Creates a session handoff document for resuming work later
Offer proactively when:
/save-sessiondocs/kb/sessions/YYYY-MM-DD_brief-description.md:# Session: [Brief Description]
**Date**: YYYY-MM-DD
**Status**: In Progress / Blocked / Ready for Review
## What We Were Working On
[Description]
## Decisions Made
- [Decision and rationale]
## Files Changed
- `path/to/file` — what changed
## Next Steps
1. [Next thing]
2. [Then this]
## Blockers
- [Any blockers]
## Resume Command
Continue from docs/kb/sessions/YYYY-MM-DD_brief-description.md