{
  "name": "Headless regression smoke",
  "scenarios": [{"scenario_id": "crossing-2a"}, {"scenario_id": "grid-8x8-4a"}],
  "defaults": {"max_steps": 40, "timeout_sec": 10, "recording_level": "metrics-only"},
  "matrix": {"solver_id": ["CBS", "Prioritized"], "setting": ["SETTING_1", "SETTING_2", "SETTING_3", "SETTING_4"]},
  "exclude": [],
  "budget": {"workers": 2, "wall_seconds": 120, "max_trials": 16, "disk_mb": 256, "threads_per_worker": 1},
  "sampling": {"population": "Two declared software regression fixtures only", "independent_unit": "scenario geometry and roster", "generalization": "none"}
}