feat(ai): localize AI features

keep-notes/components/settings/SettingInput.tsx

@@ -5,6 +5,7 @@ import { Label } from '@/components/ui/label'
 import { Loader2, Check } from 'lucide-react'
 import { cn } from '@/lib/utils'
 import { toast } from 'sonner'
+import { useLanguage } from '@/lib/i18n'
 
 interface SettingInputProps {
   label: string
@@ -25,6 +26,7 @@ export function SettingInput({
   placeholder,
   disabled
 }: SettingInputProps) {
+  const { t } = useLanguage()
   const [isLoading, setIsLoading] = useState(false)
   const [isSaved, setIsSaved] = useState(false)
 
@@ -35,15 +37,12 @@ export function SettingInput({
     try {
       await onChange(newValue)
       setIsSaved(true)
-      toast.success('Setting saved')
+      toast.success(t('toast.saved'))
 
-      // Clear saved indicator after 2 seconds
       setTimeout(() => setIsSaved(false), 2000)
     } catch (err) {
       console.error('Error updating setting:', err)
-      toast.error('Failed to save setting', {
-        description: 'Please try again'
-      })
+      toast.error(t('toast.saveFailed'))
     } finally {
       setIsLoading(false)
     }