Fix login page build error - force dynamic rendering

The login page checks database for setup status, which fails during
static page generation at build time. Force dynamic rendering to
defer the check to runtime.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

src/app/(auth)/login/page.tsx

@@ -3,6 +3,9 @@ import { redirect } from 'next/navigation'
 import { isSetupRequired } from '@/lib/setup'
 import { LoginForm, LoginFormSkeleton } from './login-form'
 
+// Prevent static generation - requires database check at runtime
+export const dynamic = 'force-dynamic'
+
 export default async function LoginPage() {
   // Check if initial setup is required
   const setupRequired = await isSetupRequired()