Update app.py

app.py

@@ -63,8 +63,12 @@ def navigate(screenshot, task: str, platform: str, history):
             f"## User Instruction\n{task}"
         )
     current = {"role":"user","content":[{"type":"text","text":prompt_header},{"type": "image_url", "image_url":screenshot}]}
-    messages.append(current)
-    print(messages)
+    if len(history)==0:
+        messages.append(current)
+    else:
+        current = {"role":"user","content":[{"type":"text","text":task},{"type": "image_url", "image_url":screenshot}]}
+        messages.append(current)
+    
 
     # ─────────────────────────── model forward ─────────────────────────────
     
@@ -82,6 +86,7 @@ def navigate(screenshot, task: str, platform: str, history):
     )
     print("\nimages\n:",images)
     print("\ntext\n",text)
+    print("\nmessages\n",messages)
     inputs = processor(
         text=[text],
         images=images,