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

lib/widget/animated_time.dart

@@ -1,6 +1,5 @@
 import 'dart:async';
 
-import 'package:animated_digit/animated_digit.dart';
 import 'package:flutter/material.dart';
 
 class AnimatedTime extends StatefulWidget {
@@ -42,14 +41,18 @@ class _AnimatedTimeState extends State<AnimatedTime> {
       ],
     );
 
-  AnimatedDigitWidget buildWidget(int value) => AnimatedDigitWidget(
-      value: value,
-      duration: const Duration(milliseconds: 100),
-      textStyle: TextStyle(
-        fontSize: 15,
-        color: Theme.of(context).colorScheme.onSurface,
-      ),
-    );
+  Widget buildWidget(int value) => AnimatedSwitcher(
+        duration: const Duration(milliseconds: 100),
+        transitionBuilder: (child, animation) => FadeTransition(opacity: animation, child: child),
+        child: Text(
+          '$value',
+          key: ValueKey<int>(value),
+          style: TextStyle(
+            fontSize: 15,
+            color: Theme.of(context).colorScheme.onSurface,
+          ),
+        ),
+      );
 
   @override
   void dispose() {