Scenario scenario.json: 14 nodes, 14 links, 7 populations.
Run, seed 1: evacuation time 157.4 s; 96 of 96 agents safe.
Monte Carlo, 5 runs, seed 1: q 0.5 155.7 s, q 0.95 157.38 s; 0 incomplete.
Wrote scenario_results/: summary.json, agents.csv, link_flow.csv, occupancy.csv, runs.csv
