feat(journey/settings): warn on unsaved changes before closing modal

- Track dirty state (title/subtitle changed from original)
- Intercept X button, backdrop click, and Cancel with handleClose
- Show ConfirmDialog when dirty; proceed with onClose only on confirm
- Add common.discardChanges and common.discard keys to all 15 locales

client/src/i18n/translations/ar.ts

@@ -34,6 +34,8 @@ const ar: Record<string, string | { name: string; category: string }[]> = {
   'common.none': 'لا شيء',
   'common.date': 'التاريخ',
   'common.rename': 'إعادة تسمية',
+  'common.discardChanges': 'تجاهل التغييرات',
+  'common.discard': 'تجاهل',
   'common.name': 'الاسم',
   'common.email': 'البريد الإلكتروني',
   'common.password': 'كلمة المرور',

client/src/i18n/translations/br.ts

@@ -30,6 +30,8 @@ const br: Record<string, string | { name: string; category: string }[]> = {
   'common.none': 'Nenhum',
   'common.date': 'Data',
   'common.rename': 'Renomear',
+  'common.discardChanges': 'Descartar alterações',
+  'common.discard': 'Descartar',
   'common.name': 'Nome',
   'common.email': 'E-mail',
   'common.password': 'Senha',

client/src/i18n/translations/cs.ts

@@ -30,6 +30,8 @@ const cs: Record<string, string | { name: string; category: string }[]> = {
   'common.none': 'Žádné',
   'common.date': 'Datum',
   'common.rename': 'Přejmenovat',
+  'common.discardChanges': 'Zahodit změny',
+  'common.discard': 'Zahodit',
   'common.name': 'Jméno',
   'common.email': 'E-mail',
   'common.password': 'Heslo',

client/src/i18n/translations/de.ts

@@ -30,6 +30,8 @@ const de: Record<string, string | { name: string; category: string }[]> = {
   'common.none': 'Keine',
   'common.date': 'Datum',
   'common.rename': 'Umbenennen',
+  'common.discardChanges': 'Änderungen verwerfen',
+  'common.discard': 'Verwerfen',
   'common.name': 'Name',
   'common.email': 'E-Mail',
   'common.password': 'Passwort',

client/src/i18n/translations/en.ts

@@ -30,6 +30,8 @@ const en: Record<string, string | { name: string; category: string }[]> = {
   'common.none': 'None',
   'common.date': 'Date',
   'common.rename': 'Rename',
+  'common.discardChanges': 'Discard Changes',
+  'common.discard': 'Discard',
   'common.name': 'Name',
   'common.email': 'Email',
   'common.password': 'Password',

client/src/i18n/translations/es.ts

@@ -30,6 +30,8 @@ const es: Record<string, string> = {
   'common.none': 'Ninguno',
   'common.date': 'Fecha',
   'common.rename': 'Renombrar',
+  'common.discardChanges': 'Descartar cambios',
+  'common.discard': 'Descartar',
   'common.name': 'Nombre',
   'common.email': 'Correo',
   'common.password': 'Contraseña',

client/src/i18n/translations/fr.ts

@@ -30,6 +30,8 @@ const fr: Record<string, string> = {
   'common.none': 'Aucun',
   'common.date': 'Date',
   'common.rename': 'Renommer',
+  'common.discardChanges': 'Ignorer les modifications',
+  'common.discard': 'Ignorer',
   'common.name': 'Nom',
   'common.email': 'E-mail',
   'common.password': 'Mot de passe',

client/src/i18n/translations/hu.ts

@@ -30,6 +30,8 @@ const hu: Record<string, string | { name: string; category: string }[]> = {
   'common.none': 'Nincs',
   'common.date': 'Dátum',
   'common.rename': 'Átnevezés',
+  'common.discardChanges': 'Változtatások elvetése',
+  'common.discard': 'Elveti',
   'common.name': 'Név',
   'common.email': 'E-mail',
   'common.password': 'Jelszó',

client/src/i18n/translations/id.ts

@@ -30,6 +30,8 @@ const id: Record<string, string | { name: string; category: string }[]> = {
   'common.none': 'Tidak ada',
   'common.date': 'Tanggal',
   'common.rename': 'Ganti nama',
+  'common.discardChanges': 'Buang perubahan',
+  'common.discard': 'Buang',
   'common.name': 'Nama',
   'common.email': 'Email',
   'common.password': 'Kata sandi',

client/src/i18n/translations/it.ts

@@ -30,6 +30,8 @@ const it: Record<string, string | { name: string; category: string }[]> = {
   'common.none': 'Nessuno',
   'common.date': 'Data',
   'common.rename': 'Rinomina',
+  'common.discardChanges': 'Scarta modifiche',
+  'common.discard': 'Scarta',
   'common.name': 'Nome',
   'common.email': 'Email',
   'common.password': 'Password',

client/src/i18n/translations/nl.ts

@@ -30,6 +30,8 @@ const nl: Record<string, string> = {
   'common.none': 'Geen',
   'common.date': 'Datum',
   'common.rename': 'Hernoemen',
+  'common.discardChanges': 'Wijzigingen verwerpen',
+  'common.discard': 'Verwerpen',
   'common.name': 'Naam',
   'common.email': 'E-mail',
   'common.password': 'Wachtwoord',

client/src/i18n/translations/pl.ts

@@ -26,6 +26,8 @@ const pl: Record<string, string | { name: string; category: string }[]> = {
   'common.none': 'Brak',
   'common.date': 'Data',
   'common.rename': 'Zmień nazwę',
+  'common.discardChanges': 'Odrzuć zmiany',
+  'common.discard': 'Odrzuć',
   'common.name': 'Nazwa',
   'common.email': 'E-mail',
   'common.password': 'Hasło',

