create_scenario

Create a scenario (what-if projection) within a twin, with its own timeline. The step size dt must be 1/N for a positive integer N (e.g. 1, 0.5, 0.25). Applied immediately and broadcast to connected users in real-time.

{"twin_id": "twin-uuid", "name": "Baseline", "start_time": 0, "end_time": 10, "dt": 1}

{"success": true, "operation_count": 1, "versions": [43]}