feat(execution): reconcile timed-out orders safely

trex_core/adapters/broker/paper.py

@@ -9,6 +9,7 @@ from __future__ import annotations
 
 import threading
 from decimal import Decimal
+from datetime import datetime
 from typing import Optional
 
 from trex_core.adapters.broker.seq_store import SeqStore
@@ -80,7 +81,15 @@ class PaperBroker:
             self._orders[oid] = _Order(oid, req)
         return OrderAck(accepted=True, broker_order_id=oid, venue=req.venue)
 
-    def poll_fill(self, broker_order_id: str, *, side: str, symbol: str) -> FillStatus:
+    def poll_fill(
+        self,
+        broker_order_id: str,
+        *,
+        side: str,
+        symbol: str,
+        order_date: Optional[str] = None,
+        submitted_at: Optional[datetime] = None,
+    ) -> FillStatus:
         with self._lock:
             o = self._orders.get(broker_order_id)
             if o is None:
@@ -91,7 +100,12 @@ class PaperBroker:
             if symbol in self._reject:
                 return FillStatus(state="rejected", raw={"reason": "paper_reject"})
             if o.polls <= self._fill_after:
-                return FillStatus(state="accepted", filled_qty=o.filled, avg_price=o.price)
+                return FillStatus(
+                    state="accepted",
+                    filled_qty=o.filled,
+                    avg_price=o.price,
+                    raw={"order_open_confirmed": True},
+                )
             step = self._qty_per_poll if self._qty_per_poll is not None else (o.qty - o.filled)
             o.filled = min(o.qty, o.filled + step)
             if o.filled >= o.qty:
@@ -105,7 +119,12 @@ class PaperBroker:
                     state="filled", filled_qty=o.filled, avg_price=o.price,
                     execution_id=execution_id, fee=fee, tax=tax,
                 )
-            return FillStatus(state="partially_filled", filled_qty=o.filled, avg_price=o.price)
+            return FillStatus(
+                state="partially_filled",
+                filled_qty=o.filled,
+                avg_price=o.price,
+                raw={"order_open_confirmed": True},
+            )
 
     def cancel_order(
         self,