Update app.py

app.py

@@ -36,88 +36,61 @@ question_examples = [
     ["What treatment options exist for HER2+ breast cancer resistant to trastuzumab?"]
 ]
 
-# Helper: collapsible format with tool name
+# Helper: format assistant responses in collapsible panels
+
 def format_collapsible(content, tool_name=None):
+    # Try parsing if it's a JSON string
+    if isinstance(content, str):
+        try:
+            content = json.loads(content)
+        except Exception:
+            pass
+
     if isinstance(content, dict) and "results" in content:
         readable = ""
         for i, result in enumerate(content["results"], 1):
-            readable += f"Result {i}:\n"
+            readable += f"\n🔹 **Result {i}:**\n"
             for key, value in result.items():
                 key_str = key.replace("openfda.", "").replace("_", " ").capitalize()
                 val_str = ", ".join(value) if isinstance(value, list) else str(value)
-                readable += f"- {key_str}: {val_str}\n"
-            readable += "\n"
+                readable += f"- **{key_str}**: {val_str}\n"
         formatted = readable.strip()
     elif isinstance(content, (dict, list)):
         formatted = json.dumps(content, indent=2)
     else:
         formatted = str(content)
 
-    title = f"{tool_name} Result" if tool_name else "Answer"
-
+    title = f"{tool_name or 'Answer'}"
     return (
         "<details style='border: 1px solid #aaa; border-radius: 8px; padding: 10px; margin: 12px 0; background-color: #f8f8f8;'>"
         f"<summary style='font-weight: bold; font-size: 16px; color: #333;'>{title}</summary>"
-        f"<pre style='white-space: pre-wrap; font-family: monospace; color: #222; padding-top: 6px;'>{formatted}</pre>"
+        f"<div style='white-space: pre-wrap; font-family: sans-serif; color: #222; padding-top: 6px;'>{formatted}</div>"
         "</details>"
     )
 
-# UI setup
+# === UI setup
 def create_ui(agent):
-    custom_css = """
-        body {
-            font-family: Inter, sans-serif;
-            background-color: #121212;
-            color: #ffffff;
-        }
-        .gradio-container {
-            max-width: 900px;
-            margin: auto;
-        }
-        textarea, input, .gr-button {
-            font-size: 16px;
-        }
-        .gr-button {
-            background: linear-gradient(to right, #37B6E9, #4B4CED);
-            color: white;
-            border-radius: 8px;
-            font-weight: bold;
-        }
-        .gr-button:hover {
-            background: linear-gradient(to right, #4B4CED, #37B6E9);
-        }
-        .gr-chatbot {
-            background-color: #1e1e1e;
-            border-radius: 10px;
-        }
-    """
-
-    with gr.Blocks(css=custom_css) as demo:
-        gr.Markdown("<h1 style='text-align: center; color: #4B4CED;'>TxAgent: Therapeutic Reasoning</h1>")
-        gr.Markdown("Ask biomedical or therapeutic questions. Powered by step-by-step reasoning and intelligent tool use.")
-
-        temperature = gr.Slider(0, 1, value=0.3, label="Temperature")
-        max_new_tokens = gr.Slider(128, 4096, value=1024, label="Max New Tokens")
-        max_tokens = gr.Slider(128, 32000, value=8192, label="Max Total Tokens")
-        max_round = gr.Slider(1, 50, value=30, label="Max Rounds")
-        multi_agent = gr.Checkbox(label="Enable Multi-agent Reasoning", value=False)
+    with gr.Blocks(css="body { background-color: #f5f5f5; font-family: sans-serif; }") as demo:
+        gr.Markdown("<h1 style='text-align: center;'>TxAgent: Therapeutic Reasoning</h1>")
+        gr.Markdown("<p style='text-align: center;'>Ask biomedical or therapeutic questions. Powered by step-by-step reasoning and tools.</p>")
+
         conversation_state = gr.State([])
 
         chatbot = gr.Chatbot(label="TxAgent", height=600, type="messages")
         message_input = gr.Textbox(placeholder="Ask your biomedical question...", show_label=False)
-        send_button = gr.Button("Send")
+        send_button = gr.Button("Send", variant="primary")
 
-        # Chat logic
-        def handle_chat(message, history, temperature, max_new_tokens, max_tokens, multi_agent, conversation, max_round):
+        # Main handler
+        def handle_chat(message, history, conversation):
             generator = agent.run_gradio_chat(
                 message=message,
                 history=history,
-                temperature=temperature,
-                max_new_tokens=max_new_tokens,
-                max_token=max_tokens,
-                call_agent=multi_agent,
+                temperature=0.3,
+                max_new_tokens=1024,
+                max_token=8192,
+                call_agent=False,
                 conversation=conversation,
-                max_round=max_round
+                max_round=30
             )
 
             for update in generator:
@@ -125,7 +98,7 @@ def create_ui(agent):
                 for m in update:
                     role = m["role"] if isinstance(m, dict) else getattr(m, "role", "assistant")
                     content = m["content"] if isinstance(m, dict) else getattr(m, "content", "")
-                    tool_name = m.get("metadata", {}).get("tool") if isinstance(m, dict) else getattr(m, "metadata", {}).get("tool", None)
+                    tool_name = m.get("tool_name") if isinstance(m, dict) else getattr(m, "tool_name", None)
 
                     if role == "assistant":
                         content = format_collapsible(content, tool_name)
@@ -133,17 +106,16 @@ def create_ui(agent):
                     formatted.append({"role": role, "content": content})
                 yield formatted
 
-        # Events
-        inputs = [message_input, chatbot, temperature, max_new_tokens, max_tokens, multi_agent, conversation_state, max_round]
+        inputs = [message_input, chatbot, conversation_state]
         send_button.click(fn=handle_chat, inputs=inputs, outputs=chatbot)
         message_input.submit(fn=handle_chat, inputs=inputs, outputs=chatbot)
 
         gr.Examples(examples=question_examples, inputs=message_input)
-        gr.Markdown("<div style='text-align: center; font-size: 0.9em; color: #999;'>This demo is for research purposes only and does not provide medical advice.</div>")
+        gr.Markdown("<p style='font-size: 12px; text-align: center; color: gray;'>This demo is for research purposes only and does not provide medical advice.</p>")
 
     return demo
 
-# Main
+# === Entry point
 if __name__ == "__main__":
     freeze_support()
     try:
@@ -166,5 +138,5 @@ if __name__ == "__main__":
         demo.queue().launch(server_name="0.0.0.0", server_port=7860, share=True, show_error=True)
 
     except Exception as e:
-        print(f"❌ App failed to start: {e}")
-        raise
+        print(f"\u274c App failed to start: {e}")
+        raise