admin: Superforms + Zod validation, three-address-defaults schema, profiles toast fix

- Add Superforms + Zod 4 for all admin form validation
- Replace address isDefault with three separate boolean defaults (Mailing, Billing, Shipping)
- Update profiles page with three-checkbox address form and toast improvements
- Convert all admin page server actions to pass request directly to crud
- Export superFormErrorsToFieldErrors helper for profiles server actions
- Regenerate Prisma client for new schema fields

src/hooks.server.ts

@@ -1,18 +1,18 @@
-import { auth } from "$lib/auth";
-import { svelteKitHandler } from "better-auth/svelte-kit";
-import { building } from "$app/environment";
+import { auth } from '$lib/auth';
+import { svelteKitHandler } from 'better-auth/svelte-kit';
+import { building } from '$app/environment';
 
 export async function handle({ event, resolve }) {
-    // Fetch current session from Better Auth
-    const session = await auth.api.getSession({
-        headers: event.request.headers,
-    });
+	// Fetch current session from Better Auth
+	const session = await auth.api.getSession({
+		headers: event.request.headers
+	});
 
-    // Make session and user available on server
-    if (session) {
-        event.locals.session = session.session;
-        event.locals.user = session.user;
-    }
+	// Make session and user available on server
+	if (session) {
+		event.locals.session = session.session;
+		event.locals.user = session.user;
+	}
 
-    return svelteKitHandler({ event, resolve, auth, building });
-}
+	return svelteKitHandler({ event, resolve, auth, building });
+}