Add cumulative P&L banner to fund overview for at-a-glance profit/loss.

Expose period delta from equity curve start and surface it in the toolbar and summary cards with green/red cues.

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

lib/hub/hub_fund_history_lib.py

@@ -74,6 +74,30 @@ def compute_drawdown(values: list[float]) -> dict[str, Any]:
     }
 
 
+def compute_period_delta(series: list[dict]) -> dict[str, Any]:
+    """相对曲线起点的资金变动(U 与 %);含出入金影响,口径同权益曲线."""
+    pts = [
+        p
+        for p in (series or [])
+        if isinstance(p, dict) and isinstance(p.get("total_usdt"), (int, float))
+    ]
+    if not pts:
+        return {
+            "start_usdt": None,
+            "period_delta_usdt": None,
+            "period_delta_pct": None,
+        }
+    start = round(float(pts[0]["total_usdt"]), 4)
+    end = round(float(pts[-1]["total_usdt"]), 4)
+    delta = round(end - start, 4)
+    pct = round((delta / start) * 100, 2) if start > 0 else None
+    return {
+        "start_usdt": start,
+        "period_delta_usdt": delta,
+        "period_delta_pct": pct,
+    }
+
+
 def _atomic_write(path: Path, data: dict) -> None:
     path.parent.mkdir(parents=True, exist_ok=True)
     tmp = path.with_suffix(path.suffix + ".tmp")
@@ -343,6 +367,7 @@ def build_fund_overview(
                 day_delta = round(series[-1]["total_usdt"] - series[-2]["total_usdt"], 4)
             elif data_ok and total is not None:
                 day_delta = round(total - series[-1]["total_usdt"], 4)
+        period = compute_period_delta(series)
 
         accounts_out.append(
             {
@@ -361,6 +386,9 @@ def build_fund_overview(
                 "series": series,
                 "drawdown": dd,
                 "day_delta_usdt": day_delta,
+                "start_usdt": period["start_usdt"],
+                "period_delta_usdt": period["period_delta_usdt"],
+                "period_delta_pct": period["period_delta_pct"],
             }
         )
         if key:
@@ -387,6 +415,7 @@ def build_fund_overview(
             total_day_delta = round(
                 total_series[-1]["total_usdt"] - total_series[-2]["total_usdt"], 4
             )
+    total_period = compute_period_delta(total_series)
 
     return {
         "ok": True,
@@ -400,6 +429,9 @@ def build_fund_overview(
             "live_known_count": live_known,
             "total_usdt": round(live_total, 4) if live_known > 0 else None,
             "day_delta_usdt": total_day_delta,
+            "start_usdt": total_period["start_usdt"],
+            "period_delta_usdt": total_period["period_delta_usdt"],
+            "period_delta_pct": total_period["period_delta_pct"],
             "series": total_series,
             "drawdown": total_dd,
         },