fix: close broker uncertainty audit gaps

trex_core/adapters/persistence/postgresql.py

@@ -341,6 +341,8 @@ class PostgreSQLSlotRepository:
         slot_id: UUID,
         broker_order_id: str,
         state: str,
+        *,
+        only_if_unset: bool = False,
     ) -> bool:
         now = datetime.now(tz=timezone.utc)
         with self._psycopg.connect(self._dsn, autocommit=False) as conn:
@@ -349,8 +351,16 @@ class PostgreSQLSlotRepository:
                     "UPDATE daily_slot SET cancel_state=%s, "
                     "cancel_requested_at=%s, updated_at=%s "
                     "WHERE slot_id=%s AND broker_order_id=%s "
-                    "AND status IN ('pending_buy','pending_sell')",
-                    (state, now, now, slot_id, broker_order_id),
+                    "AND status IN ('pending_buy','pending_sell') "
+                    "AND (%s = FALSE OR cancel_state IS NULL)",
+                    (
+                        state,
+                        now,
+                        now,
+                        slot_id,
+                        broker_order_id,
+                        only_if_unset,
+                    ),
                 )
                 ok = cur.rowcount == 1
                 conn.commit()