feat(ai): localize AI features

keep-notes/components/settings/SettingToggle.tsx

@@ -6,6 +6,7 @@ import { Label } from '@/components/ui/label'
 import { Loader2, Check, X } from 'lucide-react'
 import { cn } from '@/lib/utils'
 import { toast } from 'sonner'
+import { useLanguage } from '@/lib/i18n'
 
 interface SettingToggleProps {
   label: string
@@ -22,6 +23,7 @@ export function SettingToggle({
   onChange,
   disabled
 }: SettingToggleProps) {
+  const { t } = useLanguage()
   const [isLoading, setIsLoading] = useState(false)
   const [error, setError] = useState(false)
 
@@ -31,15 +33,11 @@ export function SettingToggle({
 
     try {
       await onChange(newChecked)
-      toast.success('Setting saved', {
-        description: `${label} has been ${newChecked ? 'enabled' : 'disabled'}`
-      })
+      toast.success(t('toast.saved'))
     } catch (err) {
       console.error('Error updating setting:', err)
       setError(true)
-      toast.error('Failed to save setting', {
-        description: 'Please try again'
-      })
+      toast.error(t('toast.saveFailed'))
     } finally {
       setIsLoading(false)
     }