docs: enhance Gradio UI description for Unpredictable Lord game

app.py

@@ -64,7 +64,13 @@ logger.info(f"Using tool prefix: '{tool_prefix}'")
 
 # Gradio UI
 with gr.Blocks(title="Unpredictable Lord") as demo:
-    gr.Markdown("# Unpredictable Lord\nLord Advisor AI Simulation")
+    gr.Markdown(
+        "# Unpredictable Lord\n\n"
+        "**Lord Advisor AI Simulation** 🏰🎮<br>"
+        "🎯 **Overview:** A turn-based advisor game where players propose policies and counsel a lord AI. 🤝<br>"
+        "⚖️ Decisions depend on lord personality, advisor trust, and current state — affecting resources, population, and morale. 📈📉<br>"
+        "🏆 Win by expanding territory, earning royal favor, or growing wealth; ⚠️ beware rebellion, exile, or bankruptcy. 💀👑💰"
+    )
 
     # State to store current session_id and system_instructions for Chat tab
     chat_session_id = gr.State(value=None)