Update src/app.py

src/app.py

@@ -350,7 +350,8 @@ with gr.Blocks(
         with gr.Column():
             youtube_url = gr.Textbox(
                 label="YouTube URL", 
-                placeholder="https://www.youtube.com/watch?v=...",
+                value="https://www.youtube.com/watch?v=7Hcg-rLYwdM",
+                interactive=False,
                 lines=1,
                 scale=4
             )
@@ -424,10 +425,10 @@ with gr.Blocks(
         2. This app uses Pixtral-12B for vision-language understanding
         
         ### 🎥 Load Video:
-        1. Go to the "Load Video" tab
-        2. Paste a YouTube URL (make sure it's publicly accessible)
-        3. Click "🔄 Process Video" and wait for processing to complete
-        4. Look for the ✅ success message
+        For this demo, we **use a fixed pre-downloaded YouTube video**:  
+        👉 [https://www.youtube.com/watch?v=7Hcg-rLYwdM](https://www.youtube.com/watch?v=7Hcg-rLYwdM)  
+        Due to Hugging Face free Space network restrictions, direct downloads from YouTube are disabled.  
+        All processing in this demo is based on this preloaded video.
         
         ### 💬 Chat with Video:
         1. Go to the "Chat with Video" tab