Smoke 20260411-085839: Append to test/smoke-20260411-085839-1.md

## Task

Append the line `wave 2 done` to `test/smoke-20260411-085839-1.md`.

## Acceptance Criteria

- [ ] File contains both 'smoke test 20260411-085839' and 'wave 2 done'

## Dependencies

- Depends on #119 (file must exist first)