feat: linebot

1. change query today

app/Linebot_handler/Expense.py

@@ -226,7 +226,7 @@ def query_today(line_user_id: str) -> str:
         """)
         rows = db.execute(sql, {"user_id": user_id}).fetchall()
 
-        data_list = [dict(row) if hasattr(row, '_mapping') else row for row in rows]
+        data_list = []
         total = 0.0
 
         for r in rows:
@@ -234,9 +234,10 @@ def query_today(line_user_id: str) -> str:
             amt = float(r.total_amount)
             total += amt
             
-            # 抓取顯示名稱與備註
-            name = r.display_name if hasattr(r, 'display_name') else r.item_name
-            note_str = f"（{r.note}）" if hasattr(r, 'note') and r.note else ""
+            # 判斷是否有 display_name (從 mapping 來的)，沒有就用原始 item_name
+            name = getattr(r, 'display_name', r.item_name)
+            note_val = getattr(r, 'note', "")
+            note_str = f"（{note_val}）" if note_val else ""
             
             data_list.append({
                 "name": name,