diff --git a/apps/readest-app/public/locales/ar/translation.json b/apps/readest-app/public/locales/ar/translation.json
index dc5f9303..65cf1ddb 100644
--- a/apps/readest-app/public/locales/ar/translation.json
+++ b/apps/readest-app/public/locales/ar/translation.json
@@ -1923,5 +1923,8 @@
   "This permanently erases reading progress, notes, and bookmarks. This cannot be undone.": "يؤدي هذا إلى مسح تقدم القراءة والملاحظات والإشارات المرجعية نهائيًا. لا يمكن التراجع عن هذا الإجراء.",
   "Also erase reading progress, notes, and bookmarks.": "يمسح أيضًا تقدم القراءة والملاحظات والإشارات المرجعية.",
   "Background Image (Library)": "صورة الخلفية (المكتبة)",
-  "Background Image (Reader)": "صورة الخلفية (واجهة القراءة)"
+  "Background Image (Reader)": "صورة الخلفية (واجهة القراءة)",
+  "updated metadata for {{n}} book(s)": "تم تحديث البيانات الوصفية لـ {{n}} كتاب",
+  "{{n}} metadata": "{{n}} بيانات وصفية",
+  "Metadata updated": "تم تحديث البيانات الوصفية"
 }
diff --git a/apps/readest-app/public/locales/bn/translation.json b/apps/readest-app/public/locales/bn/translation.json
index 68fe177d..946cfef5 100644
--- a/apps/readest-app/public/locales/bn/translation.json
+++ b/apps/readest-app/public/locales/bn/translation.json
@@ -1791,5 +1791,8 @@
   "This permanently erases reading progress, notes, and bookmarks. This cannot be undone.": "এটি স্থায়ীভাবে পড়ার অগ্রগতি, নোট এবং বুকমার্ক মুছে ফেলে। এটি পূর্বাবস্থায় ফেরানো যাবে না।",
   "Also erase reading progress, notes, and bookmarks.": "পড়ার অগ্রগতি, নোট এবং বুকমার্কও মুছে ফেলে।",
   "Background Image (Library)": "ব্যাকগ্রাউন্ড ছবি (লাইব্রেরি)",
-  "Background Image (Reader)": "ব্যাকগ্রাউন্ড ছবি (রিডার)"
+  "Background Image (Reader)": "ব্যাকগ্রাউন্ড ছবি (রিডার)",
+  "updated metadata for {{n}} book(s)": "{{n}}টি বইয়ের মেটাডেটা আপডেট হয়েছে",
+  "{{n}} metadata": "{{n}} মেটাডেটা",
+  "Metadata updated": "মেটাডেটা আপডেট হয়েছে"
 }
diff --git a/apps/readest-app/public/locales/bo/translation.json b/apps/readest-app/public/locales/bo/translation.json
index 934aea2f..3e6fa4c9 100644
--- a/apps/readest-app/public/locales/bo/translation.json
+++ b/apps/readest-app/public/locales/bo/translation.json
@@ -1758,5 +1758,8 @@
   "This permanently erases reading progress, notes, and bookmarks. This cannot be undone.": "འདིས་ཀློག་པའི་ཡར་འཕེལ་དང་། ཟིན་བྲིས། དཔེ་རྟགས་བཅས་གཏན་དུ་སུབ་ངེས་ཡིན། ཕྱིར་ལྡོག་བྱེད་མི་ཐུབ།",
   "Also erase reading progress, notes, and bookmarks.": "ཀློག་པའི་ཡར་འཕེལ་དང་། ཟིན་བྲིས། དཔེ་རྟགས་བཅས་ཀྱང་སུབ་པ།",
   "Background Image (Library)": "གནས་སྟངས་ཀྱི་རི་མོ། (དེབ་མཛོད།)",
-  "Background Image (Reader)": "གནས་སྟངས་ཀྱི་རི་མོ། (ཀློག་ངོས།)"
+  "Background Image (Reader)": "གནས་སྟངས་ཀྱི་རི་མོ། (ཀློག་ངོས།)",
+  "updated metadata for {{n}} book(s)": "དཔེ་ཆ་{{n}}་ཡི་གནད་སྨིན་གོ་དོན་གསར་བསྒྱུར་བྱས།",
+  "{{n}} metadata": "{{n}} གནད་སྨིན་གོ་དོན།",
+  "Metadata updated": "གནད་སྨིན་གོ་དོན་གསར་བསྒྱུར་བྱས།"
 }
diff --git a/apps/readest-app/public/locales/de/translation.json b/apps/readest-app/public/locales/de/translation.json
index 4acadf9e..055c4520 100644
--- a/apps/readest-app/public/locales/de/translation.json
+++ b/apps/readest-app/public/locales/de/translation.json
@@ -1791,5 +1791,8 @@
   "This permanently erases reading progress, notes, and bookmarks. This cannot be undone.": "Dadurch werden Lesefortschritt, Notizen und Lesezeichen dauerhaft gelöscht. Dies kann nicht rückgängig gemacht werden.",
   "Also erase reading progress, notes, and bookmarks.": "Löscht auch Lesefortschritt, Notizen und Lesezeichen.",
   "Background Image (Library)": "Hintergrundbild (Bibliothek)",
-  "Background Image (Reader)": "Hintergrundbild (Leseansicht)"
+  "Background Image (Reader)": "Hintergrundbild (Leseansicht)",
+  "updated metadata for {{n}} book(s)": "Metadaten für {{n}} Buch/Bücher aktualisiert",
+  "{{n}} metadata": "{{n}} Metadaten",
+  "Metadata updated": "Metadaten aktualisiert"
 }
diff --git a/apps/readest-app/public/locales/el/translation.json b/apps/readest-app/public/locales/el/translation.json
index c066b538..0c5f936c 100644
--- a/apps/readest-app/public/locales/el/translation.json
+++ b/apps/readest-app/public/locales/el/translation.json
@@ -1791,5 +1791,8 @@
   "This permanently erases reading progress, notes, and bookmarks. This cannot be undone.": "Αυτό διαγράφει οριστικά την πρόοδο ανάγνωσης, τις σημειώσεις και τους σελιδοδείκτες. Δεν είναι δυνατή η αναίρεση.",
   "Also erase reading progress, notes, and bookmarks.": "Διαγράφει επίσης την πρόοδο ανάγνωσης, τις σημειώσεις και τους σελιδοδείκτες.",
   "Background Image (Library)": "Εικόνα φόντου (Βιβλιοθήκη)",
-  "Background Image (Reader)": "Εικόνα φόντου (Προβολή ανάγνωσης)"
+  "Background Image (Reader)": "Εικόνα φόντου (Προβολή ανάγνωσης)",
+  "updated metadata for {{n}} book(s)": "ενημερώθηκαν τα μεταδεδομένα για {{n}} βιβλίο/α",
