fix(journey): album photos, select-all, heading/hr fixes, dark mode

- Load actual album photos instead of date-range search fallback
  (new GET /albums/:id/photos for Immich + Synology)
- Add select all / deselect all toggle in photo picker
- Normalize Markdown headings to plain text in journal stories
- Fix setext headings (---) rendering as hr instead of h2
- Add remark-breaks for proper line break rendering
- Fix pros/cons dark mode gradient backgrounds
- i18n: selectAll/deselectAll in 14 languages

client/src/i18n/translations/ar.ts

@@ -1546,6 +1546,8 @@ const ar: Record<string, string | { name: string; category: string }[]> = {
   'journey.picker.selected': 'محدد',
   'journey.picker.addTo': 'إضافة إلى',
   'journey.picker.newGallery': 'معرض جديد',
+  'journey.picker.selectAll': 'تحديد الكل',
+  'journey.picker.deselectAll': 'إلغاء تحديد الكل',
   'journey.picker.noAlbums': 'لم يتم العثور على ألبومات',
   'journey.picker.selectDate': 'اختر تاريخ',
   'journey.picker.search': 'بحث',

client/src/i18n/translations/br.ts

@@ -2020,6 +2020,8 @@ const br: Record<string, string | { name: string; category: string }[]> = {
   'journey.picker.selected': 'selecionados',
   'journey.picker.addTo': 'Adicionar a',
   'journey.picker.newGallery': 'Nova galeria',
+  'journey.picker.selectAll': 'Selecionar tudo',
+  'journey.picker.deselectAll': 'Desmarcar tudo',
   'journey.picker.noAlbums': 'Nenhum álbum encontrado',
   'journey.picker.selectDate': 'Selecionar data',
   'journey.picker.search': 'Pesquisar',

client/src/i18n/translations/cs.ts

@@ -2022,6 +2022,8 @@ const cs: Record<string, string | { name: string; category: string }[]> = {
   'journey.picker.selected': 'vybráno',
   'journey.picker.addTo': 'Přidat do',
   'journey.picker.newGallery': 'Nová galerie',
+  'journey.picker.selectAll': 'Vybrat vše',
+  'journey.picker.deselectAll': 'Zrušit výběr',
   'journey.picker.noAlbums': 'Žádná alba nenalezena',
   'journey.picker.selectDate': 'Vyberte datum',
   'journey.picker.search': 'Hledat',

client/src/i18n/translations/de.ts

@@ -2010,6 +2010,8 @@ const de: Record<string, string | { name: string; category: string }[]> = {
   'journey.picker.selected': 'ausgewählt',
   'journey.picker.addTo': 'Hinzufügen zu',
   'journey.picker.newGallery': 'Neue Galerie',
+  'journey.picker.selectAll': 'Alle auswählen',
+  'journey.picker.deselectAll': 'Alle abwählen',
   'journey.picker.noAlbums': 'Keine Alben gefunden',
   'journey.picker.selectDate': 'Datum wählen',
   'journey.picker.search': 'Suchen',

client/src/i18n/translations/en.ts

@@ -2037,6 +2037,8 @@ const en: Record<string, string | { name: string; category: string }[]> = {
   'journey.picker.selected': 'selected',
   'journey.picker.addTo': 'Add to',
   'journey.picker.newGallery': 'New Gallery',
+  'journey.picker.selectAll': 'Select all',
+  'journey.picker.deselectAll': 'Deselect all',
   'journey.picker.noAlbums': 'No albums found',
   'journey.picker.selectDate': 'Select date',
   'journey.picker.search': 'Search',

client/src/i18n/translations/es.ts

@@ -2024,6 +2024,8 @@ const es: Record<string, string> = {
   'journey.picker.selected': 'seleccionados',
   'journey.picker.addTo': 'Añadir a',
   'journey.picker.newGallery': 'Nueva galería',
+  'journey.picker.selectAll': 'Seleccionar todo',
+  'journey.picker.deselectAll': 'Deseleccionar todo',
   'journey.picker.noAlbums': 'No se encontraron álbumes',
   'journey.picker.selectDate': 'Seleccionar fecha',
   'journey.picker.search': 'Buscar',

