Update web_gui/streamlit.py

web_gui/streamlit.py

@@ -529,14 +529,10 @@ if mode == "RAG Chat":
         
 ###### Added Search engine logic
 if mode == "Search engine":
-
-    # 🔥 FORCE RESET OLD ENGINE (IMPORTANT)
-    if "tfidf_engine" in st.session_state:
-        del st.session_state["tfidf_engine"]
-
-    engine = SimpleSearchEngine(corpus_dir="corpus")
-    engine.build_index()
-    st.session_state["tfidf_engine"] = engine
+    if "tfidf_engine" not in st.session_state:
+        engine = SimpleSearchEngine(corpus_dir="corpus")
+        engine.build_index()
+        st.session_state["tfidf_engine"] = engine
 
     st.title("Search Engine")
 
@@ -557,4 +553,4 @@ if mode == "Search engine":
                 if r.get("url"):
                     st.markdown(r["url"])
 
-                st.divider()
+                st.divider()