- Add tenant_id field to AgentRegisterRequest schema
- Validate tenant exists during agent registration (returns 404 if not found)
- Update /tasks/next to filter tasks by agent's tenant_id
- Tenant-specific agents only see their tenant's tasks
- Shared agents (no tenant_id) can still claim any task
- Add ROADMAP.md tracking project progress
🤖 Generated with [Claude Code](https://claude.ai/code)
Co-Authored-By: Claude <noreply@anthropic.com>