+  "{{n}} metadata": "{{n}} μεταδεδομένα",
+  "Metadata updated": "Ενημερωμένα μεταδεδομένα"
 }
diff --git a/apps/readest-app/public/locales/es/translation.json b/apps/readest-app/public/locales/es/translation.json
index 33a67d6d..d4097ee2 100644
--- a/apps/readest-app/public/locales/es/translation.json
+++ b/apps/readest-app/public/locales/es/translation.json
@@ -1824,5 +1824,8 @@
   "This permanently erases reading progress, notes, and bookmarks. This cannot be undone.": "Esto borra permanentemente el progreso de lectura, las notas y los marcadores. Esta acción no se puede deshacer.",
   "Also erase reading progress, notes, and bookmarks.": "También borra el progreso de lectura, las notas y los marcadores.",
   "Background Image (Library)": "Imagen de fondo (Biblioteca)",
-  "Background Image (Reader)": "Imagen de fondo (Lector)"
+  "Background Image (Reader)": "Imagen de fondo (Lector)",
+  "updated metadata for {{n}} book(s)": "metadatos actualizados de {{n}} libro(s)",
+  "{{n}} metadata": "{{n}} metadatos",
+  "Metadata updated": "Metadatos actualizados"
 }
diff --git a/apps/readest-app/public/locales/fa/translation.json b/apps/readest-app/public/locales/fa/translation.json
index 3bc18b5d..825f3134 100644
--- a/apps/readest-app/public/locales/fa/translation.json
+++ b/apps/readest-app/public/locales/fa/translation.json
@@ -1791,5 +1791,8 @@
   "This permanently erases reading progress, notes, and bookmarks. This cannot be undone.": "این کار وضعیت مطالعه، یادداشت‌ها و نشانک‌ها را برای همیشه پاک می‌کند. این عمل قابل بازگشت نیست.",
   "Also erase reading progress, notes, and bookmarks.": "همچنین وضعیت مطالعه، یادداشت‌ها و نشانک‌ها را پاک می‌کند.",
   "Background Image (Library)": "تصویر پس‌زمینه (کتابخانه)",
-  "Background Image (Reader)": "تصویر پس‌زمینه (صفحه مطالعه)"
+  "Background Image (Reader)": "تصویر پس‌زمینه (صفحه مطالعه)",
+  "updated metadata for {{n}} book(s)": "متادیتای {{n}} کتاب به‌روزرسانی شد",
+  "{{n}} metadata": "{{n}} متادیتا",
+  "Metadata updated": "متادیتا به‌روزرسانی شد"
 }
diff --git a/apps/readest-app/public/locales/fr/translation.json b/apps/readest-app/public/locales/fr/translation.json
index 29027650..22d4bbe8 100644
--- a/apps/readest-app/public/locales/fr/translation.json
+++ b/apps/readest-app/public/locales/fr/translation.json
@@ -1824,5 +1824,8 @@
   "This permanently erases reading progress, notes, and bookmarks. This cannot be undone.": "Cela efface définitivement la progression de lecture, les notes et les signets. Cette action est irréversible.",
   "Also erase reading progress, notes, and bookmarks.": "Efface aussi la progression de lecture, les notes et les signets.",
   "Background Image (Library)": "Image de Fond (Bibliothèque)",
-  "Background Image (Reader)": "Image de Fond (Vue de lecture)"
+  "Background Image (Reader)": "Image de Fond (Vue de lecture)",
+  "updated metadata for {{n}} book(s)": "métadonnées mises à jour pour {{n}} livre(s)",
+  "{{n}} metadata": "{{n}} métadonnées",
+  "Metadata updated": "Métadonnées mises à jour"
 }
diff --git a/apps/readest-app/public/locales/he/translation.json b/apps/readest-app/public/locales/he/translation.json
index 968507e9..dffeb5ae 100644
--- a/apps/readest-app/public/locales/he/translation.json
+++ b/apps/readest-app/public/locales/he/translation.json
@@ -1824,5 +1824,8 @@
   "This permanently erases reading progress, notes, and bookmarks. This cannot be undone.": "פעולה זו מוחקת לצמיתות את התקדמות הקריאה, ההערות והסימניות. לא ניתן לבטל פעולה זו.",
   "Also erase reading progress, notes, and bookmarks.": "מוחק גם את התקדמות הקריאה, ההערות והסימניות.",
   "Background Image (Library)": "תמונת רקע (ספרייה)",
-  "Background Image (Reader)": "תמונת רקע (מצב קריאה)"
+  "Background Image (Reader)": "תמונת רקע (מצב קריאה)",
+  "updated metadata for {{n}} book(s)": "המטא-נתונים עודכנו עבור {{n}} ספרים",
+  "{{n}} metadata": "{{n}} מטא-נתונים",
+  "Metadata updated": "המטא-נתונים עודכנו"
 }
diff --git a/apps/readest-app/public/locales/hi/translation.json b/apps/readest-app/public/locales/hi/translation.json
index 31531b9d..49f37909 100644
--- a/apps/readest-app/public/locales/hi/translation.json
+++ b/apps/readest-app/public/locales/hi/translation.json
@@ -1791,5 +1791,8 @@
   "This permanently erases reading progress, notes, and bookmarks. This cannot be undone.": "यह पढ़ने की प्रगति, नोट्स और बुकमार्क को स्थायी रूप से मिटा देता है। इसे पूर्ववत नहीं किया जा सकता।",
   "Also erase reading progress, notes, and bookmarks.": "पढ़ने की प्रगति, नोट्स और बुकमार्क भी मिटा देता है।",
   "Background Image (Library)": "पृष्ठभूमि छवि (लाइब्रेरी)",
-  "Background Image (Reader)": "पृष्ठभूमि छवि (रीडर)"
+  "Background Image (Reader)": "पृष्ठभूमि छवि (रीडर)",
+  "updated metadata for {{n}} book(s)": "{{n}} पुस्तक(ों) के मेटाडेटा अपडेट किए गए",
