Split fee stats by leg and hide LIVE slip.

SIM shows perp/option fees and slip separately; LIVE keeps real exchange fees only with slip forced to zero.

Co-authored-by: Cursor <cursoragent@cursor.com>

backend/app/sim/pnl.py

@@ -5,13 +5,24 @@ from __future__ import annotations
 from typing import Any
 
 
+def _as_map(x: Any) -> dict[str, Any]:
+    if isinstance(x, dict):
+        return x
+    try:
+        return dict(x)
+    except Exception:
+        return {}
+
+
 def summarize_fills_pnl(fills: list[Any]) -> dict[str, float | None]:
     """
     价差盈亏按 fill_px；手续费另扣。
     净盈亏 = 期权盈亏 + 永续盈亏 − 全部手续费（开+平）。
     允许只有永续已平、期权尚未结算的半组。
+
+    手续费拆：fees_perp / fees_option；滑点合计 slip_total（SIM 记账；LIVE 应为 0）。
     """
-    rows = [dict(x) for x in fills]
+    rows = [_as_map(x) for x in fills]
     opt_open = next(
         (f for f in rows if f.get("leg") == "option" and f.get("action") == "open"),
         None,
@@ -45,7 +56,14 @@ def summarize_fills_pnl(fills: list[Any]) -> dict[str, float | None]:
         else:
             perp_pnl = (o - c) * qty
 
-    fees_total = sum(float(f.get("fee") or 0) for f in rows)
+    fees_perp = sum(
+        float(f.get("fee") or 0) for f in rows if str(f.get("leg") or "") == "perp"
+    )
+    fees_option = sum(
+        float(f.get("fee") or 0) for f in rows if str(f.get("leg") or "") == "option"
+    )
+    fees_total = fees_perp + fees_option
+    slip_total = sum(float(f.get("slip") or 0) for f in rows)
     gross = None
     net = None
     if option_pnl is not None and perp_pnl is not None:
@@ -61,7 +79,10 @@ def summarize_fills_pnl(fills: list[Any]) -> dict[str, float | None]:
     return {
         "option_pnl": option_pnl,
         "perp_pnl": perp_pnl,
+        "fees_perp": fees_perp,
+        "fees_option": fees_option,
         "fees_total": fees_total,
+        "slip_total": slip_total,
         "gross_pnl": gross,
         "net_pnl": net,
     }