[COMPOSED] Write Strategic Roadmap

## Task
Create roadmap at `docs/business/ROADMAP.md`

**Conductor:** GCM | **Priority:** 3 | **Duration:** 60 min

## Content Required
- Week 1: Documentation complete, conductors online
- Month 1: Blue ocean research, patent CIP
- Quarter 1: External API, agent marketplace
- Mermaid Gantt chart

## Output
`docs/business/ROADMAP.md`