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/routes/(protected)/admin/solfeggio-frequencies/+page.server.ts

@@ -0,0 +1,18 @@
+import type { PageServerLoad } from './$types';
+import { getModelConfig } from '$lib/svelte-admin/registry';
+import { loadRecords, upsertRecord, deleteRecord } from '$lib/svelte-admin/crud';
+
+const config = getModelConfig('solfeggio-frequencies')!;
+
+export const load: PageServerLoad = async ({ locals }) => {
+	return loadRecords(locals, config);
+};
+
+export const actions = {
+	upsert: async ({ request, locals }) => {
+		return upsertRecord(request, config, locals);
+	},
+	delete: async ({ request, locals }) => {
+		return deleteRecord(request, config, locals);
+	}
+};