do not show default goal prompt

app.py

@@ -13,7 +13,7 @@ st.markdown("Paste a transcript on the left and view the generated content plan
 # Sidebar for OpenAI API Key
 OPENAI_API_KEY = os.getenv("OPENAI_API_KEY")
 DEFAULT_MODEL = "gpt-4o-2024-08-06"
-DEFAULT_GOAL = "Find the key moments, topics, short stories, and engaging segments in their natural order as they appear in the transcript."
+DEFAULT_GOAL = "Extract multiple self-contained clips by identifying natural narrative peaks, emotional highlights, and shareable moments (relatable struggles, surprising insights, or friendly debates) in their original sequence, optimizing for standalone engagement potential."
 
 # Sidebar: Model Selection
 st.sidebar.subheader("⚙️ Settings")
@@ -25,7 +25,8 @@ MODEL = st.sidebar.selectbox(
 
 # Sidebar: Goal Customization
 st.sidebar.subheader("🎯 Customize Prompt")
-GOAL = st.sidebar.text_area("Modify the prompt (optional):", value=DEFAULT_GOAL, height=100)
+GOAL = st.sidebar.text_area("Specify specific prompt to extract clips (optional):", height=100)
+GOAL = GOAL.strip() if GOAL.strip() else DEFAULT_GOAL
 
 if not OPENAI_API_KEY:
     st.warning("⚠️ Please enter your OpenAI API key.")
@@ -94,7 +95,6 @@ if generate_button:
                             st.write(f"**Title:** {clip.get('Title', 'N/A')}")
                             st.write(f"**Focus Prompt:** {clip.get('Focus Prompt', 'N/A')}")
                             st.write(f"**Duration:** {clip.get('Duration Target', 'N/A')} seconds")
-                            st.write(f"**Aspect Ratio:** {clip.get('Aspect Ratio', 'N/A')}")
                             st.markdown("---")
                 else:
                     st.error("⚠️ No clips were generated. Try again.")