v2.1: SWIA rebrand, bell-ringer + accounting email removal, House Standard split, domain self-signup, superadmin self-service

Add draft saving, user dashboard, and rename to Commission Agreement Intake Form

Fix producer emails link token and role badge highlighting

Fix admin panel auth, form title, commission data, and validation

Upload app/templates/base.html with huggingface_hub

Upload folder using huggingface_hub