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

app/shelter/layout.tsx

@@ -0,0 +1,46 @@
+import type { Metadata } from 'next';
+import Link from 'next/link';
+import { PawPrint, Home } from 'lucide-react';
+
+export const metadata: Metadata = {
+  title: 'Painel do Canil | PawLink',
+  description: 'Área de gestão do canil na plataforma PawLink.',
+};
+
+export default function ShelterLayout({ children }: { children: React.ReactNode }) {
+  return (
+    <div style={{ minHeight: '100dvh', display: 'flex', flexDirection: 'column', background: 'var(--cream)' }}>
+      {/* Header do painel */}
+      <header
+        style={{
+          height:          '60px',
+          display:         'flex',
+          alignItems:      'center',
+          justifyContent:  'space-between',
+          padding:         '0 var(--space-5)',
+          background:      'var(--linen)',
+          borderBottom:    '1px solid var(--parchment)',
+          position:        'sticky',
+          top:             0,
+          zIndex:          50,
+        }}
+      >
+        <Link href="/shelter/dashboard" style={{ display: 'flex', alignItems: 'center', gap: '8px', textDecoration: 'none' }}>
+          <PawPrint size={20} style={{ color: 'var(--terra)' }} />
+          <span style={{ fontFamily: 'var(--font-display)', fontStyle: 'italic', fontWeight: 700, fontSize: '17px', color: 'var(--terra)' }}>
+            PawLink Canil
+          </span>
+        </Link>
+        <Link
+          href="/"
+          style={{ display: 'flex', alignItems: 'center', gap: '6px', fontFamily: 'var(--font-body)', fontSize: '13px', color: 'var(--soil-mid)', textDecoration: 'none' }}
+        >
+          <Home size={14} />
+          Site público
+        </Link>
+      </header>
+
+      <main style={{ flex: 1 }}>{children}</main>
+    </div>
+  );
+}