Update app.py

app.py

@@ -89,19 +89,37 @@ def chat(message, history):
     return history, ""
 #============starting extract_docx_text
 def respond(message, history):
-    answer = qa_chain.invoke(message)
-    docs = retriever.invoke(message)
-    refs = [f"Page {d.metadata.get('page', 'N/A')}" for d in docs]
-    full_answer = f"{answer}\n\n**References:**\n" + "\n".join(refs)
+    word_count = len(message.strip().split())
     
-    # CRITICAL: Append ONLY pure dicts - no metadata, tuples, or extras
-    new_history = history + [  # Or history.append() then return history
-        {"role": "user", "content": message},
-        {"role": "assistant", "content": full_answer}
-    ]
-    
-    # Clear input
-    return "", new_history  # Return cleared msg, updated history
+    # If less than 3 words, do not call LLM, just ask user to clarify
+    if word_count < 3:
+        correction_msg = "Please **clarify** or expand your question (at least 3 words)."
+        new_history = history + [
+            {"role": "user", "content": message},
+            {"role": "assistant", "content": correction_msg},
+        ]
+        return "", new_history
+    else:
+        answer = qa_chain.invoke(message)
+        docs = retriever.invoke(message)
+        refs = [f"Page {d.metadata.get('page', 'N/A')}" for d in docs]
+        full_answer = f"{answer}\n\n**References:**\n" + "\n".join(refs)
+        
+        # CRITICAL: Append ONLY pure dicts - no metadata, tuples, or extras
+        new_history = history + [  # Or history.append() then return history
+            {"role": "user", "content": message},
+            {"role": "assistant", "content": full_answer}
+        ]
+        history_string = "\n".join([
+            f"{item['role']}: {item['content']}"
+            for item in new_history
+        ])
+        # Clear input
+        try:
+            update_log("\nFrom Chat: "+datetime.now().isoformat()+"\n"+history_string+"\n")
+        except Exception as ee:
+            print(f"Error: {ee} - not saved the log")
+        return "", new_history  # Return cleared msg, updated history
 #====================
 def extract_docx_text(file_path):
     doc = Document(file_path)