client/src/i18n/translations/fr.ts

@@ -2018,6 +2018,8 @@ const fr: Record<string, string> = {
   'journey.picker.selected': 'sélectionnés',
   'journey.picker.addTo': 'Ajouter à',
   'journey.picker.newGallery': 'Nouvelle galerie',
+  'journey.picker.selectAll': 'Tout sélectionner',
+  'journey.picker.deselectAll': 'Tout désélectionner',
   'journey.picker.noAlbums': 'Aucun album trouvé',
   'journey.picker.selectDate': 'Sélectionner une date',
   'journey.picker.search': 'Rechercher',

client/src/i18n/translations/hu.ts

@@ -2019,6 +2019,8 @@ const hu: Record<string, string | { name: string; category: string }[]> = {
   'journey.picker.selected': 'kiválasztva',
   'journey.picker.addTo': 'Hozzáadás',
   'journey.picker.newGallery': 'Új galéria',
+  'journey.picker.selectAll': 'Összes kijelölése',
+  'journey.picker.deselectAll': 'Összes kijelölés törlése',
   'journey.picker.noAlbums': 'Nem található album',
   'journey.picker.selectDate': 'Dátum választása',
   'journey.picker.search': 'Keresés',

client/src/i18n/translations/it.ts

@@ -2019,6 +2019,8 @@ const it: Record<string, string | { name: string; category: string }[]> = {
   'journey.picker.selected': 'selezionati',
   'journey.picker.addTo': 'Aggiungi a',
   'journey.picker.newGallery': 'Nuova galleria',
+  'journey.picker.selectAll': 'Seleziona tutto',
+  'journey.picker.deselectAll': 'Deseleziona tutto',
   'journey.picker.noAlbums': 'Nessun album trovato',
   'journey.picker.selectDate': 'Seleziona data',
   'journey.picker.search': 'Cerca',

client/src/i18n/translations/nl.ts

@@ -2018,6 +2018,8 @@ const nl: Record<string, string> = {
   'journey.picker.selected': 'geselecteerd',
   'journey.picker.addTo': 'Toevoegen aan',
   'journey.picker.newGallery': 'Nieuwe galerij',
+  'journey.picker.selectAll': 'Alles selecteren',
+  'journey.picker.deselectAll': 'Alles deselecteren',
   'journey.picker.noAlbums': 'Geen albums gevonden',
   'journey.picker.selectDate': 'Selecteer datum',
   'journey.picker.search': 'Zoeken',

client/src/i18n/translations/pl.ts

@@ -2014,6 +2014,8 @@ const pl: Record<string, string | { name: string; category: string }[]> = {
   'journey.picker.selected': 'wybranych',
   'journey.picker.addTo': 'Dodaj do',
   'journey.picker.newGallery': 'Nowa galeria',
+  'journey.picker.selectAll': 'Zaznacz wszystko',
+  'journey.picker.deselectAll': 'Odznacz wszystko',
   'journey.picker.noAlbums': 'Nie znaleziono albumów',
   'journey.picker.selectDate': 'Wybierz datę',
   'journey.picker.search': 'Szukaj',

client/src/i18n/translations/ru.ts

@@ -2018,6 +2018,8 @@ const ru: Record<string, string> = {
   'journey.picker.selected': 'выбрано',
   'journey.picker.addTo': 'Добавить в',
   'journey.picker.newGallery': 'Новая галерея',
+  'journey.picker.selectAll': 'Выбрать все',
+  'journey.picker.deselectAll': 'Снять выбор',
   'journey.picker.noAlbums': 'Альбомы не найдены',
   'journey.picker.selectDate': 'Выберите дату',
   'journey.picker.search': 'Поиск',

client/src/i18n/translations/zh.ts

@@ -2018,6 +2018,8 @@ const zh: Record<string, string> = {
   'journey.picker.selected': '已选择',
   'journey.picker.addTo': '添加到',
   'journey.picker.newGallery': '新相册',
+  'journey.picker.selectAll': '全选',
+  'journey.picker.deselectAll': '取消全选',
   'journey.picker.noAlbums': '未找到相册',
   'journey.picker.selectDate': '选择日期',
   'journey.picker.search': '搜索',