+  "{{n}} metadata": "{{n}} मेटाडेटा",
+  "Metadata updated": "मेटाडेटा अपडेट किया गया"
 }
diff --git a/apps/readest-app/public/locales/hu/translation.json b/apps/readest-app/public/locales/hu/translation.json
index 2922bbc0..cd934cd3 100644
--- a/apps/readest-app/public/locales/hu/translation.json
+++ b/apps/readest-app/public/locales/hu/translation.json
@@ -1791,5 +1791,8 @@
   "This permanently erases reading progress, notes, and bookmarks. This cannot be undone.": "Ez véglegesen törli az olvasási haladást, a jegyzeteket és a könyvjelzőket. A művelet nem vonható vissza.",
   "Also erase reading progress, notes, and bookmarks.": "Az olvasási haladást, jegyzeteket és könyvjelzőket is törli.",
   "Background Image (Library)": "Háttérkép (Könyvtár)",
-  "Background Image (Reader)": "Háttérkép (Olvasónézet)"
+  "Background Image (Reader)": "Háttérkép (Olvasónézet)",
+  "updated metadata for {{n}} book(s)": "{{n}} könyv metaadatai frissítve",
+  "{{n}} metadata": "{{n}} metaadat",
+  "Metadata updated": "Metaadatok frissítve"
 }
diff --git a/apps/readest-app/public/locales/id/translation.json b/apps/readest-app/public/locales/id/translation.json
index 50168e1e..d5aa72c7 100644
--- a/apps/readest-app/public/locales/id/translation.json
+++ b/apps/readest-app/public/locales/id/translation.json
@@ -1758,5 +1758,8 @@
   "This permanently erases reading progress, notes, and bookmarks. This cannot be undone.": "Ini menghapus permanen progres membaca, catatan, dan penanda. Tindakan ini tidak dapat dibatalkan.",
   "Also erase reading progress, notes, and bookmarks.": "Juga menghapus progres membaca, catatan, dan penanda.",
   "Background Image (Library)": "Gambar Latar Belakang (Perpustakaan)",
-  "Background Image (Reader)": "Gambar Latar Belakang (Tampilan Baca)"
+  "Background Image (Reader)": "Gambar Latar Belakang (Tampilan Baca)",
+  "updated metadata for {{n}} book(s)": "metadata diperbarui untuk {{n}} buku",
+  "{{n}} metadata": "{{n}} metadata",
+  "Metadata updated": "Metadata diperbarui"
 }
diff --git a/apps/readest-app/public/locales/it/translation.json b/apps/readest-app/public/locales/it/translation.json
index d835f298..b676b933 100644
--- a/apps/readest-app/public/locales/it/translation.json
+++ b/apps/readest-app/public/locales/it/translation.json
@@ -1824,5 +1824,8 @@
   "This permanently erases reading progress, notes, and bookmarks. This cannot be undone.": "Questa operazione cancella definitivamente il progresso di lettura, le note e i segnalibri. Non può essere annullata.",
   "Also erase reading progress, notes, and bookmarks.": "Cancella anche il progresso di lettura, le note e i segnalibri.",
   "Background Image (Library)": "Immagine di sfondo (Libreria)",
-  "Background Image (Reader)": "Immagine di sfondo (Vista di lettura)"
+  "Background Image (Reader)": "Immagine di sfondo (Vista di lettura)",
+  "updated metadata for {{n}} book(s)": "metadati aggiornati per {{n}} libro/i",
+  "{{n}} metadata": "{{n}} metadati",
+  "Metadata updated": "Metadati aggiornati"
 }
diff --git a/apps/readest-app/public/locales/ja/translation.json b/apps/readest-app/public/locales/ja/translation.json
index f591c979..96da46d9 100644
--- a/apps/readest-app/public/locales/ja/translation.json
+++ b/apps/readest-app/public/locales/ja/translation.json
@@ -1758,5 +1758,8 @@
   "This permanently erases reading progress, notes, and bookmarks. This cannot be undone.": "読書進捗、メモ、ブックマークが完全に消去されます。この操作は元に戻せません。",
   "Also erase reading progress, notes, and bookmarks.": "読書進捗、メモ、ブックマークも消去します。",
   "Background Image (Library)": "背景画像（ライブラリ）",
-  "Background Image (Reader)": "背景画像（リーダー）"
+  "Background Image (Reader)": "背景画像（リーダー）",
+  "updated metadata for {{n}} book(s)": "{{n}} 冊分のメタデータを更新",
+  "{{n}} metadata": "{{n}} 件メタデータ",
+  "Metadata updated": "更新したメタデータ"
 }
diff --git a/apps/readest-app/public/locales/ko/translation.json b/apps/readest-app/public/locales/ko/translation.json
index 125664b2..cedba22f 100644
--- a/apps/readest-app/public/locales/ko/translation.json
+++ b/apps/readest-app/public/locales/ko/translation.json
@@ -1758,5 +1758,8 @@
   "This permanently erases reading progress, notes, and bookmarks. This cannot be undone.": "읽기 진행 상황, 메모, 북마크가 영구적으로 지워집니다. 이 작업은 되돌릴 수 없습니다.",
   "Also erase reading progress, notes, and bookmarks.": "읽기 진행 상황, 메모, 북마크도 함께 지웁니다.",
   "Background Image (Library)": "배경 이미지 (라이브러리)",
-  "Background Image (Reader)": "배경 이미지 (리더)"
+  "Background Image (Reader)": "배경 이미지 (리더)",
+  "updated metadata for {{n}} book(s)": "{{n}}권의 메타데이터 업데이트됨",
+  "{{n}} metadata": "{{n}} 메타데이터",
+  "Metadata updated": "메타데이터 업데이트됨"
 }
diff --git a/apps/readest-app/public/locales/ms/translation.json b/apps/readest-app/public/locales/ms/translation.json
index 11c51d5f..366b6ac4 100644
--- a/apps/readest-app/public/locales/ms/translation.json
