Live Mission Queue - Real-time display of all scheduled emails fetched from external server Automatic Two-Phase Scheduling - Missions automatically switch from Reminder to Overdue based on invoice due date Progress Tracking - See how many reminders/overdue emails have been sent for each invoice Next Send Calculation - System calculates and displays the next scheduled send time for each mission Status Indicators - Track mission lifecycle: Active, Completed, Cancelled, or Missed Invoice Linking - Quick access to invoice editor and client records from the missions list Pagination - Browse missions 20 per page for large email queues Multi-Currency Support - Amount Due displays with proper currency formatting when Multi-Currency plugin is active External Server Integration - Read-only view of