- Update architecture.md with spawn service and auth proxy sections
- Update deployment.md with production stack details
- Update development.md with spawn workflow documentation
- Update mvp-scope.md, project-brief.md, tool-manifest-spec.md
- Update conversation-handoff.md with current status
- Replace all RunFusion references with OpenCode
- Add ToolManifest Pydantic models with validators for ports, mounts, health checks, and traefik config
- Implement in-memory ToolRegistry with YAML loading and built-in manifest scanning
- Add FastAPI CRUD routes for listing, retrieving, and creating tool manifests
- Include built-in manifests for runfusion and code-server
- Harden web Dockerfile with unprivileged nginx and port 8080
- Add tool manifest specification documentation and architecture updates
Fusion-Task-Id: FN-003