[feat] Enhance Storybook stories for UI components

- Update MoreButton story with transparent button styling and icon sizes
- Add new controls to MultiSelect story for searchBar, selectedCount, and clearButton
- Add hasBorder control to SearchBox story for border customization

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

src/components/button/MoreButton.stories.ts

@@ -24,22 +24,22 @@ export const Basic: Story = {
         <MoreButton>
           <template #default="{ close }">
             <IconTextButton
-              type="secondary"
+              type="transparent"
               label="Settings"
               @click="() => { close() }"
             >
               <template #icon>
-                <Download />
+                <Download :size="16" />
               </template>
             </IconTextButton>
 
             <IconTextButton
-              type="primary"
+              type="transparent"
               label="Profile"
               @click="() => { close() }"
             >
               <template #icon>
-                <ScrollText />
+                <ScrollText :size="16" />
               </template>
             </IconTextButton>
           </template>

src/components/input/MultiSelect.stories.ts

@@ -13,6 +13,21 @@ const meta: Meta<typeof MultiSelect> = {
     },
     options: {
       control: 'object'
+    },
+    hasSearchBox: {
+      control: 'boolean',
+      description: 'Toggle searchBar visibility'
+    },
+    showSelectedCount: {
+      control: 'boolean',
+      description: 'Toggle selected count visibility'
+    },
+    hasClearButton: {
+      control: 'boolean',
+      description: 'Toggle clear button visibility'
+    },
+    searchPlaceholder: {
+      control: 'text'
     }
   }
 }

src/components/input/SearchBox.stories.ts

@@ -10,6 +10,10 @@ const meta: Meta<typeof SearchBox> = {
   argTypes: {
     placeHolder: {
       control: 'text'
+    },
+    hasBorder: {
+      control: 'boolean',
+      description: 'Toggle border prop'
     }
   }
 }