Document findings

## Summary
Write up the findings from the first experiment in a clear, reproducible format.

## Success Criteria
- [ ] Experiment methodology documented
- [ ] Results clearly presented with tables/figures
- [ ] Key insights highlighted
- [ ] Limitations acknowledged
- [ ] Next steps proposed
- [ ] Document can stand alone (doesn't require reading issues)

## Document Structure
1. **Introduction**: Problem and approach recap
2. **Methodology**: Data, models, metrics, hardware
3. **Results**: Main findings with visualizations
4. **Analysis**: What worked, what didn't, why
5. **Limitations**: Known issues and caveats
6. **Next Steps**: What to try next

## Format
- Markdown in docs/experiments/
- Figures saved alongside
- Link to reproducible scripts

## Audience
- Future contributors to this project
- Anyone evaluating the approach
- Ourselves in 6 months when we forget details