[fix] resolve @ symbol parsing errors in extension tooltips (#4100)

src/components/dialog/content/setting/SettingItem.spec.ts

@@ -54,4 +54,21 @@ describe('SettingItem', () => {
       { text: 'Correctly Translated', value: 'Correctly Translated' }
     ])
   })
+
+  it('handles tooltips with @ symbols without errors', () => {
+    const wrapper = mountComponent({
+      setting: {
+        id: 'TestSetting',
+        name: 'Test Setting',
+        type: 'boolean',
+        tooltip:
+          'This will load a larger version of @mtb/markdown-parser that bundles shiki'
+      }
+    })
+
+    // Should not throw an error and tooltip should be preserved as-is
+    expect(wrapper.vm.formItem.tooltip).toBe(
+      'This will load a larger version of @mtb/markdown-parser that bundles shiki'
+    )
+  })
 })