fix: widget settings auto-save with debounce

src/pages/BookingWidgetPage.tsx

@@ -1121,6 +1121,7 @@ export function BookingWidgetPage() {
         allowExtraBeds:  hs.widget_extra_beds   !== undefined ? Boolean(hs.widget_extra_beds)   : prev.allowExtraBeds,
         allowChildren:   hs.widget_children     !== undefined ? Boolean(hs.widget_children)     : prev.allowChildren,
       }))
+      setSettingsReady(true)
     }).finally(() => setGatewayLoading(false))
   }, [slug])
 
@@ -1142,6 +1143,7 @@ export function BookingWidgetPage() {
   const [copied, setCopied] = useState(false)
   const [saving, setSaving] = useState(false)
   const [saved, setSaved] = useState(false)
+  const [settingsReady, setSettingsReady] = useState(false)
   const [pageTab, setPageTab] = useState<'constructor' | 'code' | 'stats'>('constructor')
   const [newFieldLabel, setNewFieldLabel] = useState('')
   const [showAddField, setShowAddField] = useState(false)
@@ -1149,21 +1151,21 @@ export function BookingWidgetPage() {
   const set = <K extends keyof WidgetSettings>(k: K, v: WidgetSettings[K]) =>
     setSettings(prev => ({ ...prev, [k]: v }))
 
-  const handleSaveSettings = async () => {
+  const doSave = async (s: WidgetSettings) => {
     if (!slug) return
     setSaving(true)
     try {
       await api.hotelSettings.update(slug, {
-        widget_hotel_name:  settings.hotelName,
-        widget_color:       settings.primaryColor,
-        widget_lang:        settings.language,
-        widget_show_rooms:  settings.showRooms,
-        widget_show_rental: settings.showRental,
-        widget_room_mode:   settings.roomDisplayMode,
-        widget_min_nights:  settings.minNights,
-        widget_show_promo:  settings.showPromo,
-        widget_extra_beds:  settings.allowExtraBeds,
-        widget_children:    settings.allowChildren,
+        widget_hotel_name:  s.hotelName,
+        widget_color:       s.primaryColor,
+        widget_lang:        s.language,
+        widget_show_rooms:  s.showRooms,
+        widget_show_rental: s.showRental,
+        widget_room_mode:   s.roomDisplayMode,
+        widget_min_nights:  s.minNights,
+        widget_show_promo:  s.showPromo,
+        widget_extra_beds:  s.allowExtraBeds,
+        widget_children:    s.allowChildren,
       })
       setSaved(true)
       setTimeout(() => setSaved(false), 2000)
@@ -1171,6 +1173,15 @@ export function BookingWidgetPage() {
     finally { setSaving(false) }
   }
 
+  const handleSaveSettings = () => doSave(settings)
+
+  // Auto-save 1.5s after any settings change (only after initial load)
+  useEffect(() => {
+    if (!settingsReady) return
+    const t = setTimeout(() => doSave(settings), 1500)
+    return () => clearTimeout(t)
+  }, [settings, settingsReady])
+
   const toggleService = (id: string) =>
     setSettings(prev => ({
       ...prev,
@@ -1502,9 +1513,10 @@ export function BookingWidgetPage() {
                 className="btn-primary flex items-center gap-2"
               >
                 {saving ? <Loader2 size={15} className="animate-spin" /> : <Save size={15} />}
-                {saved ? 'Сохранено!' : 'Сохранить настройки'}
+                Сохранить
               </button>
-              {saved && <span className="text-sm text-emerald-600 dark:text-emerald-400">Настройки виджета сохранены</span>}
+              {saving && <span className="text-sm text-slate-400">Сохранение...</span>}
+              {saved && !saving && <span className="text-sm text-emerald-600 dark:text-emerald-400">✓ Сохранено</span>}
             </div>
           </div>