update

src/interface.jl

@@ -1340,6 +1340,32 @@ function generatequestion(a, text2textInstructLLM::Function; recent=nothing)::St
 
     try
       response = text2textInstructLLM(prompt)
+      # make sure generatequestion() don't have wine name that is not from retailer inventory
+      # check whether an agent recommend wines before checking inventory or recommend wines 
+      # outside its inventory
+      # ask LLM whether there are any winery mentioned in the response
+      mentioned_winery = detectWineryName(a, response)
+      if mentioned_winery != "None"
+        mentioned_winery = String.(strip.(split(mentioned_winery, ",")))
+
+        # check whether the wine is in event
+        isWineInEvent = false
+        for winename in mentioned_winery
+          for event in a.memory[:events]
+            if event[:outcome] !== nothing && occursin(winename, event[:outcome])
+              isWineInEvent = true
+              break
+            end
+          end
+        end
+
+        # if wine is mentioned but not in timeline or shortmem,
+        # then the agent is not supposed to recommend the wine
+        if isWineInEvent == false
+          errornote = "Previously, You mentioned wines that is not in your inventory which is not allowed."
+          error("Previously, You mentioned wines that is not in your inventory which is not allowed.")
+        end
+      end
 
       # sometime LLM generate more than 1 Understanding:
       understanding_number = count("Understanding:", response)