scenario: name: "smoke-10" seed: 42 duration_secs: 30 topology: num_nodes: 10 algorithm: random_geometric params: radius: 0.5 ensure_connected: true subnet: "172.20.0.0/24" ip_start: 10 # Phase 2+ features (disabled for MVP) netem: enabled: false link_flaps: enabled: false traffic: enabled: false logging: rust_log: "info" output_dir: "./sim-results"