claude refactorings, flutter best practices, platform dependent changes, general cleanup

pubspec.yaml

@@ -7,6 +7,7 @@ version: 0.1.7+46
 environment:
   sdk: ">=3.8.0 <4.0.0"
 
+# nextcloud (custom Git fork) pins intl ^0.18.0; Flutter 3.41 needs ^0.20.2.
 dependency_overrides:
   intl: 0.20.2
 
@@ -17,33 +18,22 @@ dependencies:
   flutter_localizations:
     sdk: flutter
 
-  animated_digit: ^3.2.3
   async: ^2.11.0
   badges: ^3.1.2
-  bloc: ^9.0.0
-  bottom_sheet: ^4.0.4
-  bubble: ^1.2.1
   cached_network_image: ^3.4.1
   collection: ^1.19.0
   connectivity_plus: ^7.1.0
   crypto: ^3.0.6
-  cupertino_icons: ^1.0.8
   device_info_plus: ^12.4.0
-  dio: ^4.0.6
-  easy_debounce: ^2.0.3
+  dio: ^5.9.2
   emoji_picker_flutter: ^4.3.0
-  fast_rsa: ^3.7.1
-  file_picker: ^10.3.2
+  file_picker: ^11.0.2
   filesize: ^2.0.1
   firebase_core: ^4.1.0
-  firebase_in_app_messaging: ^0.9.0+1
   firebase_messaging: ^16.0.1
-  flowder:
-    git:
-      url: https://github.com/Harsh223/flowder.git
   flutter_app_badge: ^2.0.2
   flutter_bloc: ^9.0.0
-  flutter_secure_storage: ^9.2.4
+  flutter_secure_storage: ^10.0.0
   intl: ^0.20.2
   flutter_linkify: ^6.0.0
   flutter_local_notifications: ^21.0.0
@@ -68,22 +58,18 @@ dependencies:
   open_filex: ^4.7.0
   package_info_plus: ^9.0.1
   path_provider: ^2.1.5
-  permission_handler: ^12.0.1
   persistent_bottom_nav_bar_v2: ^6.1.0
   photo_view: ^0.15.0
-  pretty_json: ^2.0.0
-  provider: ^6.1.2
   qr_flutter: ^4.1.0
   rrule: ^0.2.17
   rrule_generator: ^0.9.0
   screen_brightness: ^2.1.7
   share_plus: ^12.0.2
   shared_preferences: ^2.3.5
-  syncfusion_flutter_calendar: ^33.1.46
-  syncfusion_flutter_pdfviewer: ^33.1.46
+  syncfusion_flutter_calendar: ^33.2.5
+  syncfusion_flutter_pdfviewer: ^33.2.5
   time_range_picker: ^2.3.0
   url_launcher: ^6.3.1
-  uuid: ^4.5.1
   enough_icalendar: ^0.17.0
 
 dev_dependencies: