fix: unit_name в DTO операций (сигнатура _operation_dto с units_by_id)

backend/routers/operations.py

@@ -94,14 +94,17 @@ def list_operations(
     return {'items': [_operation_dto(o, users_by_id, units_by_id) for o in ops], 'total': len(ops)}
 
 
-def _operation_dto(op: SearchOperation, users_by_id: dict | None = None) -> dict[str, Any]:
+def _operation_dto(op: SearchOperation, users_by_id: dict | None = None,
+                   units_by_id: dict | None = None) -> dict[str, Any]:
     u = users_by_id or {}
+    units = units_by_id or {}
     return {
         'id': str(op.id),
         'title': op.title,
         'case_id': str(op.case_id),
         'status': op.status,
         'unit_id': str(op.unit_id) if op.unit_id else None,
+        'unit_name': units.get(str(op.unit_id)) if op.unit_id else None,
         'contour_operation_id': str(op.contour_operation_id) if op.contour_operation_id else None,
         'created_by_name': u.get(str(op.created_by)) if op.created_by else None,
         'created_at': op.created_at.isoformat() if op.created_at else None,