The app becomes a Rails 8 application; the Vue frontend moves to
app/frontend and is served through vite_rails.
- Without an account documents stay in the browser (IndexedDB). Sign-in
is by magic link or the 6-digit code from the same mail; afterwards
local documents can be uploaded into the account.
- Server documents (/d/<id>) with versioned saves and a single-editor
lock per browser tab; others see them read-only and follow by polling.
- Sharing via link (works without an account) and via e-mail invitation,
roles viewer/editor; the owner manages links and people.
- Store gains a read-only mode that blocks all content changes.
- Solid Queue, Cache and Cable share the one PostgreSQL database.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>