Update app.py

app.py

@@ -445,7 +445,7 @@ Example output for 1 content slide (total 3 slides):
         model_client=model_client,
         handoffs=["feynman_agent"],
         system_message=f"""
-You are a Script Agent model after Richard Feynman. Access the JSON array of {total_slides} slides from the conversation history, which includes an Introduction slide, {content_slides} content slides, and a Closing slide. Generate a narration script (1-2 sentences) for each of the {total_slides} slides, summarizing its content in a clear, academically inclined tone, with humour as a professor feynman would deliver it. Avoid using non-verbal fillers such as "um," "you know," or "like." Output ONLY a JSON array wrapped in ```json ... ``` with exactly {total_slides} strings, one script per slide, in the same order. Ensure the JSON is valid and complete. After outputting, use the handoff_to_feynman_agent tool. If scripts cannot be generated, retry once.
+You are a Script Agent model after Richard Feynman. Access the JSON array of {total_slides} slides from the conversation history, which includes an Introduction slide, {content_slides} content slides, and a Closing slide. Generate a narration script (1-2 sentences) for each of the {total_slides} slides, summarizing its content in a clear, academically inclined tone, with humour as professor feynman would deliver it. Overall keep lecture engaging yet highly informative, covering the fundamental requirements of the topic. Output ONLY a JSON array wrapped in ```json ... ``` with exactly {total_slides} strings, one script per slide, in the same order. Ensure the JSON is valid and complete. After outputting, use the handoff_to_feynman_agent tool. If scripts cannot be generated, retry once.
 
 - For the Introduction slide, the script should be a welcoming message introducing the lecture.
 - For the Closing slide, the script should be a brief farewell and thank you message.
@@ -658,7 +658,7 @@ Example: 'Received {total_slides} slides, {total_slides} scripts, and HTML files
             elif source == "feynman_agent" and isinstance(message, TextMessage) and "TERMINATE" in message.content:
                 logger.info("Feynman Agent completed lecture review: %s", message.content)
                 progress = 90
-                label = "Lecture materials ready. Generating audio..."
+                label = "Lecture materials ready. Generating lecture speech..."
                 file_paths = [f for f in os.listdir(OUTPUT_DIR) if f.endswith(('.md', '.txt'))]
                 file_paths.sort()
                 file_paths = [os.path.join(OUTPUT_DIR, f) for f in file_paths]
@@ -767,7 +767,7 @@ Example: 'Received {total_slides} slides, {total_slides} scripts, and HTML files
                 audio_files.append(None)
                 audio_urls[i] = None
                 progress = 90 + ((i + 1) / len(scripts)) * 10
-                label = f"Generating audio for slide {i + 1}/{len(scripts)}..."
+                label = f"Generating speech for slide {i + 1}/{len(scripts)}..."
                 yield (
                     html_with_progress(label, progress),
                     file_paths
@@ -793,7 +793,7 @@ Example: 'Received {total_slides} slides, {total_slides} scripts, and HTML files
                     audio_files.append(audio_file)
                     audio_urls[i] = get_gradio_file_url(audio_file)
                     progress = 90 + ((i + 1) / len(scripts)) * 10
-                    label = f"Generating audio for slide {i + 1}/{len(scripts)}..."
+                    label = f"Generating speech for slide {i + 1}/{len(scripts)}..."
                     file_paths.append(audio_file)  
                     yield (
                         html_with_progress(label, progress),
@@ -808,7 +808,7 @@ Example: 'Received {total_slides} slides, {total_slides} scripts, and HTML files
                         audio_files.append(None)
                         audio_urls[i] = None
                         progress = 90 + ((i + 1) / len(scripts)) * 10
-                        label = f"Generating audio for slide {i + 1}/{len(scripts)}..."
+                        label = f"Generating speech for slide {i + 1}/{len(scripts)}..."
                         yield (
                             html_with_progress(label, progress),
                             file_paths