feat: add two-tab timetable UI and glass dock

mobile/lib/domain/app_snapshot.dart

@@ -79,8 +79,9 @@ class AppSnapshot {
       }
       final s = Map<String, dynamic>.from(json['settings'] as Map);
       final minutes = s['reminderMinutes'] as int;
-      if (![5, 10, 15, 30, 60].contains(minutes))
+      if (![5, 10, 15, 30, 60].contains(minutes)) {
         throw const FormatException('提醒时间无效');
+      }
       final color = s['singleColorArgb'] as int;
       if (color < 0 || color > 0xFFFFFFFF) throw const FormatException('颜色无效');
       final sem = s['semester'];

mobile/lib/domain/course.dart

@@ -49,8 +49,9 @@ class Course {
       }
 
       final rawWeeks = json['weeks'];
-      if (rawWeeks is! List || rawWeeks.any((w) => w is! int))
+      if (rawWeeks is! List || rawWeeks.any((w) => w is! int)) {
         throw const FormatException('周次必须是整数数组');
+      }
       return Course(
         id: text('id'),
         name: text('name'),