- Replace default Next.js home with role-aware root redirect - Add email/password login form (client component, signInWithPassword) - Add auth callback route for Supabase code exchange - Login page at /login, callback at /api/auth/callback Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01AWxyMibCuGGtSQSqfajDQ7