Keep OO amplitude refreshed while holding a position.

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

backend/app/sim/matcher.py

@@ -2011,9 +2011,19 @@ class Matcher:
         if index_px is None and snap.perp:
             index_px = snap.perp.mark_px
         qty = float(pos.get("option_qty_eth") or 0)
-        qty2 = float(pos.get("option2_qty_eth") or qty)
+        raw_q2 = pos.get("option2_qty_eth")
+        try:
+            qty2 = float(raw_q2) if raw_q2 is not None else 0.0
+        except (TypeError, ValueError):
+            qty2 = 0.0
+        if qty2 <= 0:
+            qty2 = qty
         contracts1 = float(pos.get("option_qty_contracts") or 0)
-        contracts2 = float(pos.get("option2_qty_contracts") or 0)
+        raw_c2 = pos.get("option2_qty_contracts")
+        try:
+            contracts2 = float(raw_c2) if raw_c2 is not None else 0.0
+        except (TypeError, ValueError):
+            contracts2 = 0.0
         prem1 = float(pos.get("initial_premium") or 0)
         prem2 = float(pos.get("initial_premium2") or 0)
         call_id = str(pos.get("option_inst_id") or "")
@@ -2022,6 +2032,19 @@ class Matcher:
         entry2 = float(pos.get("option2_entry_px") or 0)
         oq1 = self._quote_held_option(call_id) if call_id else None
         oq2 = self._quote_held_option(put_id) if put_id else None
+        # 盘口缓存未订阅到 Put 时，回退 session 监控腿（与「持仓虚值」同数据源）
+        if (oq2 is None or (oq2.bid is None and oq2.mark_px is None)) and put_id:
+            try:
+                if snap.put and str(getattr(snap.put, "inst_id", "") or "") == put_id:
+                    oq2 = snap.put
+            except Exception:
+                pass
+        if (oq1 is None or (oq1.bid is None and oq1.mark_px is None)) and call_id:
+            try:
+                if snap.call and str(getattr(snap.call, "inst_id", "") or "") == call_id:
+                    oq1 = snap.call
+            except Exception:
+                pass
         option_upl = 0.0
         option2_upl = 0.0
         fees = 0.0