## What & why
[Two sentences: the change, and the reason it exists.] Closes #[issue].

## Where to look hardest 👀
- **The risky bit:** [file/function — what's subtle about it]
- Mechanical/safe: [the bulk a reviewer can skim]

## Verified
- [ ] Tests: [added/updated — what they'd catch]
- [ ] Manual: [specific scenarios, incl. edges: empty/huge/concurrent]
- [ ] [Migration/flag] checked on [environment]

## Not confident about 🤔
- [The genuine doubt — where a second opinion is actually wanted]

## Rollout
Flag: [name/none] · Order: [migrate-then-deploy?] · Revert: [how]

## Visuals *(if UI)*
| Before | After |
|---|---|
