Update app.py

app.py

@@ -176,6 +176,7 @@ if "shortcuts" not in st.session_state:
 def main():
     st.set_page_config(page_title="Multi-Search Application", layout="wide")
 
+
         # **Show Saved Shortcuts**
     st.header("Multimodal Query Processing & Knowledge Retrieval Sys")
     with st.expander("Click to View Shortcuts"):
@@ -202,6 +203,9 @@ def main():
 
     st.markdown("Note: Add best web links for student education purposes.")
 
+    if "query" not in st.session_state:
+        st.session_state.query = ""
+
     # Initialize chat history if not present
     if "chat_history" not in st.session_state:
         st.session_state.chat_history = []