{
  "models": {
    "constant_zero":  { "mode": "constant",   "params": {} },
    "normal_tiny":    { "mode": "normal",     "params": { "sigma": 0.01 } },
    "normal_med":     { "mode": "normal",     "params": { "sigma": 0.5 } },
    "linear_slow":    { "mode": "linear",     "params": { "k": 0.001 } },
    "linear_fast":    { "mode": "linear",     "params": { "k": 0.05 } },
    "sine_ecc1":      { "mode": "sine",       "params": { "A": 5.0, "omega": 0.314, "phi": 0 } },
    "sine_ecc2":      { "mode": "sine",       "params": { "A": 3.0, "omega": 0.628, "phi": 1.57 } },
    "spike_sharp":    { "mode": "spike",      "params": { "amplitude": 50,  "probability": 0.05 } },
    "spike_mild":     { "mode": "spike",      "params": { "amplitude": 10,  "probability": 0.15 } },
    "drift_slow":     { "mode": "drift",      "params": { "drift_rate": 0.0001 } },
    "drift_fast":     { "mode": "drift",      "params": { "drift_rate": 0.005 } },
    "toggle_2s":      { "mode": "bool_toggle", "params": { "period_ms": 2000 } },
    "toggle_5s":      { "mode": "bool_toggle", "params": { "period_ms": 5000 } },
    "toggle_10s":     { "mode": "bool_toggle", "params": { "period_ms": 10000 } },
    "valve_px_std":   { "mode": "valve_pair", "params": { "on_delay_ms": 200, "off_delay_ms": 150, "delay_jitter_ms": 20, "flash_prob": 0.02, "delay_over_prob": 0.0001, "delay_over_ms": 4000 } },
    "valve_px_fast":  { "mode": "valve_pair", "params": { "on_delay_ms": 80,  "off_delay_ms": 60,  "delay_jitter_ms": 10, "flash_prob": 0.01, "delay_over_prob": 0,       "delay_over_ms": 0 } }
  }
}