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/send/+server.ts

@@ -2,11 +2,11 @@
  * AUTHOR: Neil Clack
  * EMAIL: nclack@radiantwavetech.com
  * DATE: 07/06/2027
- * 
+ *
  * An example endpoint, temporarily enabled, to describe
- * how to send an email with the Resend API and our custom 
+ * how to send an email with the Resend API and our custom
  * sendMail function.
- * 
+ *
  */
 
 import { json } from '@sveltejs/kit';
@@ -14,12 +14,12 @@ import { sendMail } from '$lib/server/resend';
 import type { RequestHandler } from './$types';
 
 export const POST: RequestHandler = async ({ request }) => {
-    const { to, subject, templateId, data } = await request.json();
+	const { to, subject, templateId, data } = await request.json();
 
-    try {
-        const result = await sendMail({ to, subject, templateId, data });
-        return json(result);
-    } catch (e) {
-        return json({ error: (e as Error).message }, { status: 400 });
-    }
-};
+	try {
+		const result = await sendMail({ to, subject, templateId, data });
+		return json(result);
+	} catch (e) {
+		return json({ error: (e as Error).message }, { status: 400 });
+	}
+};