client/src/i18n/translations/ru.ts

@@ -30,6 +30,8 @@ const ru: Record<string, string> = {
   'common.none': 'Нет',
   'common.date': 'Дата',
   'common.rename': 'Переименовать',
+  'common.discardChanges': 'Отменить изменения',
+  'common.discard': 'Отменить',
   'common.name': 'Имя',
   'common.email': 'Эл. почта',
   'common.password': 'Пароль',

client/src/i18n/translations/zh.ts

@@ -30,6 +30,8 @@ const zh: Record<string, string> = {
   'common.none': '无',
   'common.date': '日期',
   'common.rename': '重命名',
+  'common.discardChanges': '放弃更改',
+  'common.discard': '放弃',
   'common.name': '名称',
   'common.email': '邮箱',
   'common.password': '密码',

client/src/i18n/translations/zhTw.ts

@@ -30,6 +30,8 @@ const zhTw: Record<string, string> = {
   'common.none': '無',
   'common.date': '日期',
   'common.rename': '重新命名',
+  'common.discardChanges': '捨棄變更',
+  'common.discard': '捨棄',
   'common.name': '名稱',
   'common.email': '郵箱',
   'common.password': '密碼',

client/src/pages/JourneyDetailPage.tsx

@@ -3002,6 +3002,10 @@ function JourneySettingsDialog({ journey, onClose, onSaved, onOpenInvite, onRefr
   const [saving, setSaving] = useState(false)
   const [showAddTrip, setShowAddTrip] = useState(false)
   const [unlinkTarget, setUnlinkTarget] = useState<{ trip_id: number; title: string } | null>(null)
+  const [showDiscardConfirm, setShowDiscardConfirm] = useState(false)
+
+  const isDirty = title !== journey.title || subtitle !== (journey.subtitle || '')
+  const handleClose = () => { if (isDirty) setShowDiscardConfirm(true); else onClose() }
   const coverRef = useRef<HTMLInputElement>(null)
   const toast = useToast()
   const navigate = useNavigate()
@@ -3060,12 +3064,12 @@ function JourneySettingsDialog({ journey, onClose, onSaved, onOpenInvite, onRefr
   }
 
   return (
-    <div className="fixed inset-0 z-[200] flex items-end md:items-center justify-center md:p-5 overscroll-none" style={{ background: 'rgba(9,9,11,0.75)' }} onClick={onClose} onTouchMove={e => { if (e.target === e.currentTarget) e.preventDefault() }}>
+    <div className="fixed inset-0 z-[200] flex items-end md:items-center justify-center md:p-5 overscroll-none" style={{ background: 'rgba(9,9,11,0.75)' }} onClick={handleClose} onTouchMove={e => { if (e.target === e.currentTarget) e.preventDefault() }}>
       <div className="bg-white dark:bg-zinc-900 rounded-t-2xl md:rounded-2xl shadow-[0_20px_40px_rgba(0,0,0,0.2)] max-w-[480px] w-full max-h-[85vh] md:max-h-[90vh] flex flex-col overflow-hidden" style={{ paddingBottom: 'env(safe-area-inset-bottom, 0px)' }} onClick={e => e.stopPropagation()}>
 
         <div className="flex items-center justify-between px-6 py-4 border-b border-zinc-200 dark:border-zinc-700">
           <h2 className="text-[16px] font-bold text-zinc-900 dark:text-white">{t('journey.settings.title')}</h2>
-          <button onClick={onClose} className="w-8 h-8 rounded-lg flex items-center justify-center text-zinc-400 hover:bg-zinc-100 dark:hover:bg-zinc-800">
+          <button onClick={handleClose} className="w-8 h-8 rounded-lg flex items-center justify-center text-zinc-400 hover:bg-zinc-100 dark:hover:bg-zinc-800">
             <X size={16} />
           </button>
         </div>
@@ -3212,7 +3216,7 @@ function JourneySettingsDialog({ journey, onClose, onSaved, onOpenInvite, onRefr
             {journey.status === 'archived' ? <ArchiveRestore size={14} /> : <Archive size={14} />}
             <span className="hidden md:inline">{journey.status === 'archived' ? t('journey.settings.reopenJourney') : t('journey.settings.endJourney')}</span>
           </button>
-          <button onClick={onClose} className="h-9 px-3.5 rounded-lg border border-zinc-200 dark:border-zinc-600 text-[13px] font-medium text-zinc-700 dark:text-zinc-300 hover:bg-zinc-100 dark:hover:bg-zinc-700">{t('common.cancel')}</button>
+          <button onClick={handleClose} className="h-9 px-3.5 rounded-lg border border-zinc-200 dark:border-zinc-600 text-[13px] font-medium text-zinc-700 dark:text-zinc-300 hover:bg-zinc-100 dark:hover:bg-zinc-700">{t('common.cancel')}</button>
           <button onClick={handleSave} disabled={saving || !title.trim()} className="h-9 px-3.5 rounded-lg bg-zinc-900 dark:bg-white text-white dark:text-zinc-900 text-[13px] font-medium hover:bg-zinc-800 dark:hover:bg-zinc-100 disabled:opacity-40">
             {saving ? t('common.saving') : t('common.save')}
           </button>
@@ -3259,6 +3263,16 @@ function JourneySettingsDialog({ journey, onClose, onSaved, onOpenInvite, onRefr
         confirmLabel={t('common.delete')}
         danger
       />
+
+      <ConfirmDialog
+        isOpen={showDiscardConfirm}
+        onClose={() => setShowDiscardConfirm(false)}
+        onConfirm={() => { setShowDiscardConfirm(false); onClose() }}
+        title={t('common.discardChanges')}
+        message={t('journey.editor.discardChangesConfirm')}
+        confirmLabel={t('common.discard')}
+        danger
+      />
     </div>
   )
 }