requirements update for llm compat

app.py

@@ -402,6 +402,17 @@ class BasicAgent:
                     # If no tool call, check if it's a final answer
                     content = response.content.strip()
                     
+                    # If the model is just acknowledging or explaining, prompt it to use the tool
+                    if any(phrase in content.lower() for phrase in ["let me", "i'll", "i will", "sure", "okay", "alright"]):
+                        logger.info("Model provided acknowledgment instead of tool call, prompting for search")
+                        return {
+                            "messages": messages + [
+                                AIMessage(content="Please use the google_search tool to find the information."),
+                                HumanMessage(content="Please search for the information using the google_search tool.")
+                            ],
+                            "next": "agent"
+                        }
+                    
                     # Clean up the content to ensure it's in the correct format
                     if content.startswith("**Final Answer**: "):
                         content = content.replace("**Final Answer**: ", "").strip()