update init vector_store

app.py

@@ -65,6 +65,8 @@ def main():
     initialize_session_state()
     get_data()
 
+    vector_store = None  # Inisialisasi dulu
+
     if len(st.session_state['history']) == 0:
         if vector_store_is_outdated():
             docs = load_docs()
@@ -75,16 +77,20 @@ def main():
             else:
                 st.warning("Tidak ada dokumen ditemukan di folder 'data/'. Chatbot tetap bisa digunakan, tapi tanpa konteks dokumen.")
                 vector_store = None
+        else:
+            # Jika vector_store tidak outdated dan history kosong,
+            # harus tetap load vector_store dari penyimpanan
+            vector_store = load_vector_store()
     else:
         vector_store = load_vector_store()
 
     st.session_state['vector_store'] = vector_store
 
-
     if st.session_state['vector_store'] is not None:
         chain = create_conversational_chain(st.session_state['vector_store'])
         display_chat_history(chain)
 
+
 if __name__ == "__main__":
     main()