Show strategy stats in control monitor detail modal.

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

backend/app/api/stats.py

@@ -1,6 +1,6 @@
 from __future__ import annotations
 
-from typing import Annotated
+from typing import Annotated, Any
 
 from fastapi import APIRouter, Depends
 
@@ -12,12 +12,12 @@ from .auth import require_user
 router = APIRouter(prefix="/api/stats", tags=["stats"])
 
 
-@router.get("/summary")
-async def stats_summary(_user: Annotated[str, Depends(require_user)]) -> dict:
-    db = get_db()
+def build_stats_summary(db: Any | None = None) -> dict[str, Any]:
+    """已平仓组汇总（策略页统计 / 中控 Fleet 共用）。"""
+    database = db or get_db()
     s = get_settings()
     mode = "LIVE" if not s.is_sim else "SIM"
-    rows = db.fetchall("SELECT * FROM groups WHERE status='closed'")
+    rows = database.fetchall("SELECT * FROM groups WHERE status='closed'")
     n = len(rows)
     wins = sum(1 for r in rows if float(r["realized_pnl"] or 0) > 0)
     total_pnl = sum(float(r["realized_pnl"] or 0) for r in rows)
@@ -26,7 +26,7 @@ async def stats_summary(_user: Annotated[str, Depends(require_user)]) -> dict:
     fees_option = 0.0
     total_slip = 0.0
     for r in rows:
-        fills = db.fetchall(
+        fills = database.fetchall(
             "SELECT * FROM fills WHERE group_id=? ORDER BY id ASC",
             (r["group_id"],),
         )
@@ -65,3 +65,8 @@ async def stats_summary(_user: Annotated[str, Depends(require_user)]) -> dict:
         "close_reasons": reasons,
         "equity_curve": curve,
     }
+
+
+@router.get("/summary")
+async def stats_summary(_user: Annotated[str, Depends(require_user)]) -> dict:
+    return build_stats_summary()