Tutorial Screenshot Updates

When working with tutorial screenshot review or updates, consult ai/docs/screenshot-update-workflow.md.

Quick Reference

ImageComparer location: pwiz_tools/Skyline/Executables/DevTools/ImageComparer/

Diff images saved to: ai\.tmp\{Tutorial}-{Locale}-s-{Number}-diff-{PixelCount}px.png

Key shortcuts: Ctrl+S save diff, Ctrl+Alt+C copy diff, F11 next diff, F12 revert

Decisions: Accept (valid change), Revert (restore original), Fix (BUG-XXX)