Problem
Make model assumptions and evaluation boundaries visible beside the visualization.
System & architecture
Scenario controls → Deterministic model → Synthetic observations → Evaluation view
Data flow
Environment, system count, sensor visibility and network state alter the rendered model and its derived reachability summary.
Technologies
TypeScript, React, SVG; deterministic geometry.
Engineering constraints
This is an educational topology model, not a validated digital twin or vehicle simulator.
Testing
Control combinations are checked for deterministic outcomes, no invalid states and accessible labeling.
Results & status
A reproducible browser model with reset and explicit assumptions. No operational performance claim is made.