Color-Coded Urgency Icons and Signal Improvements

Added delete options for recurring Signal events (delete only this occurrence or all future occurrences)

Added site links to Subscriptions report for quick navigation

Added notifications for subscription created, phase changes, and pre-sold payment method needed

Improved urgency level icons with color-coded visuals for better user experience

Improved keyboard navigation for form entry when creating conversations, sites, and clients

Applied support policy condition filtering to Site Summary

Fixed dark mode policies skeleton color issue

Fixed contactCategory validation error in proposals list

Fixed missing rule name in activity feed for Scheduled Conversation Check executions