+++ b/apps/readest-app/public/locales/ms/translation.json
@@ -1758,5 +1758,8 @@
   "This permanently erases reading progress, notes, and bookmarks. This cannot be undone.": "Ini memadam kemajuan membaca, nota dan penanda buku secara kekal. Tindakan ini tidak boleh dibatalkan.",
   "Also erase reading progress, notes, and bookmarks.": "Turut memadam kemajuan membaca, nota dan penanda buku.",
   "Background Image (Library)": "Imej Latar Belakang (Perpustakaan)",
-  "Background Image (Reader)": "Imej Latar Belakang (Paparan Bacaan)"
+  "Background Image (Reader)": "Imej Latar Belakang (Paparan Bacaan)",
+  "updated metadata for {{n}} book(s)": "metadata dikemas kini untuk {{n}} buku",
+  "{{n}} metadata": "{{n}} metadata",
+  "Metadata updated": "Metadata dikemas kini"
 }
diff --git a/apps/readest-app/public/locales/nl/translation.json b/apps/readest-app/public/locales/nl/translation.json
index 3adab7a6..bdea4d29 100644
--- a/apps/readest-app/public/locales/nl/translation.json
+++ b/apps/readest-app/public/locales/nl/translation.json
@@ -1791,5 +1791,8 @@
   "This permanently erases reading progress, notes, and bookmarks. This cannot be undone.": "Hiermee worden leesvoortgang, notities en bladwijzers permanent gewist. Dit kan niet ongedaan worden gemaakt.",
   "Also erase reading progress, notes, and bookmarks.": "Wist ook leesvoortgang, notities en bladwijzers.",
   "Background Image (Library)": "Achtergrondafbeelding (Bibliotheek)",
-  "Background Image (Reader)": "Achtergrondafbeelding (Leesweergave)"
+  "Background Image (Reader)": "Achtergrondafbeelding (Leesweergave)",
+  "updated metadata for {{n}} book(s)": "metadata bijgewerkt voor {{n}} boek(en)",
+  "{{n}} metadata": "{{n}} metadata",
+  "Metadata updated": "Metadata bijgewerkt"
 }
diff --git a/apps/readest-app/public/locales/pl/translation.json b/apps/readest-app/public/locales/pl/translation.json
index 21777d17..098c4b52 100644
--- a/apps/readest-app/public/locales/pl/translation.json
+++ b/apps/readest-app/public/locales/pl/translation.json
@@ -1857,5 +1857,8 @@
   "This permanently erases reading progress, notes, and bookmarks. This cannot be undone.": "Spowoduje to trwałe usunięcie postępu czytania, notatek i zakładek. Tej operacji nie można cofnąć.",
   "Also erase reading progress, notes, and bookmarks.": "Usuwa również postęp czytania, notatki i zakładki.",
   "Background Image (Library)": "Obraz tła (Biblioteka)",
-  "Background Image (Reader)": "Obraz tła (Widok czytania)"
+  "Background Image (Reader)": "Obraz tła (Widok czytania)",
+  "updated metadata for {{n}} book(s)": "zaktualizowano metadane dla {{n}} książek",
+  "{{n}} metadata": "{{n}} metadane",
+  "Metadata updated": "Zaktualizowane metadane"
 }
diff --git a/apps/readest-app/public/locales/pt-BR/translation.json b/apps/readest-app/public/locales/pt-BR/translation.json
index 353dd54e..04c1465a 100644
--- a/apps/readest-app/public/locales/pt-BR/translation.json
+++ b/apps/readest-app/public/locales/pt-BR/translation.json
@@ -1824,5 +1824,8 @@
   "This permanently erases reading progress, notes, and bookmarks. This cannot be undone.": "Isso apaga permanentemente o progresso de leitura, as notas e os marcadores. Esta ação não pode ser desfeita.",
   "Also erase reading progress, notes, and bookmarks.": "Também apaga o progresso de leitura, as notas e os marcadores.",
   "Background Image (Library)": "Imagem de fundo (Biblioteca)",
-  "Background Image (Reader)": "Imagem de fundo (Vista de leitura)"
+  "Background Image (Reader)": "Imagem de fundo (Vista de leitura)",
+  "updated metadata for {{n}} book(s)": "metadados atualizados de {{n}} livro(s)",
+  "{{n}} metadata": "{{n}} metadados",
+  "Metadata updated": "Metadados atualizados"
 }
diff --git a/apps/readest-app/public/locales/pt/translation.json b/apps/readest-app/public/locales/pt/translation.json
index 94bc809b..a1f420b2 100644
--- a/apps/readest-app/public/locales/pt/translation.json
+++ b/apps/readest-app/public/locales/pt/translation.json
@@ -1824,5 +1824,8 @@
   "This permanently erases reading progress, notes, and bookmarks. This cannot be undone.": "Isto apaga permanentemente o progresso de leitura, notas e marcadores. Esta ação não pode ser desfeita.",
   "Also erase reading progress, notes, and bookmarks.": "Também apaga o progresso de leitura, notas e marcadores.",
   "Background Image (Library)": "Imagem de Fundo (Biblioteca)",
-  "Background Image (Reader)": "Imagem de Fundo (Vista de leitura)"
+  "Background Image (Reader)": "Imagem de Fundo (Vista de leitura)",
+  "updated metadata for {{n}} book(s)": "metadados atualizados de {{n}} livro(s)",
+  "{{n}} metadata": "{{n}} metadados",
+  "Metadata updated": "Metadados atualizados"
 }
diff --git a/apps/readest-app/public/locales/ro/translation.json b/apps/readest-app/public/locales/ro/translation.json
