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/lib/generated/prisma/models/User.ts

@@ -213,7 +213,7 @@ export type UserGroupByOutputType = {
   _max: UserMaxAggregateOutputType | null
 }
 
-type GetUserGroupByPayload<T extends UserGroupByArgs> = Prisma.PrismaPromise<
+export type GetUserGroupByPayload<T extends UserGroupByArgs> = Prisma.PrismaPromise<
   Array<
     Prisma.PickEnumerable<UserGroupByOutputType, T['by']> &
       {
@@ -1883,6 +1883,11 @@ export type UserFindManyArgs<ExtArgs extends runtime.Types.Extensions.InternalAr
    * Skip the first `n` Users.
    */
   skip?: number
+  /**
+   * {@link https://www.prisma.io/docs/concepts/components/prisma-client/distinct Distinct Docs}
+   * 
+   * Filter by unique combinations of Users.
+   */
   distinct?: Prisma.UserScalarFieldEnum | Prisma.UserScalarFieldEnum[]
 }