wrap up the backend work

Author: TataKKKL

visual-tree-search-backend/app/api/lwats/agents_async/SearchAgents/lats_agent.py

@@ -863,6 +863,7 @@ def _get_tree_data(self):
                 "is_terminal": node.is_terminal,
                 "value": node.value,
                 "visits": node.visits,
+                "feedback": node.feedback,
                 "reward": node.reward
             }
             tree_data.append(node_data)

visual-tree-search-backend/app/api/lwats/agents_async/SearchAgents/simple_search_agent.py

@@ -1148,6 +1148,7 @@ def _get_tree_data(self):
                 "is_terminal": node.is_terminal,
                 "value": node.value,
                 "visits": node.visits,
+                "feedback": node.feedback,
                 "reward": node.reward
             }
             tree_data.append(node_data)