updated paste functions and web search

app.py

@@ -62,10 +62,10 @@ with gr.Blocks() as demo:
                 interactive=True,
                 placeholder="Discuss architecture, paste code blocks, or ask CoderG to produce course documentation...",
                 show_label=False,
-                lines=3,
-                max_lines=10,
+                lines=1,        # <--- Crucial change: Reverts default Enter behavior back to sending
+                max_lines=10,   # <--- Keeps the box flexible so it expands when pasting large text such as code bases
                 scale=8,
-                submit_btn=True  # <--- Removes the forced sidebar submit button, allowing 'Enter' to natively act as the submission key
+                submit_btn=False  # <--- Removes the forced sidebar submit button, allowing 'Enter' to natively act as the submission key
             )
             
             # 2. Wire Up the Component Handlers - 2. Provide a distinct, clear upload node that connects to your perception agent pipeline