Update src/app.py

src/app.py

@@ -534,6 +534,25 @@ with tab2:
     
     # DB MANAGER
     st.subheader("Database Management")
+    # 1. RESYNC BUTTON (The Fix)
+    col_db_1, col_db_2 = st.columns([2, 1])
+    with col_db_1:
+        st.info("If Quiz Mode is failing, your local files might be missing (due to restart).")
+    with col_db_2:
+        if st.button("🔄 Resync from Pinecone"):
+            if not st.session_state.active_index:
+                st.error("Select Index first.")
+            else:
+                with st.spinner("Downloading memories from Pinecone..."):
+                    ok, msg = rag_engine.rebuild_cache_from_pinecone(
+                        st.session_state.username, 
+                        st.session_state.active_index
+                    )
+                    if ok: st.success(msg); time.sleep(1); st.rerun()
+                    else: st.error(msg)
+    st.divider()
+
+    # 2. FILE LIST
     # This reads from local cache so no index needed
     docs = rag_engine.list_documents(st.session_state.username) 
     
@@ -545,12 +564,11 @@ with tab2:
                 if not st.session_state.active_index:
                     st.error("Select Index first.")
                 else:
-                    # FIXED: Added index_name parameter
                     rag_engine.delete_document(st.session_state.username, d['source'], st.session_state.active_index)
                     tracker.upload_user_db(st.session_state.username)
                     st.rerun()
     else:
-        st.info("Database Empty (No cached files found).")
+        st.warning("Local Cache Empty. Click 'Resync' above if you have data in Pinecone.")
 
 # === TAB 3: QUIZ MODE ===
 with tab3: