Fix btc_eth live card option premium USDT conversion.

Use option (BTC) index for coin-to-U; never fall back to ETH perp mark. Also add no-server-ops Cursor rule.

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

lib/hedge_plan/hedge_plan_live_positions_lib.py

@@ -104,9 +104,57 @@ def _has_open_leg(legs: list[dict[str, Any]]) -> bool:
     return any(str(x.get("status") or "").lower() == "open" for x in legs)
 
 
+def resolve_option_index_px(
+    cfg: dict[str, Any],
+    option_uly: str,
+    *,
+    ex_opt: Any = None,
+    cross_asset: bool = False,
+    perp_fallback: Optional[float] = None,
+) -> Optional[float]:
+    """期权币→U 必须用期权标的指数;跨币禁止回落永续价(否则 BTC 权利金会×ETH).
+
+    优先公共 HTTP(单参),再 cfg.fetch_index_price(ex, uly);同币才可用永续价兜底.
+    """
+    uly = str(option_uly or "ETH").strip().upper() or "ETH"
+    try:
+        from lib.exchange.okx_public_http_lib import fetch_index_px
+
+        px = _sf(fetch_index_px(uly))
+        if px is not None and px > 0:
+            return px
+    except Exception:
+        pass
+    fetch_idx = cfg.get("fetch_index_price") if isinstance(cfg, dict) else None
+    if callable(fetch_idx):
+        try:
+            if ex_opt is not None:
+                px = _sf(fetch_idx(ex_opt, uly))
+            else:
+                # 兼容已绑定 ex 的单参包装;勿把 uly 当成 ex
+                px = _sf(fetch_idx(uly))
+            if px is not None and px > 0:
+                return px
+        except TypeError:
+            try:
+                px = _sf(fetch_idx(uly))
+                if px is not None and px > 0:
+                    return px
+            except Exception:
+                pass
+        except Exception:
+            pass
+    if not cross_asset:
+        fb = _sf(perp_fallback)
+        if fb is not None and fb > 0:
+            return fb
+    return None
+
+
 def build_live_hedge_cards(cfg: dict[str, Any], conn: Any) -> list[dict[str, Any]]:
     """当前持仓:未平完的永期仓(含计划已结束但腿仍 open)."""
     from lib.hedge_plan.hedge_plan_db import attach_legs_to_plans, list_plans_for_live_positions
+    from lib.hedge_plan.hedge_po_mode_lib import combo_net_usdt, get_hedge_po_mode, is_cross_asset, option_underlying
 
     rows = list_plans_for_live_positions(conn, plan_type="perp_options", limit=40)
     if not rows:
@@ -129,7 +177,6 @@ def build_live_hedge_cards(cfg: dict[str, Any], conn: Any) -> list[dict[str, Any
 
     get_perp_metrics = cfg.get("get_live_position_exchange_metrics")
     get_cs = cfg.get("get_contract_size")
-    fetch_idx = cfg.get("fetch_index_price")
     ex_perp = None
     try:
         get_pex = cfg.get("exchange")
@@ -161,7 +208,13 @@ def build_live_hedge_cards(cfg: dict[str, Any], conn: Any) -> list[dict[str, Any
                 continue
 
         view = str(plan.get("direction") or "long").lower()
-        uly = str(plan.get("underlying") or "ETH").upper()
+        mode = str(plan.get("po_mode") or get_hedge_po_mode())
+        uly = str(
+            plan.get("option_underlying") or plan.get("underlying") or option_underlying(mode) or "ETH"
+        ).upper()
+        cross = is_cross_asset(mode) or (
+            str(plan.get("perp_underlying") or "").upper() not in ("", uly)
+        )
         inst_id = str((opt_leg or {}).get("inst_id") or "")
         opt_raw = _pick_option_row(opt_rows, inst_id) if inst_id else None
 
@@ -230,14 +283,14 @@ def build_live_hedge_cards(cfg: dict[str, Any], conn: Any) -> list[dict[str, Any
         perp_top_sz = _sf(book.get("top_sz"))
         book_side = str(book.get("book_side") or "")
 
-        idx = None
-        if callable(fetch_idx):
-            try:
-                idx = _sf(fetch_idx(uly))
-            except Exception:
-                idx = None
-        if idx is None or idx <= 0:
-            idx = perp_vwap or perp_mark or strike or 0.0
+        # 币→U:期权标的指数(btc_eth=BTC);禁止用 ETH 永续价折算
+        idx = resolve_option_index_px(
+            cfg,
+            uly,
+            ex_opt=ex_opt,
+            cross_asset=cross,
+            perp_fallback=(perp_vwap or perp_mark or strike),
+        )
 
         net = estimate_combo_net_pnl(
             view_side=view,
@@ -256,12 +309,15 @@ def build_live_hedge_cards(cfg: dict[str, Any], conn: Any) -> list[dict[str, Any
             option_fee=fr_opt,
         )
         opt_net_coin = float(net.get("opt_net") or 0)
-        # 币→U:用当前指数(与买币参考价同口径)
-        opt_net_usdt = round(opt_net_coin * float(idx or 0), 4) if idx else None
+        opt_net_usdt = (
+            round(opt_net_coin * float(idx), 4) if idx is not None and idx > 0 else None
+        )
         perp_net = float(net.get("perp_net") or 0)
-        combo_usdt = round((opt_net_usdt or 0) + perp_net, 4) if opt_net_usdt is not None else round(perp_net, 4)
+        combo_usdt = combo_net_usdt(net, option_index=float(idx or 0))
+        if combo_usdt is None:
+            combo_usdt = round(perp_net, 4)
         prem_coin = float(net.get("premium") or (float(avg_open or 0) * float(sheets or 0) * float(ct or 0.01)))
-        prem_usdt = round(prem_coin * float(idx or 0), 2) if idx else None
+        prem_usdt = round(prem_coin * float(idx), 2) if idx is not None and idx > 0 else None
 
         opened_at = plan.get("opened_at")
         opened_ms = _parse_opened_ms(opened_at)