index dcd05cae..05c6222a 100644
--- a/apps/readest-app/public/locales/ro/translation.json
+++ b/apps/readest-app/public/locales/ro/translation.json
@@ -1824,5 +1824,8 @@
   "This permanently erases reading progress, notes, and bookmarks. This cannot be undone.": "Aceasta șterge definitiv progresul citirii, notele și marcajele. Această acțiune nu poate fi anulată.",
   "Also erase reading progress, notes, and bookmarks.": "Șterge de asemenea progresul citirii, notele și marcajele.",
   "Background Image (Library)": "Imagine de fundal (Bibliotecă)",
-  "Background Image (Reader)": "Imagine de fundal (Vizualizare de lectură)"
+  "Background Image (Reader)": "Imagine de fundal (Vizualizare de lectură)",
+  "updated metadata for {{n}} book(s)": "metadate actualizate pentru {{n}} carte/cărți",
+  "{{n}} metadata": "{{n}} metadate",
+  "Metadata updated": "Metadate actualizate"
 }
diff --git a/apps/readest-app/public/locales/ru/translation.json b/apps/readest-app/public/locales/ru/translation.json
index d11145b4..611041a1 100644
--- a/apps/readest-app/public/locales/ru/translation.json
+++ b/apps/readest-app/public/locales/ru/translation.json
@@ -1857,5 +1857,8 @@
   "This permanently erases reading progress, notes, and bookmarks. This cannot be undone.": "Это безвозвратно удалит прогресс чтения, заметки и закладки. Это действие нельзя отменить.",
   "Also erase reading progress, notes, and bookmarks.": "Также удаляет прогресс чтения, заметки и закладки.",
   "Background Image (Library)": "Фоновое изображение (Библиотека)",
-  "Background Image (Reader)": "Фоновое изображение (Режим чтения)"
+  "Background Image (Reader)": "Фоновое изображение (Режим чтения)",
+  "updated metadata for {{n}} book(s)": "обновлены метаданные для {{n}} книг",
+  "{{n}} metadata": "{{n}} метаданные",
+  "Metadata updated": "Метаданные обновлены"
 }
diff --git a/apps/readest-app/public/locales/si/translation.json b/apps/readest-app/public/locales/si/translation.json
index 46b4d0b5..7e3a7bb3 100644
--- a/apps/readest-app/public/locales/si/translation.json
+++ b/apps/readest-app/public/locales/si/translation.json
@@ -1791,5 +1791,8 @@
   "This permanently erases reading progress, notes, and bookmarks. This cannot be undone.": "මෙය කියවීමේ ප්‍රගතිය, සටහන් සහ පොත් සලකුණු ස්ථිරවම මකා දමයි. මෙය අහෝසි කළ නොහැක.",
   "Also erase reading progress, notes, and bookmarks.": "කියවීමේ ප්‍රගතිය, සටහන් සහ පොත් සලකුණු ද මකා දමයි.",
   "Background Image (Library)": "පසුබිම් රූපය (පුස්තකාලය)",
-  "Background Image (Reader)": "පසුබිම් රූපය (කියවීමේ දසුන)"
+  "Background Image (Reader)": "පසුබිම් රූපය (කියවීමේ දසුන)",
+  "updated metadata for {{n}} book(s)": "පොත් {{n}}ක මෙටාඩේටා යාවත්කාලීන කරන ලදී",
+  "{{n}} metadata": "{{n}} මෙටාඩේටා",
+  "Metadata updated": "මෙටාඩේටා යාවත්කාලීන කරන ලදී"
 }
diff --git a/apps/readest-app/public/locales/sl/translation.json b/apps/readest-app/public/locales/sl/translation.json
index df274a9c..fb449824 100644
--- a/apps/readest-app/public/locales/sl/translation.json
+++ b/apps/readest-app/public/locales/sl/translation.json
@@ -1857,5 +1857,8 @@
   "This permanently erases reading progress, notes, and bookmarks. This cannot be undone.": "To trajno izbriše napredek branja, opombe in zaznamke. Tega ni mogoče razveljaviti.",
   "Also erase reading progress, notes, and bookmarks.": "Izbriše tudi napredek branja, opombe in zaznamke.",
   "Background Image (Library)": "Slikovno ozadje (Knjižnica)",
-  "Background Image (Reader)": "Slikovno ozadje (Bralni pogled)"
+  "Background Image (Reader)": "Slikovno ozadje (Bralni pogled)",
+  "updated metadata for {{n}} book(s)": "posodobljeni metapodatki za {{n}} knjig",
+  "{{n}} metadata": "{{n}} metapodatki",
+  "Metadata updated": "Metapodatki posodobljeni"
 }
diff --git a/apps/readest-app/public/locales/sv/translation.json b/apps/readest-app/public/locales/sv/translation.json
index a62607c6..3c5ea89b 100644
--- a/apps/readest-app/public/locales/sv/translation.json
+++ b/apps/readest-app/public/locales/sv/translation.json
@@ -1791,5 +1791,8 @@
   "This permanently erases reading progress, notes, and bookmarks. This cannot be undone.": "Detta raderar permanent läsframsteg, anteckningar och bokmärken. Detta kan inte ångras.",
   "Also erase reading progress, notes, and bookmarks.": "Raderar även läsframsteg, anteckningar och bokmärken.",
   "Background Image (Library)": "Bakgrundsbild (Bibliotek)",
-  "Background Image (Reader)": "Bakgrundsbild (Läsvy)"
+  "Background Image (Reader)": "Bakgrundsbild (Läsvy)",
+  "updated metadata for {{n}} book(s)": "uppdaterade metadata för {{n}} bok/böcker",
+  "{{n}} metadata": "{{n}} metadata",
+  "Metadata updated": "Metadata uppdaterad"
 }
diff --git a/apps/readest-app/public/locales/ta/translation.json b/apps/readest-app/public/locales/ta/translation.json
