chore(app): update config, dependencies, storybook, and app shell

.storybook/preview.ts

@@ -1,11 +1,74 @@
 import type { Preview } from '@storybook/svelte-vite';
 import Decorator from './Decorator.svelte';
 import StoryStage from './StoryStage.svelte';
+import ThemeDecorator from './ThemeDecorator.svelte';
 import '../src/app/styles/app.css';
 
 const preview: Preview = {
+    globalTypes: {
+        viewport: {
+            description: 'Viewport size for responsive design',
+            defaultValue: 'widgetWide',
+            toolbar: {
+                icon: 'view',
+                items: [
+                    {
+                        value: 'reset',
+                        icon: 'refresh',
+                        title: 'Reset viewport',
+                    },
+                    {
+                        value: 'mobile1',
+                        icon: 'mobile',
+                        title: 'iPhone 5/SE',
+                    },
+                    {
+                        value: 'mobile2',
+                        icon: 'mobile',
+                        title: 'iPhone 14 Pro Max',
+                    },
+                    {
+                        value: 'tablet',
+                        icon: 'tablet',
+                        title: 'iPad (Portrait)',
+                    },
+                    {
+                        value: 'desktop',
+                        icon: 'desktop',
+                        title: 'Desktop (Small)',
+                    },
+                    {
+                        value: 'widgetMedium',
+                        icon: 'view',
+                        title: 'Widget Medium',
+                    },
+                    {
+                        value: 'widgetWide',
+                        icon: 'view',
+                        title: 'Widget Wide',
+                    },
+                    {
+                        value: 'widgetExtraWide',
+                        icon: 'view',
+                        title: 'Widget Extra Wide',
+                    },
+                    {
+                        value: 'fullWidth',
+                        icon: 'view',
+                        title: 'Full Width',
+                    },
+                    {
+                        value: 'fullScreen',
+                        icon: 'expand',
+                        title: 'Full Screen',
+                    },
+                ],
+                dynamicTitle: true,
+            },
+        },
+    },
     parameters: {
-        layout: 'fullscreen',
+        layout: 'padded',
         controls: {
             matchers: {
                 color: /(background|color)$/i,
@@ -23,7 +86,79 @@ const preview: Preview = {
         docs: {
             story: {
                 // This sets the default height for the iframe in Autodocs
-                iframeHeight: '400px',
+                iframeHeight: '600px',
+            },
+        },
+
+        viewport: {
+            viewports: {
+                // Mobile devices
+                mobile1: {
+                    name: 'iPhone 5/SE',
+                    styles: {
+                        width: '320px',
+                        height: '568px',
+                    },
+                },
+                mobile2: {
+                    name: 'iPhone 14 Pro Max',
+                    styles: {
+                        width: '414px',
+                        height: '896px',
+                    },
+                },
+                // Tablet
+                tablet: {
+                    name: 'iPad (Portrait)',
+                    styles: {
+                        width: '834px',
+                        height: '1112px',
+                    },
+                },
+                desktop: {
+                    name: 'Desktop (Small)',
+                    styles: {
+                        width: '1024px',
+                        height: '1280px',
+                    },
+                },
+                // Widget-specific viewports
+                widgetMedium: {
+                    name: 'Widget Medium',
+                    styles: {
+                        width: '768px',
+                        height: '800px',
+                    },
+                },
+                widgetWide: {
+                    name: 'Widget Wide',
+                    styles: {
+                        width: '1024px',
+                        height: '800px',
+                    },
+                },
+                widgetExtraWide: {
+                    name: 'Widget Extra Wide',
+                    styles: {
+                        width: '1280px',
+                        height: '800px',
+                    },
+                },
+                // Full-width viewports
+                fullWidth: {
+                    name: 'Full Width',
+                    styles: {
+                        width: '100%',
+                        height: '800px',
+                    },
+                },
+                fullScreen: {
+                    name: 'Full Screen',
+                    styles: {
+                        width: '100%',
+                        height: '100%',
+                    },
+                },
             },
         },
 
@@ -45,6 +180,13 @@ const preview: Preview = {
     },
 
     decorators: [
+        // Outermost: initialize ThemeManager for all stories
+        story => ({
+            Component: ThemeDecorator,
+            props: {
+                children: story(),
+            },
+        }),
         // Wrap with providers (TooltipProvider, ResponsiveManager)
         story => ({
             Component: Decorator,