Create utils/session_state.py

utils/session_state.py

@@ -0,0 +1,17 @@
+# src/utils/session_state.py
+import streamlit as st
+
+def initialize_session_state():
+    """Initialize session state variables"""
+    session_vars = {
+        'chat_history': [],
+        'current_chat': False,
+        'selected_docs': [],
+        'qa_system': None,
+        'documents_initialized': False,
+        'processed_files': set()
+    }
+    
+    for var, default_value in session_vars.items():
+        if var not in st.session_state:
+            st.session_state[var] = default_value