Calmer Contacts, Campaigns and Home screens

Improved

• Contacts has one Filters menu with removable chips, tabs with live counts, and compact single-line rows.
• Campaigns uses tab counts as the only totals, so the layout no longer jumps when you switch tabs. Row actions are one button plus a menu instead of six icons.
• Home has a slim header, no doubled delivery warnings, and a proper empty state before your first campaign.
• Every delete and stop action uses the same styled dialog instead of a browser popup.