aisman

Session 75, Step 3: Validation, UI fixes, chevrons, scroll sync, MRU optimization
- AIM-1168 Output file validation: convert 'Xm Ys' duration format to integer seconds
- AIM-1169 Cap implementation status at 3 when saving processed output file issues
- AIM-1170 Colorize ToDo/Finished/Not-started counters in AI session steps
- AIM-1171 Prevent scroll when Select/Deselect buttons clicked in Workflow > Select issues
- AIM-1172 Checkin message dialog: include all issues including those from processed files
- AIM-1173 Fix chevron icons direction and add slideUp/slideDown for collapsible list sections
- AIM-1174 Delete input file when cancelling step processing
- AIM-1175 Use existing issue render function for added issues in add-issue mode
- AIM-14 Markdown scroll sync between editor and preview
- AIM-1134 Optimize MRU - update list item on click instead of full re-render
- AIM-1163 Apply info-color to IMPLEMENTED BY AI label, note left border, and issue thick left border