update

src/mcts.jl

@@ -134,14 +134,17 @@ function expand(a::T1, node::MCTSNode, state::T2, decisionMaker::Function, state
 
   # sampling action from decisionMaker
   for sample in 1:n
-    thought = decisionMaker(a, state)
-    
+    thoughtJstr = decisionMaker(a, state)
+    thoughtDict = copy(JSON3.read(thoughtJstr)) 
+    latestActionKey = GeneralUtils.findHighestIndexKey(thoughtDict, "Action")
+
+    error("--> expand")  
     newState = transition(node.state, action)  #[] Implement your transition function
     if newState ∉ keys(node.children)
         node.children[newState] = MCTSNode(newState, 0, 0.0, Dict{T, MCTSNode}())
     end
   end
-  error("--> expand")
+  
 end
 
 """