Update app.py

app.py

@@ -74,6 +74,11 @@ column_configs = {
 }
 
 # --- Use st.data_editor for editable table ---
+# Track previous data
+if "prev_data" not in st.session_state:
+    st.session_state.prev_data = []
+
+# Show editable table
 edited_df = st.data_editor(
     df,
     use_container_width=True,
@@ -81,16 +86,20 @@ edited_df = st.data_editor(
     column_config=column_configs,
 )
 
-# --- Save updated data ---
+# Save only if data has changed
 if edited_df is not None:
-    st.session_state.data = edited_df.fillna("").to_dict(orient="records")
+    new_data = edited_df.fillna("").to_dict(orient="records")
 
-    # Save to temp file
-    with open(TMP_FILE, "w", encoding="utf-8") as f:
-        for item in st.session_state.data:
-            f.write(json.dumps(item, ensure_ascii=False) + "\n")
+    if new_data != st.session_state.prev_data:
+        st.session_state.data = new_data
+        st.session_state.prev_data = new_data
+
+        with open(TMP_FILE, "w", encoding="utf-8") as f:
+            for item in new_data:
+                f.write(json.dumps(item, ensure_ascii=False) + "\n")
+
+        st.toast("✅ Auto-saved changes!", icon="💾")
 
-    st.toast("✅ Changes auto-saved!", icon="💾")
 
 # --- Add New Entry ---
 st.markdown("### ➕ Add New Entry")