feat: Complete Intelligence Library full CRUD + Fix Jumpstart error

Intelligence Library:
- Add full CRUD for Avatar Variants, Geo Intelligence, Spintax, Cartesian
- Create reusable DataTable, CRUDModal, DeleteConfirm components
- Add TanStack Table for advanced sorting/filtering/pagination
- Add React Hook Form + Zod for validated forms
- Add export, search, sort, filter capabilities

Jumpstart Fix:
- Fix 'Error: undefined' when creating generation jobs
- Store config instead of full inventory (1456 posts)
- Improve error logging
- Engine fetches posts directly from WordPress

All pages tested and ready for deployment.

frontend/package.json

@@ -22,6 +22,7 @@
     "@directus/sdk": "^17.0.0",
     "@dnd-kit/core": "^6.3.1",
     "@dnd-kit/sortable": "^10.0.0",
+    "@hookform/resolvers": "^5.2.2",
     "@nanostores/react": "^1.0.0",
     "@radix-ui/react-dialog": "^1.0.5",
     "@radix-ui/react-dropdown-menu": "^2.0.6",
@@ -31,6 +32,7 @@
     "@radix-ui/react-tabs": "^1.0.4",
     "@radix-ui/react-toast": "^1.1.5",
     "@tanstack/react-query": "^5.90.12",
+    "@tanstack/react-query-devtools": "^5.91.1",
     "@tanstack/react-table": "^8.21.3",
     "@tanstack/react-virtual": "^3.13.13",
     "@tiptap/extension-placeholder": "^3.13.0",