feat数据统计曲线改为权益采样，现金加现货币权利金与浮盈。

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

lib/instance/instance_data_stats_register.py

@@ -1,4 +1,4 @@
-"""实例数据统计:复盘 KPI + 资金曲线 API,以及后台现金采样."""
+"""实例数据统计:复盘 KPI + 权益曲线 API,以及后台权益采样."""
 from __future__ import annotations
 
 from typing import Any, Callable
@@ -10,13 +10,72 @@ def install_instance_data_stats(app: Flask, app_module: Any) -> None:
     get_db: Callable = app_module.get_db
     login_required = app_module.login_required
 
-    def _fetch_balances() -> dict[str, Any]:
-        ex = getattr(app_module, "exchange_options", None)
-        if ex is None:
-            return {}
-        from lib.exchange.okx_options_lib import fetch_options_balances
+    def _fetch_equity_snapshot() -> dict[str, Any]:
+        from lib.instance.instance_cash_sample_lib import (
+            cash_usdt_from_balances,
+            equity_usdt_from_snapshot,
+        )
 
-        return fetch_options_balances(ex, force=False) or {}
+        ex = getattr(app_module, "exchange_options", None)
+        bal: dict[str, Any] = {}
+        if ex is not None:
+            try:
+                from lib.exchange.okx_options_lib import fetch_options_balances
+
+                bal = fetch_options_balances(ex, force=False) or {}
+            except Exception:
+                bal = {}
+        cash = cash_usdt_from_balances(bal if isinstance(bal, dict) else None)
+
+        positions: list[dict[str, Any]] = []
+        cfg = None
+        try:
+            cfg = app.extensions.get("options_cfg")
+        except Exception:
+            cfg = None
+        if isinstance(cfg, dict) and cfg.get("enabled"):
+            try:
+                from lib.options.options_dashboard_lib import (
+                    fetch_light_option_positions_for_dashboard,
+                )
+
+                positions = fetch_light_option_positions_for_dashboard(cfg) or []
+            except Exception:
+                positions = []
+
+        btc_px = eth_px = None
+        if ex is not None:
+            try:
+                from lib.options.options_stats_lib import _underlying_index_usdt
+
+                btc_px = _underlying_index_usdt(ex, "BTC")
+                eth_px = _underlying_index_usdt(ex, "ETH")
+            except Exception:
+                btc_px = eth_px = None
+        if (btc_px is None or eth_px is None) and positions:
+            for p in positions:
+                if not isinstance(p, dict):
+                    continue
+                under = str(p.get("underlying") or "").upper()
+                idx = None
+                try:
+                    idx = float(p.get("idx_px") or p.get("index_px") or 0)
+                except (TypeError, ValueError):
+                    idx = None
+                if idx is None or idx <= 0:
+                    continue
+                if under == "BTC" and btc_px is None:
+                    btc_px = idx
+                elif under == "ETH" and eth_px is None:
+                    eth_px = idx
+
+        equity = equity_usdt_from_snapshot(
+            bal if isinstance(bal, dict) else None,
+            positions,
+            btc_px=btc_px,
+            eth_px=eth_px,
+        )
+        return {"cash_usdt": cash, "equity_usdt": equity}
 
     @app.route("/api/instance/cash_curve")
     @login_required
@@ -26,9 +85,8 @@ def install_instance_data_stats(app: Flask, app_module: Any) -> None:
             sample_once,
         )
 
-        # 打开页面时尽量补一笔最新点(失败忽略)
         try:
-            sample_once(get_db, _fetch_balances)
+            sample_once(get_db, _fetch_equity_snapshot)
         except Exception:
             pass
         range_key = (request.args.get("range") or "7d").strip()
@@ -40,10 +98,9 @@ def install_instance_data_stats(app: Flask, app_module: Any) -> None:
         finally:
             conn.close()
 
-    # 后台采样(daemon);无密钥时会空转跳过
     try:
         from lib.instance.instance_cash_sample_lib import start_cash_sample_loop
 
-        start_cash_sample_loop(get_db, _fetch_balances)
+        start_cash_sample_loop(get_db, _fetch_equity_snapshot)
     except Exception as e:
         print(f"[instance_cash_sample] start skipped: {e}", flush=True)