feat: sessão #3 — lib (db/auth/email/validations), API routes, NextAuth v5, middleware, páginas account/shelters/shelter-dashboard, Prisma v7 fix

lib/validations/donation.ts

@@ -0,0 +1,35 @@
+import { z } from 'zod';
+
+export const createDonationSchema = z.discriminatedUnion('type', [
+  z.object({
+    type:     z.literal('MONETARY'),
+    shelterId: z.string().cuid(),
+    details:  z.object({
+      amount:         z.number().min(1, 'Mínimo 1€.').max(10000),
+      currency:       z.literal('EUR').default('EUR'),
+      deliveryMethod: z.literal('payment'),
+    }),
+  }),
+  z.object({
+    type:     z.literal('FOOD'),
+    shelterId: z.string().cuid(),
+    details:  z.object({
+      foodType:       z.enum(['dry', 'wet']),
+      animalType:     z.enum(['dog', 'cat']),
+      ageGroup:       z.enum(['adult', 'puppy']),
+      deliveryMethod: z.enum(['pickup', 'home_delivery']),
+      address:        z.string().max(200).optional(),
+    }),
+  }),
+  z.object({
+    type:     z.literal('TOYS'),
+    shelterId: z.string().cuid(),
+    details:  z.object({
+      category:       z.enum(['chew', 'plush', 'interactive']),
+      deliveryMethod: z.enum(['pickup', 'home_delivery']),
+      address:        z.string().max(200).optional(),
+    }),
+  }),
+]);
+
+export type CreateDonationInput = z.infer<typeof createDonationSchema>;