Fix funds bar day stats: align trades, win rate, and PL ratio.

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

backend/app/api/funds.py

@@ -66,26 +66,21 @@ async def funds_summary(_user: Annotated[str, Depends(require_user)]) -> dict[st
     exchange = str(st.get("exchange") or s.exchange or "okx").upper()
     trading_day = datetime.now(SH).strftime("%Y-%m-%d")
 
-    closed = db.fetchall(
+    # 顶栏「总交易 / 胜率 / 盈亏比」与交易日同一口径：上海自然日开仓组 G-YYYYMMDD-*
-        "SELECT realized_pnl, close_at_ms FROM groups WHERE status='closed'"
-    )
-    pnls = [float(r["realized_pnl"] or 0) for r in closed]
-    n = len(pnls)
-    wins = sum(1 for x in pnls if x > 0)
-    win_rate = (wins / n) if n else 0.0
-
-    # 当日成交组
     day_prefix = trading_day.replace("-", "")
     day_groups = db.fetchall(
         "SELECT realized_pnl FROM groups WHERE group_id LIKE ? AND status='closed'",
         (f"G-{day_prefix}-%",),
     )
-    day_n = len(day_groups)
+    day_pnls = [float(r["realized_pnl"] or 0) for r in day_groups]
+    day_n = len(day_pnls)
+    day_wins = sum(1 for x in day_pnls if x > 0)
+    day_win_rate = (day_wins / day_n) if day_n else 0.0
 
     pos = st.get("position") or {}
-    upl = pos
     realtime = None
-    if str(pos.get("status") or "") == "open":
+    pos_st = str(pos.get("status") or "")
+    if pos_st in ("open", "half_open", "option_closed_perp_pending"):
         realtime = float(pos.get("net_pnl") or 0)
 
     if s.is_sim:
@@ -144,9 +139,9 @@ async def funds_summary(_user: Annotated[str, Depends(require_user)]) -> dict[st
         "mode": mode,
         "exchange": exchange,
         "trading_day": trading_day,
-        "total_trades": day_n if day_n else n,
+        "total_trades": day_n,
-        "win_rate": win_rate,
+        "win_rate": day_win_rate,
-        "profit_loss_ratio": _pl_ratio(pnls),
+        "profit_loss_ratio": _pl_ratio(day_pnls),
         "total_funds": total,
         "funding_usdt": funding_usdt,
         "trading_usdt": trading_usdt,

backend/tests/test_funds_summary.py

@@ -0,0 +1,123 @@
+"""顶栏资金摘要：总交易/胜率/盈亏比与交易日同口径。"""
+
+from __future__ import annotations
+
+import asyncio
+from datetime import datetime
+from types import SimpleNamespace
+from zoneinfo import ZoneInfo
+
+from app.api import funds as funds_api
+from app.models.db import Database, set_db
+from app.strategy.engine import set_engine
+
+
+def _insert_closed(db: Database, *, group_id: str, pnl: float) -> None:
+    now = 1_700_000_000_000
+    with db._lock:
+        db._conn.execute(
+            """INSERT INTO groups(
+                group_id, status, bias, option_side, perp_side, option_inst_id,
+                strike, expiry_ymd, initial_premium, open_at_ms, close_at_ms,
+                close_reason, realized_pnl, fees, slip_cost
+            ) VALUES (?,?,?,?,?,?,?,?,?,?,?,?,?,?,?)""",
+            (
+                group_id,
+                "closed",
+                "test",
+                "call",
+                "short",
+                "ETH-USD_UM-260801-2000-C",
+                2000.0,
+                "260801",
+                100.0,
+                now,
+                now + 1000,
+                "manual",
+                pnl,
+                1.0,
+                0.0,
+            ),
+        )
+        db._conn.commit()
+
+
+def test_day_stats_not_mixed_with_history(tmp_path, monkeypatch) -> None:
+    monkeypatch.setenv("MODE", "SIM")
+    db = Database(tmp_path / "funds_sum.db")
+    set_db(db)
+    try:
+        # 历史 3 胜 1 负 → 75%；当日仅 1 笔亏损
+        _insert_closed(db, group_id="G-20260101-01", pnl=10.0)
+        _insert_closed(db, group_id="G-20260101-02", pnl=20.0)
+        _insert_closed(db, group_id="G-20260101-03", pnl=5.0)
+        _insert_closed(db, group_id="G-20260101-04", pnl=-10.0)
+        _insert_closed(db, group_id="G-20260802-01", pnl=-8.0)
+
+        class _FakeDT:
+            @staticmethod
+            def now(tz=None):
+                from datetime import timezone
+
+                if tz is timezone.utc:
+                    return datetime(2026, 8, 2, 4, 0, tzinfo=timezone.utc)
+                return datetime(2026, 8, 2, 12, 0, tzinfo=tz or ZoneInfo("Asia/Shanghai"))
+
+        monkeypatch.setattr(funds_api, "datetime", _FakeDT)
+
+        eng = SimpleNamespace(
+            state=lambda: {
+                "exchange": "okx",
+                "position": {"status": "flat", "net_pnl": None},
+            }
+        )
+        set_engine(eng)  # type: ignore[arg-type]
+
+        body = asyncio.run(funds_api.funds_summary(_user="admin"))
+        assert body["ok"] is True
+        assert body["trading_day"] == "2026-08-02"
+        assert body["total_trades"] == 1
+        assert body["win_rate"] == 0.0
+        assert body["profit_loss_ratio"] is None
+    finally:
+        set_engine(None)  # type: ignore[arg-type]
+        set_db(None)
+        db.close()
+
+
+def test_day_win_rate_matches_day_trades(tmp_path, monkeypatch) -> None:
+    monkeypatch.setenv("MODE", "SIM")
+    db = Database(tmp_path / "funds_sum2.db")
+    set_db(db)
+    try:
+        _insert_closed(db, group_id="G-20260802-01", pnl=10.0)
+        _insert_closed(db, group_id="G-20260802-02", pnl=20.0)
+        _insert_closed(db, group_id="G-20260802-03", pnl=-5.0)
+
+        class _FakeDT:
+            @staticmethod
+            def now(tz=None):
+                from datetime import timezone
+
+                if tz is timezone.utc:
+                    return datetime(2026, 8, 2, 4, 0, tzinfo=timezone.utc)
+                return datetime(2026, 8, 2, 12, 0, tzinfo=tz or ZoneInfo("Asia/Shanghai"))
+
+        monkeypatch.setattr(funds_api, "datetime", _FakeDT)
+        set_engine(
+            SimpleNamespace(
+                state=lambda: {
+                    "exchange": "okx",
+                    "position": {"status": "flat"},
+                }
+            )  # type: ignore[arg-type]
+        )
+
+        body = asyncio.run(funds_api.funds_summary(_user="admin"))
+        assert body["total_trades"] == 3
+        assert abs(body["win_rate"] - (2 / 3)) < 1e-9
+        assert body["profit_loss_ratio"] is not None
+    finally:
+        set_engine(None)  # type: ignore[arg-type]
+        set_db(None)
+        db.close()