抽出舊有demo制，並添加一個新的制專for醫療紀錄

Author: laushing

lib/l10n/app_en.arb

@@ -1621,5 +1621,7 @@
     "guidecalendarBody3": "User can input event select date and time",
     "@guideWelcomeDescription": {
         "description": "User can input event select date and time"
-    }
+    },
+    "photoDemoActive": "Photo Demo Active",
+    "@photoDemoActive": {}
 }

lib/l10n/app_localizations.dart

@@ -2116,6 +2116,12 @@ abstract class AppLocalizations {
   /// In en, this message translates to:
   /// **'User can input event select date and time'**
   String get guidecalendarBody3;
+
+  /// No description provided for @photoDemoActive.
+  ///
+  /// In en, this message translates to:
+  /// **'Photo Demo Active'**
+  String get photoDemoActive;
 }
 
 class _AppLocalizationsDelegate extends LocalizationsDelegate<AppLocalizations> {

lib/l10n/app_localizations_en.dart

@@ -1067,4 +1067,7 @@ class AppLocalizationsEn extends AppLocalizations {
 
   @override
   String get guidecalendarBody3 => 'User can input event select date and time';
+
+  @override
+  String get photoDemoActive => 'Photo Demo Active';
 }

lib/l10n/app_localizations_zh.dart

@@ -1066,4 +1066,7 @@ class AppLocalizationsZh extends AppLocalizations {
 
   @override
   String get guidecalendarBody3 => '記錄備忘並標住時間和提醒時間';
+
+  @override
+  String get photoDemoActive => '啟用照片演示模式';
 }

lib/l10n/app_zh.arb

@@ -385,6 +385,7 @@
     "description": "描述 Dr.AI 作為醫療助手可以做什麼"
   },
   "viewIntroduction": "查看介紹",
+  "photoDemoActive": "啟用照片演示模式",
   "guideVaccineRecordBenefits": "疫苗記錄功能的好處包括：\n• 系統化管理疫苗接種記錄\n• 提供接種日期、地點及劑次的詳細資訊\n• 支援上傳及查看疫苗接種照片\n• 可新增、編輯及刪除疫苗記錄\n• 幫助追蹤接種歷史，方便醫療諮詢",
   "bmiFunctionDescription": "BMI 計算功能的好處包括：\n• 提供準確的 BMI 指數計算\n• 根據年齡和性別提供個性化的 BMI 分類標準\n• 支援亞洲標準和 WHO 標準的 BMI 分類\n• 提供健康建議以改善體重狀況\n• 幫助用戶追蹤健康狀況，促進健康生活方式\n\n請注意：BMI 僅供參考，具體健康建議請諮詢專業醫師。"
 }

lib/widgets/widgets_screens/widgets_settings/widget_interface.dart

@@ -175,7 +175,17 @@ class _WidgetInterfaceState extends State<WidgetInterface> {
                         widget.prefs.getBool("demoModeEnabled") ?? false,
                         (value) {
                            widget.prefs.setBool("demoModeEnabled", value);
-                           OcrService.toggleDemoMode(enable: value);
+                //           OcrService.toggleDemoMode(enable: value);
+                        },
+                      ),
+
+                      _buildToggle(
+                        context,
+                        AppLocalizations.of(context)!.photoDemoActive,
+                        widget.prefs.getBool("photoDemoActive") ?? false,
+                        (value) {
+                          widget.prefs.setBool("photoDemoActive", value);
+                          OcrService.toggleDemoMode(enable: value);
                         },
                       ),