Fix btc_eth watching entry, preview sizing, and coin-to-U settlement.

Use dual indices for watch/preview; perp entry uses ETH mark; expiry/close convert coin PnL via option index; align legacy long→Call; omit combo U when index missing.

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

lib/hedge_plan/hedge_plan_orders_lib.py

@@ -1282,10 +1282,15 @@ def validate_start_body(plan_type: str, body: dict[str, Any]) -> Optional[str]:
                 opt_type = "C"
         if opt_type not in ("P", "C"):
             return "缺少期权类型(Put/Call)"
-        if direction == "long" and opt_type != "P":
-            return "做多永期对冲须用 Put"
-        if direction == "short" and opt_type != "C":
-            return "做空永期对冲须用 Call"
+        # 与 opt_type_for_view 一致:做多→Call+空永续,做空→Put+多永续
+        from lib.hedge_plan.hedge_plan_option_primary_lib import opt_type_for_view
+
+        want = opt_type_for_view(direction)
+        if opt_type != want:
+            return (
+                f"做{'多' if direction == 'long' else '空'}永期对冲须用 "
+                f"{'Call' if want == 'C' else 'Put'}"
+            )
         if direction == "long" and not (sl < entry < tp):
             return "做多须满足 止损 < 入场 < 止盈"
         if direction == "short" and not (tp < entry < sl):
@@ -1775,34 +1780,38 @@ def execute_manual_close_plan(cfg: dict[str, Any], conn: Any, plan_id: int) -> d
         notes.append("卖币失败: " + str(sell_r.get("msg") or ""))
 
     total = float(opt_pnl) + float(perp_pnl)
-    # 期权币本位盈亏换算到 U:用期权标的指数(跨币=BTC,禁止×ETH)
+    # 币本位期权盈亏一律 × 期权指数折 U(跨币=BTC);不再用 |pnl|<10 启发式
     try:
         from lib.hedge_plan.hedge_plan_live_positions_lib import resolve_option_index_px
         from lib.hedge_plan.hedge_po_mode_lib import get_hedge_po_mode, is_cross_asset, option_underlying
+        from lib.options.options_pricing_lib import _quote_in_coin_from_context
 
         mode = str(plan.get("po_mode") or get_hedge_po_mode())
         opt_u = str(plan.get("option_underlying") or plan.get("underlying") or option_underlying(mode) or uly).upper()
-        ex_idx = cfg.get("exchange_options") or cfg.get("exchange")
-        if callable(ex_idx):
-            try:
-                ex_idx = ex_idx()
-            except Exception:
-                ex_idx = None
-        idx = float(
-            resolve_option_index_px(
-                cfg,
-                opt_u,
-                ex_opt=ex_idx,
-                cross_asset=is_cross_asset(mode),
-                perp_fallback=None,
+        inst = ""
+        if opt:
+            inst = str(opt.get("inst_id") or "")
+        coin = bool(_quote_in_coin_from_context(inst_id=inst)) if inst else True
+        if coin:
+            ex_idx = cfg.get("exchange_options") or cfg.get("exchange")
+            if callable(ex_idx):
+                try:
+                    ex_idx = ex_idx()
+                except Exception:
+                    ex_idx = None
+            idx = float(
+                resolve_option_index_px(
+                    cfg,
+                    opt_u,
+                    ex_opt=ex_idx,
+                    cross_asset=is_cross_asset(mode),
+                    perp_fallback=None,
+                )
+                or 0
             )
-            or 0
-        )
-        # opt_pnl 可能已是币;若为币且绝对值很小则 × 指数
-        if abs(opt_pnl) < 10 and idx > 0 and abs(opt_pnl * idx) > abs(opt_pnl):
-            opt_pnl_u = opt_pnl * idx
+            opt_pnl_u = float(opt_pnl) * idx if idx > 0 else float(opt_pnl)
         else:
-            opt_pnl_u = opt_pnl
+            opt_pnl_u = float(opt_pnl)
     except Exception:
         opt_pnl_u = opt_pnl