index 7a053aa7..b761dc0b 100644
--- a/apps/readest-app/public/locales/ta/translation.json
+++ b/apps/readest-app/public/locales/ta/translation.json
@@ -1791,5 +1791,8 @@
   "This permanently erases reading progress, notes, and bookmarks. This cannot be undone.": "இது வாசிப்பு முன்னேற்றம், குறிப்புகள் மற்றும் புக்மார்க்குகளை நிரந்தரமாக அழிக்கும். இதை மீட்டெடுக்க முடியாது.",
   "Also erase reading progress, notes, and bookmarks.": "வாசிப்பு முன்னேற்றம், குறிப்புகள் மற்றும் புக்மார்க்குகளையும் அழிக்கும்.",
   "Background Image (Library)": "பின்னணி படம் (நூலகம்)",
-  "Background Image (Reader)": "பின்னணி படம் (வாசிப்புப் பக்கம்)"
+  "Background Image (Reader)": "பின்னணி படம் (வாசிப்புப் பக்கம்)",
+  "updated metadata for {{n}} book(s)": "{{n}} புத்தகத்தின் மெட்டாடேட்டா புதுப்பிக்கப்பட்டது",
+  "{{n}} metadata": "{{n}} மெட்டாடேட்டா",
+  "Metadata updated": "மெட்டாடேட்டா புதுப்பிக்கப்பட்டது"
 }
diff --git a/apps/readest-app/public/locales/th/translation.json b/apps/readest-app/public/locales/th/translation.json
index 44edd147..aa50894b 100644
--- a/apps/readest-app/public/locales/th/translation.json
+++ b/apps/readest-app/public/locales/th/translation.json
@@ -1758,5 +1758,8 @@
   "This permanently erases reading progress, notes, and bookmarks. This cannot be undone.": "การดำเนินการนี้จะลบความคืบหน้าในการอ่าน บันทึก และบุ๊กมาร์กอย่างถาวร ไม่สามารถเลิกทำได้",
   "Also erase reading progress, notes, and bookmarks.": "ลบความคืบหน้าในการอ่าน บันทึก และบุ๊กมาร์กด้วย",
   "Background Image (Library)": "ภาพพื้นหลัง (คลังหนังสือ)",
-  "Background Image (Reader)": "ภาพพื้นหลัง (มุมมองการอ่าน)"
+  "Background Image (Reader)": "ภาพพื้นหลัง (มุมมองการอ่าน)",
+  "updated metadata for {{n}} book(s)": "อัปเดตเมทาดาตาสำหรับ {{n}} เล่ม",
+  "{{n}} metadata": "{{n}} เมทาดาตา",
+  "Metadata updated": "อัปเดตเมทาดาตาแล้ว"
 }
diff --git a/apps/readest-app/public/locales/tr/translation.json b/apps/readest-app/public/locales/tr/translation.json
index 5ecfbb9b..de8b2566 100644
--- a/apps/readest-app/public/locales/tr/translation.json
+++ b/apps/readest-app/public/locales/tr/translation.json
@@ -1791,5 +1791,8 @@
   "This permanently erases reading progress, notes, and bookmarks. This cannot be undone.": "Bu, okuma ilerlemesini, notları ve yer işaretlerini kalıcı olarak siler. Bu işlem geri alınamaz.",
   "Also erase reading progress, notes, and bookmarks.": "Okuma ilerlemesi, notlar ve yer işaretlerini de siler.",
   "Background Image (Library)": "Arka Plan Görüntüsü (Kütüphane)",
-  "Background Image (Reader)": "Arka Plan Görüntüsü (Okuma Görünümü)"
+  "Background Image (Reader)": "Arka Plan Görüntüsü (Okuma Görünümü)",
+  "updated metadata for {{n}} book(s)": "{{n}} kitabın meta verileri güncellendi",
+  "{{n}} metadata": "{{n}} meta veri",
+  "Metadata updated": "Meta veriler güncellendi"
 }
diff --git a/apps/readest-app/public/locales/uk/translation.json b/apps/readest-app/public/locales/uk/translation.json
index 71f98620..606ed5e5 100644
--- a/apps/readest-app/public/locales/uk/translation.json
+++ b/apps/readest-app/public/locales/uk/translation.json
@@ -1857,5 +1857,8 @@
   "This permanently erases reading progress, notes, and bookmarks. This cannot be undone.": "Це назавжди видалить проґрес читання, нотатки та закладки. Цю дію не можна скасувати.",
   "Also erase reading progress, notes, and bookmarks.": "Також видаляє проґрес читання, нотатки та закладки.",
   "Background Image (Library)": "Фонове зображення (Бібліотека)",
-  "Background Image (Reader)": "Фонове зображення (Режим читання)"
+  "Background Image (Reader)": "Фонове зображення (Режим читання)",
+  "updated metadata for {{n}} book(s)": "оновлено метадані для {{n}} книг",
+  "{{n}} metadata": "{{n}} метадані",
+  "Metadata updated": "Метадані оновлено"
 }
diff --git a/apps/readest-app/public/locales/uz/translation.json b/apps/readest-app/public/locales/uz/translation.json
index 4054d10f..db9cde80 100644
--- a/apps/readest-app/public/locales/uz/translation.json
+++ b/apps/readest-app/public/locales/uz/translation.json
@@ -1791,5 +1791,8 @@
   "This permanently erases reading progress, notes, and bookmarks. This cannot be undone.": "Bu oʻqish jarayoni, eslatmalar va xatchoʻplarni butunlay oʻchiradi. Buni qaytarib boʻlmaydi.",
   "Also erase reading progress, notes, and bookmarks.": "Shuningdek, oʻqish jarayoni, eslatmalar va xatchoʻplarni ham oʻchiradi.",
   "Background Image (Library)": "Fon rasmi (Kutubxona)",
-  "Background Image (Reader)": "Fon rasmi (Oʻqish koʻrinishi)"
+  "Background Image (Reader)": "Fon rasmi (Oʻqish koʻrinishi)",
+  "updated metadata for {{n}} book(s)": "{{n}} ta kitob metamaʼlumotlari yangilandi",
+  "{{n}} metadata": "{{n}} metamaʼlumot",
+  "Metadata updated": "Metamaʼlumotlar yangilandi"
 }
