so users couldn't add it as a tile to their Workbench scene.
Adds:
- registerApp({ id: 'library', icon: Stack, … }) in app-registry/apps.ts
with a "+ Neuer Eintrag" context-menu action (emits the standard
mana:quick-action CustomEvent, ready to be listened to in ListView
once we want an in-workbench create flow).
- library → 'creative' entry in app-registry/categories.ts so it
appears in the Kreativ section of the app picker.
Only the list view is registered; the detail view still uses the
route-based pattern (/library/entry/[id]) and the route-level +page.svelte
wrapper. Migrating DetailView to the workbench ViewProps shape (params +
navigate + goBack) is deferred — the route works fine for now.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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