Add an animated AI icon for Scribe in desktop web

I moved the previous static icon in its own component and created a component that manage the loading of the appropriate icon: static or dynamic.

core/lib/presentation/resources/image_paths.dart

@@ -247,6 +247,7 @@ class ImagePaths {
   String get icFileDownload => _getImagePath('ic_file_download.svg');
   String get icTwakeWorkplace => _getIconPath('icon_twp.png');
   String get animLottieTmail => _getAnimationPath('lottie-tmail.json');
+  String get animLottieScribe => _getAnimationPath('lottie-scribe.json');
   String get icExpandArrows => _getImagePath('ic_expand_arrows.svg');
   String get icPremium => _getImagePath('ic_premium.svg');
   String get icCloud => _getImagePath('ic_cloud.svg');

scribe/lib/scribe/ai/presentation/widgets/button/ai_assistant_animated_button.dart

@@ -0,0 +1,70 @@
+import 'package:core/presentation/resources/image_paths.dart';
+import 'package:core/presentation/views/container/tmail_container_widget.dart';
+import 'package:flutter/material.dart';
+import 'package:lottie/lottie.dart';
+import 'package:scribe/scribe.dart';
+
+class AiAssistantAnimatedButton extends StatefulWidget {
+  final ImagePaths imagePaths;
+  final void Function() onTapActionCallback;
+  final EdgeInsetsGeometry? margin;
+
+  const AiAssistantAnimatedButton({
+    super.key,
+    required this.imagePaths,
+    required this.onTapActionCallback,
+    this.margin,
+  });
+
+  @override
+  State<AiAssistantAnimatedButton> createState() =>
+      _AiAssistantAnimatedButtonState();
+}
+
+class _AiAssistantAnimatedButtonState extends State<AiAssistantAnimatedButton>
+    with TickerProviderStateMixin {
+  late AnimationController _animationController;
+
+  @override
+  void initState() {
+    super.initState();
+    _animationController = AnimationController(vsync: this);
+  }
+
+  @override
+  void dispose() {
+    _animationController.dispose();
+    super.dispose();
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return TMailContainerWidget(
+      margin: widget.margin,
+      padding: AIScribeSizes.aiAssistantIconPadding,
+      backgroundColor: Colors.transparent,
+      borderRadius: AIScribeSizes.aiAssistantIconRadius,
+      tooltipMessage: ScribeLocalizations.of(context).aiAssistant,
+      onTapActionCallback: widget.onTapActionCallback,
+      child: MouseRegion(
+        cursor: SystemMouseCursors.click,
+        onEnter: (event) {
+          _animationController.forward();
+        },
+        onExit: (event) {
+          _animationController.reset();
+        },
+        child: Lottie.asset(
+          widget.imagePaths.animLottieScribe,
+          width: AIScribeSizes.aiAssistantIcon,
+          height: AIScribeSizes.aiAssistantIcon,
+          fit: BoxFit.fill,
+          controller: _animationController,
+          onLoaded: (composition) {
+            _animationController.duration = composition.duration;
+          },
+        ), 
+      ),
+    );
+  }
+}

scribe/lib/scribe/ai/presentation/widgets/button/ai_assistant_button.dart

@@ -1,7 +1,8 @@
 import 'package:core/presentation/resources/image_paths.dart';
-import 'package:core/presentation/views/button/tmail_button_widget.dart';
+import 'package:core/utils/platform_info.dart';
 import 'package:flutter/material.dart';
-import 'package:scribe/scribe.dart';
+import 'ai_assistant_animated_button.dart';
+import 'ai_assistant_static_button.dart';
 
 typedef OnOpenAiAssistantModal = void Function(
   Offset? position,
@@ -24,17 +25,20 @@ class AiAssistantButton extends StatelessWidget {
 
   @override
   Widget build(BuildContext context) {
-    return TMailButtonWidget.fromIcon(
-      icon: imagePaths.icGradientSparkle,
-      padding: AIScribeSizes.aiAssistantIconPadding,
-      backgroundColor: Colors.transparent,
-      iconSize: AIScribeSizes.aiAssistantIcon,
-      iconColor: iconColor,
-      margin: margin,
-      borderRadius: AIScribeSizes.aiAssistantIconRadius,
-      tooltipMessage: ScribeLocalizations.of(context).aiAssistant,
-      onTapActionCallback: () => _onTapActionCallback(context),
-    );
+    if (PlatformInfo.isWebDesktop) {
+      return AiAssistantAnimatedButton(
+        imagePaths: imagePaths,
+        onTapActionCallback: () => _onTapActionCallback(context),
+        margin: margin,
+      );
+    } else {
+      return AiAssistantStaticButton(
+        imagePaths: imagePaths,
+        onTapActionCallback: () => _onTapActionCallback(context),
+        iconColor: iconColor,
+        margin: margin,
+      );
+    }
   }
 
   void _onTapActionCallback(BuildContext context) {

scribe/lib/scribe/ai/presentation/widgets/button/ai_assistant_static_button.dart

@@ -0,0 +1,34 @@
+import 'package:core/presentation/resources/image_paths.dart';
+import 'package:core/presentation/views/button/tmail_button_widget.dart';
+import 'package:flutter/material.dart';
+import 'package:scribe/scribe.dart';
+
+class AiAssistantStaticButton extends StatelessWidget {
+  final ImagePaths imagePaths;
+  final void Function() onTapActionCallback;
+  final Color? iconColor;
+  final EdgeInsetsGeometry? margin;
+
+  const AiAssistantStaticButton({
+    super.key,
+    required this.imagePaths,
+    required this.onTapActionCallback,
+    this.iconColor,
+    this.margin,
+  });
+
+  @override
+  Widget build(BuildContext context) {
+    return TMailButtonWidget.fromIcon(
+      icon: imagePaths.icGradientSparkle,
+      padding: AIScribeSizes.aiAssistantIconPadding,
+      backgroundColor: Colors.transparent,
+      iconSize: AIScribeSizes.aiAssistantIcon,
+      iconColor: iconColor,
+      margin: margin,
+      borderRadius: AIScribeSizes.aiAssistantIconRadius,
+      tooltipMessage: ScribeLocalizations.of(context).aiAssistant,
+      onTapActionCallback: onTapActionCallback,
+    );
+  }
+}