diff --git a/apps/readest-app/public/locales/vi/translation.json b/apps/readest-app/public/locales/vi/translation.json
index bcbc17a2..81b6f9eb 100644
--- a/apps/readest-app/public/locales/vi/translation.json
+++ b/apps/readest-app/public/locales/vi/translation.json
@@ -1758,5 +1758,8 @@
   "This permanently erases reading progress, notes, and bookmarks. This cannot be undone.": "Thao tác này xóa vĩnh viễn tiến độ đọc, ghi chú và dấu trang. Không thể hoàn tác.",
   "Also erase reading progress, notes, and bookmarks.": "Đồng thời xóa tiến độ đọc, ghi chú và dấu trang.",
   "Background Image (Library)": "Ảnh nền (Thư viện)",
-  "Background Image (Reader)": "Ảnh nền (Trình đọc)"
+  "Background Image (Reader)": "Ảnh nền (Trình đọc)",
+  "updated metadata for {{n}} book(s)": "đã cập nhật siêu dữ liệu cho {{n}} sách",
+  "{{n}} metadata": "{{n}} siêu dữ liệu",
+  "Metadata updated": "Đã cập nhật siêu dữ liệu"
 }
diff --git a/apps/readest-app/public/locales/zh-CN/translation.json b/apps/readest-app/public/locales/zh-CN/translation.json
index 69baf40b..dc5f87cd 100644
--- a/apps/readest-app/public/locales/zh-CN/translation.json
+++ b/apps/readest-app/public/locales/zh-CN/translation.json
@@ -1758,5 +1758,8 @@
   "This permanently erases reading progress, notes, and bookmarks. This cannot be undone.": "这将永久清除阅读进度、笔记和书签，且无法撤销。",
   "Also erase reading progress, notes, and bookmarks.": "同时清除阅读进度、笔记和书签。",
   "Background Image (Library)": "背景图片（书库）",
-  "Background Image (Reader)": "背景图片（阅读界面）"
+  "Background Image (Reader)": "背景图片（阅读界面）",
+  "updated metadata for {{n}} book(s)": "已更新 {{n}} 本书的元数据",
+  "{{n}} metadata": "{{n}} 元数据",
+  "Metadata updated": "已更新元数据"
 }
diff --git a/apps/readest-app/public/locales/zh-TW/translation.json b/apps/readest-app/public/locales/zh-TW/translation.json
index ea425542..cf287825 100644
--- a/apps/readest-app/public/locales/zh-TW/translation.json
+++ b/apps/readest-app/public/locales/zh-TW/translation.json
@@ -1758,5 +1758,8 @@
   "This permanently erases reading progress, notes, and bookmarks. This cannot be undone.": "這將永久清除閱讀進度、筆記和書籤，且無法復原。",
   "Also erase reading progress, notes, and bookmarks.": "同時清除閱讀進度、筆記和書籤。",
   "Background Image (Library)": "背景圖片（書庫）",
-  "Background Image (Reader)": "背景圖片（閱讀介面）"
+  "Background Image (Reader)": "背景圖片（閱讀介面）",
+  "updated metadata for {{n}} book(s)": "已更新 {{n}} 本書的中繼資料",
+  "{{n}} metadata": "{{n}} 中繼資料",
+  "Metadata updated": "已更新中繼資料"
 }
diff --git a/apps/readest-app/src/__tests__/services/webdav-metadata-sync.test.ts b/apps/readest-app/src/__tests__/services/webdav-metadata-sync.test.ts
new file mode 100644
index 00000000..a6f9b51e
--- /dev/null
+++ b/apps/readest-app/src/__tests__/services/webdav-metadata-sync.test.ts
@@ -0,0 +1,277 @@
+import { afterEach, beforeEach, describe, expect, test, vi } from 'vitest';
+
+import type { WebDAVSettings } from '@/types/settings';
+import type { Book, BookConfig, BookNote } from '@/types/book';
+
+/**
+ * Regression tests for issue #4756: once a device already has a book in its
+ * local library, the manual "Sync now" path never pulled the book's metadata
+ * (title / author / cover) back from the shared `library.json`, and the final
+ * index re-push clobbered the remote with the device's stale copy.
+ *
+ * These tests mock the WebDAVClient I/O primitives so we can drive
+ * `syncLibrary` deterministically without a real server, and assert the
+ * last-writer-wins reconciliation on `book.updatedAt`.
+ */
+
+vi.mock('@/services/webdav/WebDAVClient', async (importActual) => {
+  const actual = await importActual<typeof import('@/services/webdav/WebDAVClient')>();
+  return {
+    ...actual,
+    getFile: vi.fn(),
+    getFileBinary: vi.fn(),
+    headFile: vi.fn(),
+    listDirectory: vi.fn(),
+    putFile: vi.fn(),
+    putFileBinary: vi.fn(),
+    ensureDirectory: vi.fn(),
+    deleteDirectory: vi.fn(),
+  };
+});
+
+import {
+  getFile,
+  getFileBinary,
+  headFile,
+  listDirectory,
+  putFile,
+  putFileBinary,
+  ensureDirectory,
+} from '@/services/webdav/WebDAVClient';
+import {
+  syncLibrary,
+  type RemoteLibraryIndex,
+  type RemoteBookConfig,
+} from '@/services/webdav/WebDAVSync';
+
+const settings: WebDAVSettings = {
+  enabled: true,
+  serverUrl: 'https://dav.example.com',
+  username: 'alice',
+  password: 'secret',
+  rootPath: '/',
+};
+
+const makeLocalBook = (overrides: Partial<Book> = {}): Book => ({
+  hash: 'h1',
+  format: 'EPUB',
+  title: 'Old Title',
+  sourceTitle: 'Old Title',
+  author: 'Old Author',
+  createdAt: 1,
+  updatedAt: 100,
+  ...overrides,
+});
+
+const makeRemoteIndex = (book: Book, updatedAt = book.updatedAt): RemoteLibraryIndex => ({
+  schemaVersion: 1,
+  updatedAt,
+  books: [book],
+});
+
+/**
+ * Route `getFile` by path: library.json → index JSON, config.json → the
+ * supplied remote envelope (or null when none).
