basic stracture and auth

in memory db :)

packages/shared/src/schemas/index.ts

@@ -0,0 +1,46 @@
+import { z } from 'zod'
+
+export const UserSchema = z.object({
+  id: z.string(),
+  email: z.string().email(),
+  firstName: z.string().min(1),
+  lastName: z.string().min(1),
+  role: z.enum(['admin', 'trainer', 'client']),
+  createdAt: z.date(),
+  updatedAt: z.date(),
+})
+
+export const ClientSchema = z.object({
+  id: z.string(),
+  userId: z.string(),
+  membershipType: z.enum(['basic', 'premium', 'vip']),
+  membershipStatus: z.enum(['active', 'inactive', 'suspended']),
+  joinDate: z.date(),
+  lastVisit: z.date().optional(),
+  emergencyContact: z.object({
+    name: z.string(),
+    phone: z.string(),
+    relationship: z.string(),
+  }),
+})
+
+export const PaymentSchema = z.object({
+  id: z.string(),
+  clientId: z.string(),
+  amount: z.number().positive(),
+  currency: z.string(),
+  status: z.enum(['pending', 'completed', 'failed', 'refunded']),
+  paymentMethod: z.enum(['cash', 'card', 'bank_transfer']),
+  dueDate: z.date(),
+  paidAt: z.date().optional(),
+  description: z.string(),
+})
+
+export const AttendanceSchema = z.object({
+  id: z.string(),
+  clientId: z.string(),
+  checkInTime: z.date(),
+  checkOutTime: z.date().optional(),
+  type: z.enum(['gym', 'class', 'personal_training']),
+  notes: z.string().optional(),
+})