client/src/i18n/translations/zhTw.ts

@@ -1979,6 +1979,8 @@ const zhTw: Record<string, string> = {
   'journey.picker.selected': '已選擇',
   'journey.picker.addTo': '新增至',
   'journey.picker.newGallery': '新相簿',
+  'journey.picker.selectAll': '全選',
+  'journey.picker.deselectAll': '取消全選',
   'journey.picker.noAlbums': '未找到相簿',
   'journey.picker.selectDate': '選擇日期',
   'journey.picker.search': '搜尋',

client/src/pages/JourneyDetailPage.tsx

@@ -1398,6 +1398,15 @@ function ProviderPicker({ provider, userId, entries, trips, existingAssetIds, on
     setLoading(false)
   }
 
+  const loadAlbumPhotos = async (albumId: string) => {
+    setLoading(true)
+    try {
+      const res = await fetch(`/api/integrations/memories/${provider}/albums/${albumId}/photos`, { credentials: 'include' })
+      if (res.ok) setPhotos((await res.json()).assets || [])
+    } catch {}
+    setLoading(false)
+  }
+
   const loadAlbums = async () => {
     try {
       const res = await fetch(`/api/integrations/memories/${provider}/albums`, { credentials: 'include' })
@@ -1511,7 +1520,7 @@ function ProviderPicker({ provider, userId, entries, trips, existingAssetIds, on
                 {albums.map((a: any) => (
                   <button
                     key={a.id}
-                    onClick={() => { setSelectedAlbum(a.id); searchPhotos(a.startDate || '2000-01-01', a.endDate || '2099-01-01') }}
+                    onClick={() => { setSelectedAlbum(a.id); loadAlbumPhotos(a.id) }}
                     className={`px-2.5 py-1 rounded-lg text-[11px] font-medium whitespace-nowrap flex-shrink-0 border ${
                       selectedAlbum === a.id
                         ? 'bg-zinc-900 dark:bg-white text-white dark:text-zinc-900 border-zinc-900 dark:border-white'
@@ -1577,6 +1586,33 @@ function ProviderPicker({ provider, userId, entries, trips, existingAssetIds, on
 
         {/* Photo grid */}
         <div className="flex-1 overflow-y-auto p-4">
+          {/* Select all toggle */}
+          {!loading && photos.length > 0 && (() => {
+            const selectable = photos.filter((a: any) => !existingAssetIds.has(a.id))
+            const allSelected = selectable.length > 0 && selectable.every((a: any) => selected.has(a.id))
+            if (selectable.length === 0) return null
+            return (
+              <button
+                onClick={() => {
+                  if (allSelected) {
+                    setSelected(new Set())
+                  } else {
+                    setSelected(new Set(selectable.map((a: any) => a.id)))
+                  }
+                }}
+                className="mb-3 inline-flex items-center gap-1.5 px-2.5 py-1 rounded-lg text-[11px] font-medium border border-zinc-200 dark:border-zinc-700 text-zinc-500 dark:text-zinc-400 hover:bg-zinc-50 dark:hover:bg-zinc-800"
+              >
+                <div className={`w-3.5 h-3.5 rounded border flex items-center justify-center ${
+                  allSelected
+                    ? 'bg-zinc-900 dark:bg-white border-zinc-900 dark:border-white'
+                    : 'border-zinc-300 dark:border-zinc-600'
+                }`}>
+                  {allSelected && <Check size={9} className="text-white dark:text-zinc-900" strokeWidth={3} />}
+                </div>
+                {allSelected ? t('journey.picker.deselectAll') : t('journey.picker.selectAll')} ({selectable.length})
+              </button>
+            )
+          })()}
           {loading ? (
             <div className="flex justify-center py-12">
               <div className="w-6 h-6 border-2 border-zinc-300 border-t-zinc-900 rounded-full animate-spin" />