Update app.py

app.py

@@ -26,6 +26,13 @@ PREDEFINED_QUESTIONS = [
     "How do I integrate custom recovery behaviors?"
 ]
 
+# Helper text for tooltip
+DROPDOWN_TOOLTIP = """
+You can either:
+• Select a predefined question from this dropdown
+• Type your own question in the text box below
+"""
+
 def generate_prompt(context: str, question: str, system_prompt: str = DEFAULT_SYSTEM_PROMPT) -> str:
     return f"""
 [INST] <<SYS>>
@@ -128,6 +135,12 @@ with gr.Blocks(title="ROS2 Expert Assistant") as demo:
                 value="Select a question...",
                 label="Pre-defined Questions"
             )
+        with gr.Column(scale=1):
+            # Info icon with tooltip
+            gr.Markdown(
+                """<div title="{}">ℹ️</div>""".format(DROPDOWN_TOOLTIP),
+                elem_classes=["tooltip"]
+            )
         
     with gr.Row():
         # Chat interface
@@ -224,4 +237,4 @@ with gr.Blocks(title="ROS2 Expert Assistant") as demo:
     )
 
 if __name__ == "__main__":
-    demo.launch(share=True)
+    demo.launch(share)