fix: preserve sell event routing owner

trex_core/domain/slot/service.py

@@ -327,6 +327,16 @@ class SlotService:
             raise SlotTransitionError(
                 f"sell() requires holding state, got: {slot.status.value}"
             )
+        # req-0011 / ac-0038: autonomous sells have no SellIntent, so persist
+        # the already-owned SELL identity or inherit the holding owner.
+        sell_event_owner = next(
+            (
+                value
+                for value in (slot.sell_strategy_id, slot.strategy_id)
+                if isinstance(value, str) and value.strip()
+            ),
+            None,
+        )
         self.transit_slot(
             slot_id,
             SlotState.HOLDING,
@@ -334,6 +344,7 @@ class SlotService:
             reason=reason,
             actor=actor,
             limit_price=limit_price,
+            sell_strategy_id=sell_event_owner,
         )
 
     # ------------------------------------------------------------