Save

Save session context and exit cleanly.

Steps

1. Review the conversation to understand what was worked on, decisions made, and what's next.

2. Write tmp/handoff.md (create tmp/ if needed):

# Handoff
**Date**: [today's date]
**Branch**: [current git branch, or "n/a"]
## Summary
[1-2 sentences: what we worked on this session]
## Decisions
- [key decisions made]
## Next