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

lib/auth/config.ts

@@ -0,0 +1,60 @@
+import NextAuth from 'next-auth';
+import Credentials from 'next-auth/providers/credentials';
+import { prisma } from '@/lib/db/prisma';
+import { verifyPassword } from '@/lib/auth/password';
+import { loginSchema } from '@/lib/validations/auth';
+
+export const { handlers, auth, signIn, signOut } = NextAuth({
+  providers: [
+    Credentials({
+      name: 'credentials',
+      credentials: {
+        email:    { label: 'Email',          type: 'email' },
+        password: { label: 'Palavra-passe',  type: 'password' },
+      },
+      async authorize(credentials) {
+        const parsed = loginSchema.safeParse(credentials);
+        if (!parsed.success) return null;
+
+        const { email, password } = parsed.data;
+
+        const user = await prisma.user.findUnique({ where: { email } });
+        if (!user) return null;
+
+        const valid = await verifyPassword(password, user.password);
+        if (!valid) return null;
+
+        return {
+          id:    user.id,
+          email: user.email,
+          name:  user.name,
+          role:  user.role,
+        };
+      },
+    }),
+  ],
+
+  callbacks: {
+    async jwt({ token, user }) {
+      if (user) {
+        token.id   = user.id;
+        token.role = (user as { role?: string }).role;
+      }
+      return token;
+    },
+    async session({ session, token }) {
+      if (token && session.user) {
+        session.user.id   = token.id as string;
+        (session.user as { role?: string }).role = token.role as string;
+      }
+      return session;
+    },
+  },
+
+  pages: {
+    signIn:  '/auth/login',
+    error:   '/auth/login',
+  },
+
+  session: { strategy: 'jwt' },
+});