Paper review notes

# Review: <paper title>

## Summary in one paragraph
- What problem
- What approach
- Headline result

## Strengths
- Novelty
- Methods
- Writing

## Concerns
- Threats to validity
- Statistical rigour
- Missing comparisons

## Suggested revisions
- Major
- Minor

## Recommendation
- Accept / minor / major / reject
- Confidence (1-5)