v1.2.0

What's new

• Mobile-friendly UI - responsive layout and bottom navigation for phone browsers
• Per-user ledgers - optional Basic auth; each username gets their own book
• HTTPS only - Caddy reverse proxy on port 443 (no HTTP / no host port 3000)
• Auto TLS on first start - self-signed certs generated in the container; optional mkcert for trusted local HTTPS
• Logout - clears cached Basic auth credentials in the browser
• Setup scripts - scripts/setup.sh / setup.ps1 and improved setup-certs for Windows/Linux
• Architecture docs - ARCHITECTURE.md flowcharts for contributors and agents

Upgrade from v1.1.0

1. Pull latest and rebuild:

   git pull
   BOOKKING_VERSION=v1.2.0 docker compose pull app
   docker compose up -d --build