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/register/+page.svelte

@@ -23,7 +23,9 @@
 		{:else}
 			<div class="flex flex-col items-start justify-center">
 				{#if form?.error}
-					<div class="mb-4 w-full rounded-lg border border-red-200 bg-red-50 p-3 text-red-700 dark:border-gray-700 dark:bg-gray-800 dark:text-gray-300">
+					<div
+						class="mb-4 w-full rounded-lg border border-red-200 bg-red-50 p-3 text-red-700 dark:border-gray-700 dark:bg-gray-800 dark:text-gray-300"
+					>
 						{form.error}
 					</div>
 				{/if}
@@ -32,8 +34,16 @@
 					<input type="text" name="lastName" placeholder="Last Name" required class="mb-2" />
 					<input type="email" name="email" placeholder="Email Address" required class="mb-2" />
 					<input type="password" name="password" placeholder="Password" required class="mb-2" />
-					<input type="password" name="password2" placeholder="Verify Password" required class="mb-2" />
-					<button type="submit" class="mx-auto rounded-full bg-blue-600 px-6 py-2 text-white dark:bg-gray-700 dark:text-gray-100"
+					<input
+						type="password"
+						name="password2"
+						placeholder="Verify Password"
+						required
+						class="mb-2"
+					/>
+					<button
+						type="submit"
+						class="mx-auto rounded-full bg-blue-600 px-6 py-2 text-white dark:bg-gray-700 dark:text-gray-100"
 						>Submit</button
 					>
 				</form>