{
  "total_trades": 0,
  "wins": 0,
  "losses": 0,
  "win_rate": 0.0,
  "total_pnl": 0.0,
  "avg_score": 0.0,
  "signal_breakdown": {
    "EXP_LAG_MOM": {"trades": 0, "wins": 0},
    "EXP_LAG": {"trades": 0, "wins": 0},
    "EXP_MOM": {"trades": 0, "wins": 0},
    "EXP": {"trades": 0, "wins": 0},
    "LAG_MOM": {"trades": 0, "wins": 0},
    "LAG": {"trades": 0, "wins": 0}
  }
}