fix

apps/mobile/packages/features/staff/authentication/lib/src/presentation/widgets/phone_verification_page/otp_verification/otp_input_field.dart

@@ -1,4 +1,3 @@
-// ignore_for_file: always_specify_types, depend_on_referenced_packages, dead_code, dead_null_aware_expression, unused_local_variable, unused_import, sort_constructors_first, prefer_final_fields, prefer_const_constructors, deprecated_member_use, implicit_call_tearoffs, implementation_imports
 import 'package:design_system/design_system.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
@@ -30,27 +29,24 @@ class OtpInputField extends StatefulWidget {
 }
 
 class _OtpInputFieldState extends State<OtpInputField> {
-  final List<TextEditingController> _controllers = List.generate(
+  final List<TextEditingController> _controllers = List<TextEditingController>.generate(
     6,
-    (_) => TextEditingController(),
+    (int _) => TextEditingController(),
   );
-  final List<FocusNode> _focusNodes = List.generate(6, (_) => FocusNode());
+  final List<FocusNode> _focusNodes = List<FocusNode>.generate(6, (int _) => FocusNode());
 
   /// Hidden field for E2E: Maestro inputText sends full OTP in one call;
   /// the 6 visible boxes have maxLength:1 and would truncate.
-  late final TextEditingController _hiddenController;
   late final FocusNode _hiddenFocusNode;
 
   @override
   void initState() {
     super.initState();
-    _hiddenController = TextEditingController();
     _hiddenFocusNode = FocusNode();
   }
 
   @override
   void dispose() {
-    _hiddenController.dispose();
     _hiddenFocusNode.dispose();
     for (final TextEditingController controller in _controllers) {
       controller.dispose();
@@ -111,7 +107,7 @@ class _OtpInputFieldState extends State<OtpInputField> {
             children: <Widget>[
               Row(
                 mainAxisAlignment: MainAxisAlignment.spaceBetween,
-                children: List.generate(6, (int index) {
+                children: List<Widget>.generate(6, (int index) {
                   final TextField field = TextField(
                       controller: _controllers[index],
                       focusNode: _focusNodes[index],
@@ -157,7 +153,6 @@ class _OtpInputFieldState extends State<OtpInputField> {
                   child: Opacity(
                     opacity: 0.01,
                     child: TextField(
-                      controller: _hiddenController,
                       focusNode: _hiddenFocusNode,
                       keyboardType: TextInputType.number,
                       inputFormatters: <TextInputFormatter>[