fix(ledger): retain SOR fills with unknown venue

trex_core/application/execution.py

@@ -776,14 +776,15 @@ class ExecutionService:
         execution_venue = fs.execution_venue
         if execution_venue is None and slot.venue in {"KRX", "NXT"}:
             execution_venue = slot.venue
-        if execution_venue not in {"KRX", "NXT"}:
+        if execution_venue is not None and execution_venue not in {"KRX", "NXT"}:
             r.ledger_skipped += 1
             _log.warning(
                 "ledger skip: slot=%s portfolio_id=%s side=%s "
-                "reason=missing_execution_venue order_venue=%s",
+                "reason=unsupported_execution_venue execution_venue=%s order_venue=%s",
                 slot.slot_id,
                 slot.portfolio_id,
                 side,
+                execution_venue,
                 slot.venue,
             )
             return