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

prisma.config.ts

@@ -6,7 +6,8 @@ import { defineConfig } from 'prisma/config';
 export default defineConfig({
 	schema: 'prisma/schema.prisma',
 	migrations: {
-		path: 'prisma/migrations'
+		path: 'prisma/migrations',
+		seed: 'tsx prisma/seed.ts'
 	},
 	datasource: {
 		url: process.env['DATABASE_URL']