Consistent lists and calendars, sturdier everywhere

Another broad pass over the places where the order or content on screen could drift from your actual data.

• Fixed a sorting issue where a note or file you just saved could appear near the bottom of a list
• Fixed deadlines not showing on the calendar under certain conditions
• Fixed comments that could be deleted by a stray click
• Backup restore no longer stops entirely because of a few conflicting items — it now skips just those and continues
• Fixed AI chat losing conversation context or miscounting usage when an error occurred
• Fixed Google Calendar sync occasionally repeating the same work
• Also polished the home-screen widget and category display in the Android app (in development)
• Plus a number of additional stability and security improvements