- Visual date picker with flatpickr in your language (no more typing in YYYY-MM-DD).
- Smart timeline: green "connected" indicator between banners, yellow "gap" notice, red "overlap" warning.
- Auto-fill: when creating a new banner, the start time is automatically set to +1 min after the previous one.
- "Create next banner" CTA after your last item — just click through.
- Banners are automatically sorted by start date; no more manual ordering.
- Group name, end date, and planning note can be edited directly from the overview.
- Active groups collapse into accordion rows for a cleaner overview.
- Banner expiry reminders now come at 7/4/1 days before end (instead of 14/7/1).