aisman

Session 75, Step 2: Info-color labels, fresh note rework, issue-ref links, workflow tab guard suppression, Done/Cancelled popup rules, input file .md format, MRU single-render
- Apply info-color to IMPLEMENTED BY AI label, note left border, and issue thick left border
- Change 'fresh' concept from age-based to last-note-based
- Auto-add issue reference as LinkType 7 when saving markdown
- Suppress tab switch guard and navigate to Workflow > Process output when s4Tasks exist
- Remove confirm popup for Done/Cancelled button clicks; keep for D/C shortcuts and Removed menu item
- AIM-1126 Write input file to .aisman/inputs/ from Start processing tasks button
- AIM-1127 Update aisman-instructions-template.md to create input files in direct sessions
- AIM-1128 Delete input file from .aisman/inputs/ when output is processed or ignored
- AIM-1134 Optimize MRU - update list item on click instead of full re-render
- AIM-1135 Remove MRU loads from GetInit endpoint; load only when tab visited