Update app.py

app.py

@@ -12,7 +12,7 @@ import asyncio
 import traceback
 
 import gradio as gr
-import spaces  # <-- ADDED: required for ZeroGPU
+import spaces  # required for ZeroGPU
 
 
 # ============================================================
@@ -490,8 +490,9 @@ async def do_research(
         question
     ).strip():
 
+        # Return empty history (list of dicts) and empty messages
         return (
-            [],
+            [],  # chat history as list of dicts
             "⚪ Enter a question to start.",
             "",
             "",
@@ -588,19 +589,12 @@ async def do_research(
         )
 
         # ----------------------------------------------------
-        # OLD-COMPATIBLE GRADIO CHAT FORMAT
-        #
-        # IMPORTANT:
-        # No type="messages".
-        # This works with the Gradio version shown
-        # in the uploaded Space logs.
+        # CHAT HISTORY – MUST BE LIST OF DICTS
         # ----------------------------------------------------
 
         history = [
-            (
-                question,
-                answer,
-            )
+            {"role": "user", "content": question},
+            {"role": "assistant", "content": answer},
         ]
 
         return (
@@ -637,10 +631,8 @@ async def do_research(
         )
 
         history = [
-            (
-                question,
-                error,
-            )
+            {"role": "user", "content": question},
+            {"role": "assistant", "content": error},
         ]
 
         return (
@@ -656,7 +648,7 @@ async def do_research(
 # GRADIO SYNC WRAPPER – DECORATED FOR ZEROGPU
 # ============================================================
 
-@spaces.GPU  # <-- ADDED: required for ZeroGPU allocation
+@spaces.GPU
 def run_research(
     question,
     max_results,
@@ -792,6 +784,7 @@ with gr.Blocks(
             scale=7,
         ):
 
+            # Chatbot – no 'type' argument; Gradio defaults to "messages" format (dicts)
             chatbot = gr.Chatbot(
                 label="X-RUDRA",
                 height=600,