- Add bio field to User model for judge/mentor profile descriptions
- Add bio step to onboarding wizard (optional step with 500 char limit)
- Enhance smart assignment to match judge bio against project description
- Uses keyword extraction and Jaccard-like similarity scoring
- Only applies if judge has a bio (no penalty for empty bio)
- Max 15 points for bio match on top of existing scoring
- Fix geographic distribution query to use round relation for programId
- Update score breakdown: tags (40), bio (15), workload (25), country (15)
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>