```json
{
  "title": "Friendlier greeting and add bye helper",
  "body": "## Summary\n\n- `greet()` now returns `Hello, <name>!` instead of the lowercase `hi <name>`\n- Added a `bye(name)` helper that returns `Bye, <name>`\n\n## Testing\n\n- Not run — no test suite or type-check configured in the repo for this single-file change\n\n*Model: claude-sonnet-5-5 · Harness: pi*"
}
```
