スナック見えない

main.py

@@ -723,7 +723,9 @@ class FlutterStyleDashboard:
                 self.open_invoice_edit(slip)
 
         def on_long_press(_):
-            self.show_context_menu(slip)
+            # 長押しは直接編集画面へ（ビューワではなく編集）
+            logging.info(f"long_press -> open_invoice_edit: {getattr(slip, 'invoice_number', 'unknown')}")
+            self.open_invoice_edit(slip)
 
         show_offset_button = isinstance(slip, Invoice) and self.can_create_offset_invoice(slip)
 
@@ -972,7 +974,9 @@ class FlutterStyleDashboard:
         self.selected_customer = invoice.customer
         self.selected_document_type = invoice.document_type
         self.amount_value = str(invoice.items[0].unit_price if invoice.items else "0")
-        self.is_detail_edit_mode = False  # 初期はビューモード
+        self.is_detail_edit_mode = True   # 編集モードで開く
+        self.is_customer_picker_open = False
+        self.is_new_customer_form_open = False
         self.current_tab = 1  # 詳細編集タブに切り替え
         self.update_main_content()
     
@@ -1623,7 +1627,12 @@ class FlutterStyleDashboard:
 
     def _show_snack(self, message: str, color=ft.Colors.BLUE_GREY_800):
         try:
-            self.page.snack_bar = ft.SnackBar(content=ft.Text(message), bgcolor=color)
+            snack = ft.SnackBar(content=ft.Text(message), bgcolor=color)
+            # prefer show_snack_bar API if available (more reliable on web)
+            if hasattr(self.page, "show_snack_bar"):
+                self.page.show_snack_bar(snack)
+            else:
+                self.page.snack_bar = snack
                 self.page.snack_bar.open = True
                 self.page.update()
         except Exception as e:

services/app_service.py

@@ -403,6 +403,14 @@ class CustomerService:
             logging.error(f"新規顧客登録失敗: {formal_name}")
             return 0  # 失敗時は0を返す
 
+    def update_customer(self, customer: Customer) -> bool:
+        """顧客を更新し、キャッシュをリフレッシュ"""
+        success = self.customer_repo.update_customer(customer)
+        if success:
+            # キャッシュを再読み込み
+            self._load_customers()
+        return success
+
     def _load_customers(self):
         """顧客データを読み込み"""
         self._customer_cache = self.customer_repo.get_all_customers()