feat: complete Simple Mode contextual routing and navigation state synchronization

lib/data/local/models/app_settings.dart

@@ -62,6 +62,9 @@ class AppSettings extends HiveObject {
   @HiveField(18)
   bool showTerjemahan;
 
+  @HiveField(19)
+  bool simpleMode; // false = Mode Lengkap, true = Mode Simpel
+
   AppSettings({
     this.userName = 'User',
     this.userEmail = '',
@@ -82,6 +85,7 @@ class AppSettings extends HiveObject {
     this.trackPuasa = false,
     this.showLatin = true,
     this.showTerjemahan = true,
+    this.simpleMode = false,
   })  : adhanEnabled = adhanEnabled ??
             {
               'fajr': true,