{
  "model_type": "ppo_temporal",
  "version": "5.0",
  "name": "LACUNA",
  "description": "Cross-market data fusion RL agent for prediction market trading",

  "architecture": {
    "type": "asymmetric_actor_critic",
    "temporal_encoder": {
      "history_length": 5,
      "hidden_size": 128
    },
    "actor": {
      "hidden_layers": [256, 128],
      "activation": "tanh"
    },
    "critic": {
      "hidden_layers": [256, 128],
      "activation": "tanh"
    }
  },

  "observation_space": {
    "dimensions": 18,
    "features": [
      {"name": "return_1m", "category": "momentum"},
      {"name": "return_5m", "category": "momentum"},
      {"name": "return_10m", "category": "momentum"},
      {"name": "l1_imbalance", "category": "order_flow"},
      {"name": "l5_imbalance", "category": "order_flow"},
      {"name": "trade_flow", "category": "order_flow"},
      {"name": "cvd_acceleration", "category": "order_flow"},
      {"name": "spread_pct", "category": "microstructure"},
      {"name": "trade_intensity", "category": "microstructure"},
      {"name": "large_trade_flag", "category": "microstructure"},
      {"name": "vol_5m", "category": "volatility"},
      {"name": "vol_expansion", "category": "volatility"},
      {"name": "has_position", "category": "position"},
      {"name": "position_side", "category": "position"},
      {"name": "position_pnl", "category": "position"},
      {"name": "time_remaining", "category": "position"},
      {"name": "vol_regime", "category": "regime"},
      {"name": "trend_regime", "category": "regime"}
    ]
  },

  "action_space": {
    "type": "discrete",
    "actions": ["HOLD", "BUY_UP", "BUY_DOWN"]
  },

  "training": {
    "algorithm": "PPO",
    "entropy_coefficient": 0.10,
    "learning_rate": 0.0003,
    "gamma": 0.99,
    "gae_lambda": 0.95,
    "clip_range": 0.2,
    "n_epochs": 10,
    "batch_size": 64,
    "buffer_size": 2048
  },

  "constraints": {
    "position_size_usd": 500,
    "max_exposure_usd": 2000,
    "max_concurrent_positions": 4,
    "markets": ["BTC", "ETH", "SOL", "XRP"],
    "market_type": "15-minute crypto prediction"
  },

  "performance": {
    "total_pnl_usd": 50195,
    "return_on_exposure_pct": 2510,
    "sharpe_ratio": 4.13,
    "profit_factor": 1.21,
    "total_trades": 29176,
    "win_rate_pct": 23.9,
    "runtime_hours": 10
  }
}