Phase 2

Base app architecture:

    Route groups for customer, staff and owner.
* Reusable design system with around 20 UI components.
* Complete Prisma schema.
* Authentication with email/password and Google.
* Role and permission model.
* Protected routes.
* Clean separation between features, services, components and shared utilities.

src/features/auth/schemas.ts

@@ -0,0 +1,28 @@
+import { z } from "zod";
+
+/**
+ * Single source of truth for auth form shapes — shared between the client
+ * form (react-hook-form + zodResolver) and the server action / Credentials
+ * `authorize()` callback, so validation never drifts between the two.
+ */
+
+export const signInSchema = z.object({
+  email: z.email("Enter a valid email address"),
+  password: z.string().min(1, "Password is required"),
+});
+export type SignInInput = z.infer<typeof signInSchema>;
+
+export const registerSchema = z
+  .object({
+    firstName: z.string().trim().min(1, "First name is required"),
+    lastName: z.string().trim().min(1, "Last name is required"),
+    email: z.email("Enter a valid email address"),
+    phone: z.string().trim().optional().or(z.literal("")),
+    password: z.string().min(8, "Password must be at least 8 characters"),
+    confirmPassword: z.string(),
+  })
+  .refine((data) => data.password === data.confirmPassword, {
+    message: "Passwords don't match",
+    path: ["confirmPassword"],
+  });
+export type RegisterInput = z.infer<typeof registerSchema>;