{
  "schema_version": 1,
  "description": "Cache-off premium chat with and without a timed long-context burst.",
  "scenarios": [
    {
      "name": "premium_reference",
      "duration_s": 270,
      "analysis_windows": [
        {"name": "baseline", "start_s": 20, "end_s": 55},
        {"name": "burst", "start_s": 100, "end_s": 190},
        {"name": "recovery", "start_s": 230, "end_s": 260}
      ],
      "tenants": [
        {
          "fairness_id": "edge-premium-chat",
          "priority": 100,
          "objective": "flow-control-v090-premium",
          "input_tokens": 1024,
          "output_tokens": 128,
          "phases": [
            {"start_s": 0, "duration_s": 270, "rate_pattern": "noisy_sinusoidal", "rate_center": 8, "rate_amplitude": 1.5, "period_s": 37, "phase_offset": 0.0, "rate_noise": 0.4, "rate_spike_probability": 0.02}
          ]
        }
      ]
    },
    {
      "name": "premium_with_long_context_burst",
      "duration_s": 270,
      "analysis_windows": [
        {"name": "baseline", "start_s": 20, "end_s": 55},
        {"name": "burst", "start_s": 100, "end_s": 190},
        {"name": "recovery", "start_s": 230, "end_s": 260}
      ],
      "tenants": [
        {
          "fairness_id": "edge-premium-chat",
          "priority": 100,
          "objective": "flow-control-v090-premium",
          "input_tokens": 1024,
          "output_tokens": 128,
          "phases": [
            {"start_s": 0, "duration_s": 270, "rate_pattern": "noisy_sinusoidal", "rate_center": 8, "rate_amplitude": 1.5, "period_s": 37, "phase_offset": 0.0, "rate_noise": 0.4, "rate_spike_probability": 0.02}
          ]
        },
        {
          "fairness_id": "edge-standard-long-context",
          "priority": 0,
          "objective": "flow-control-v090-standard",
          "input_tokens": 20000,
          "output_tokens": 128,
          "phases": [
            {"start_s": 60, "duration_s": 150, "rate_pattern": "noisy_sinusoidal", "rate_center": 1.0, "rate_amplitude": 0.25, "period_s": 29, "phase_offset": 0.4, "rate_noise": 0.05, "rate_spike_probability": 0.02, "ramp_s": 8}
          ]
        }
      ]
    }
  ]
}