feat: add group waitlist functionality

- Introduced GroupWaitlistEntry model in Prisma schema to manage waitlisted users for groups.
- Implemented API route to add users to the group waitlist with validation.
- Enhanced attendee creation logic to handle group capacity and waitlisting scenarios.
- Added new problem builders for handling waitlist-related errors.
- Updated frontend to support waitlist interactions, including modals for capacity warnings.
- Created tests for waitlist functionality, ensuring proper handling of full groups and existing waitlist entries.

packages/shared/src/schemas/waitlist.ts

@@ -28,4 +28,26 @@ export const WaitlistListSchema = z.object({
   data: z.array(WaitlistEntryDtoSchema),
   pagination: paginationSchema,
 });
-export type WaitlistList = z.output<typeof WaitlistListSchema>;
+export type WaitlistList = z.output<typeof WaitlistListSchema>;
+
+export const GroupWaitlistEntryDtoSchema = z.object({
+  id: z.string(),
+  groupId: z.string(),
+  fullName: z.string(),
+  phone: z.string(),
+  email: z.string().nullable(),
+  notes: z.string().nullable(),
+  status: waitlistStatusSchema,
+  createdAt: isoDateTimeSchema,
+  updatedAt: isoDateTimeSchema,
+});
+export type GroupWaitlistEntryDto = z.output<typeof GroupWaitlistEntryDtoSchema>;
+
+export const CreateGroupWaitlistEntrySchema = z.object({
+  firstName: z.string().trim().min(1, 'El nombre es obligatorio'),
+  lastName: z.string().trim().optional().default(''),
+  phone: z.string().trim().min(6, 'Ingresa un número de teléfono válido'),
+  email: z.string().trim().email('Email inválido').optional().or(z.literal('')),
+  notes: z.string().trim().optional(),
+});
+export type CreateGroupWaitlistEntry = z.output<typeof CreateGroupWaitlistEntrySchema>;