{
  "backbone": {
    "hidden_dim": 1024,
    "kwargs": {
      "attention_bias": false,
      "head_dim": 128,
      "intermediate_size": 3072,
      "max_position_embeddings": 40960,
      "num_heads": 16,
      "num_key_value_heads": 8,
      "num_layers": 28,
      "rms_norm_eps": 1e-06,
      "use_sliding_window": false
    },
    "type": "qwen3"
  },
  "encoder": {
    "kwargs": {
      "extra_fields": [],
      "fourier_max": 10.0,
      "fourier_min": 0.01,
      "hidden_dim": 1024,
      "modalities": [
        {
          "field": "action",
          "required": true,
          "std": 0.02,
          "tokens": 1,
          "type": "discrete",
          "vocab_size": 4
        },
        {
          "field": "observation",
          "required": true,
          "std": 0.02,
          "tokens": 1,
          "type": "discrete",
          "vocab_size": 64
        },
        {
          "field": "reward",
          "required": true,
          "std": 0.02,
          "tokens": 1,
          "type": "fourier"
        },
        {
          "field": "done",
          "required": true,
          "std": 0.02,
          "tokens": 1,
          "type": "discrete",
          "vocab_size": 5
        }
      ],
      "std": 0.02
    },
    "type": "numeric"
  },
  "format": "mouse-core-model-v1",
  "heads": {
    "action_head": "action_value",
    "heads": [
      {
        "hidden_dim": 1024,
        "in_features": 1024,
        "name": "action_value",
        "num_layers": 1,
        "out_features": 4,
        "scale": 0.1,
        "type": "action_value",
        "use_norm": true
      }
    ]
  },
  "hidden_dim": 1024
}