Add pure routing, placement, point, and style libs plus map-system tests. Shipments gain a map relationship and routePath snapshot; ground vehicles route over the road network via Dijkstra while air and sea travel straight-line. Vehicle types declare a ground/air/sea transportMode and transit math works in meters.
Ultraworked with [Sisyphus](https://github.com/code-yeongyu/oh-my-openagent)
Co-authored-by: Sisyphus <clio-agent@sisyphuslabs.ai>
