added various files

app.py

@@ -73,28 +73,9 @@ To get started, upload the audio below.
 """
         await cl.Message(content=welcome_message).send()
 
-    except Exception as e:
-        # Log any errors that occur during session initialization
-        print(f"Error during on_chat_start: {str(e)}")
-
-# Stop chat session cleanup
-@cl.on_stop
-async def on_chat_stop():
-    # Clean up any session data or resources here, if needed
-    print("Session ended, resources cleaned up.")
-
-# Handle incoming chat
-@cl.on_message
-async def handle_message(message: cl.Message):
-    try:
-        # Retrieve transcription counter for the user session
-        counter = cl.user_session.get("transcription_counter", 0)
-        counter += 1
-        cl.user_session.set("transcription_counter", counter)
-
-        # Get the uploaded audio file
+        # Prompt the user to upload an audio file
         files = await cl.AskFileMessage(
-            content="", 
+            content="Please upload your ATC audio file (MP3 or WAV):",
             accept={
                 "audio/wav": [".wav"],
                 "audio/mpeg": [".mp3"]
@@ -132,5 +113,11 @@ async def handle_message(message: cl.Message):
             await msg.update(content="Here is the ATC transcription:")
 
     except Exception as e:
-        # Log any errors that occur during transcription
-        print(f"Error during handle_message: {str(e)}")
+        # Log any errors that occur during session initialization
+        print(f"Error during on_chat_start: {str(e)}")
+
+# Stop chat session cleanup
+@cl.on_stop
+async def on_chat_stop():
+    # Clean up any session data or resources here, if needed
+    print("Session ended, resources cleaned up.")