feat: api client, auth store, login, authed shell, data-table + CRUD kit

vite.config.ts

@@ -7,13 +7,15 @@ import viteReact from '@vitejs/plugin-react'
 import tailwindcss from '@tailwindcss/vite'
 import { nitro } from 'nitro/vite'
 
+// SPA mode: auth is Bearer-token client-side (localStorage), so route guards
+// and data fetching must not run during SSR.
 const config = defineConfig({
   resolve: { tsconfigPaths: true },
   plugins: [
     devtools(),
     nitro({ rollupConfig: { external: [/^@sentry\//] } }),
     tailwindcss(),
-    tanstackStart(),
+    tanstackStart({ spa: { enabled: true } }),
     viteReact(),
   ],
 })