+ */
+const wireGetFile = (
+  index: RemoteLibraryIndex | null,
+  remoteConfig: RemoteBookConfig | null = null,
+) => {
+  (getFile as ReturnType<typeof vi.fn>).mockImplementation(async (_client, path: string) => {
+    if (path.endsWith('library.json')) return index ? JSON.stringify(index) : null;
+    if (path.endsWith('config.json')) return remoteConfig ? JSON.stringify(remoteConfig) : null;
+    return null;
+  });
+};
+
+/** Capture the library index that was re-pushed at the end of the sync. */
+const capturePushedIndex = (): { value: RemoteLibraryIndex | null } => {
+  const captured: { value: RemoteLibraryIndex | null } = { value: null };
+  (putFile as ReturnType<typeof vi.fn>).mockImplementation(async (_client, path: string, body) => {
+    if (path.endsWith('library.json')) captured.value = JSON.parse(body as string);
+  });
+  return captured;
+};
+
+/** Capture the per-book config envelope pushed to <hash>/config.json. */
+const capturePushedConfig = (): { value: RemoteBookConfig | null } => {
+  const captured: { value: RemoteBookConfig | null } = { value: null };
+  (putFile as ReturnType<typeof vi.fn>).mockImplementation(async (_client, path: string, body) => {
+    if (path.endsWith('config.json')) captured.value = JSON.parse(body as string);
+  });
+  return captured;
+};
+
+const makeNote = (id: string, updatedAt: number): BookNote => ({
+  id,
+  type: 'annotation',
+  cfi: `cfi-${id}`,
+  note: '',
+  createdAt: updatedAt,
+  updatedAt,
+});
+
+const makeRemoteConfig = (overrides: Partial<RemoteBookConfig> = {}): RemoteBookConfig => ({
+  schemaVersion: 1,
+  bookHash: 'h1',
+  config: { updatedAt: 100 },
+  booknotes: [],
+  writerDeviceId: 'mobile',
+  writerVersion: 'readest-webdav-1',
+  updatedAt: 100,
+  ...overrides,
+});
+
+beforeEach(() => {
+  vi.clearAllMocks();
+  (listDirectory as ReturnType<typeof vi.fn>).mockResolvedValue([]);
+  (getFileBinary as ReturnType<typeof vi.fn>).mockResolvedValue(new ArrayBuffer(8));
+  (headFile as ReturnType<typeof vi.fn>).mockResolvedValue(null);
+  (putFile as ReturnType<typeof vi.fn>).mockResolvedValue(undefined);
+  (putFileBinary as ReturnType<typeof vi.fn>).mockResolvedValue(undefined);
+  (ensureDirectory as ReturnType<typeof vi.fn>).mockResolvedValue(undefined);
+});
+
+afterEach(() => {
+  vi.restoreAllMocks();
+});
+
+const baseOptions = () => ({
+  strategy: 'silent' as const,
+  syncBooks: false,
+  deviceId: 'pc-device',
+  loadConfig: async (): Promise<BookConfig> => ({ updatedAt: 50, booknotes: [] }),
+  loadBookFile: async () => null,
+  loadBookCover: async () => null,
+  onProgress: () => {},
+});
+
+describe('syncLibrary metadata reconciliation (#4756)', () => {
+  test('pulls newer remote metadata for a book the device already has', async () => {
+    const local = makeLocalBook({ updatedAt: 100 });
+    const remote = makeLocalBook({
+      title: 'New Title',
+      author: 'New Author',
+      updatedAt: 200,
+    });
+    wireGetFile(makeRemoteIndex(remote, 200));
+    const pushedIndex = capturePushedIndex();
+
+    const updateBookMetadata = vi.fn(async (_book: Book) => {});
+    const saveBookCover = vi.fn(async (_book: Book, _bytes: ArrayBuffer) => {});
+
+    const result = await syncLibrary(settings, [local], {
+      ...baseOptions(),
+      updateBookMetadata,
+      saveBookCover,
+    });
+
+    // The device must learn the remote title/author.
+    expect(updateBookMetadata).toHaveBeenCalledTimes(1);
+    const merged = updateBookMetadata.mock.calls[0]![0];
+    expect(merged.title).toBe('New Title');
+    expect(merged.author).toBe('New Author');
+    expect(result.metadataUpdated).toBe(1);
+
+    // The cover must be re-pulled so a changed cover propagates.
+    expect(saveBookCover).toHaveBeenCalledTimes(1);
+
+    // The re-pushed index must carry the newer metadata, not clobber it.
+    expect(pushedIndex.value).not.toBeNull();
+    const indexedBook = pushedIndex.value!.books.find((b) => b.hash === 'h1')!;
+    expect(indexedBook.title).toBe('New Title');
+  });
+
+  test('does not overwrite local metadata when the local copy is newer', async () => {
+    const local = makeLocalBook({ title: 'Local Newer', updatedAt: 300 });
+    const remote = makeLocalBook({ title: 'Remote Older', updatedAt: 200 });
+    wireGetFile(makeRemoteIndex(remote, 200));
+    const pushedIndex = capturePushedIndex();
+
+    const updateBookMetadata = vi.fn(async (_book: Book) => {});
+
+    const result = await syncLibrary(settings, [local], {
+      ...baseOptions(),
+      updateBookMetadata,
+    });
+
+    expect(updateBookMetadata).not.toHaveBeenCalled();
+    expect(result.metadataUpdated).toBe(0);
+
+    // Local wins: the re-pushed index keeps the local title.
+    const indexedBook = pushedIndex.value!.books.find((b) => b.hash === 'h1')!;
+    expect(indexedBook.title).toBe('Local Newer');
+  });
+});
+
+describe('syncLibrary config merge before push (Sync now must not blind-overwrite)', () => {
+  test('unions remote booknotes into the pushed config instead of clobbering them', async () => {
+    const local = makeLocalBook({ updatedAt: 100 });
+    // Same updatedAt in the index so the metadata pass is a no-op — this
+    // isolates the config/notes path.
+    wireGetFile(
+      makeRemoteIndex(makeLocalBook({ updatedAt: 100 }), 100),
+      makeRemoteConfig({ config: { updatedAt: 100 }, booknotes: [makeNote('remote-note', 100)] }),
+    );
+    const pushedConfig = capturePushedConfig();
+
+    await syncLibrary(settings, [local], {
+      ...baseOptions(),
+      loadConfig: async (): Promise<BookConfig> => ({
+        updatedAt: 50,
+        booknotes: [makeNote('local-note', 50)],
+      }),
+    });
+
+    // The pushed envelope must carry BOTH notes — a blind push would have
+    // dropped the peer's note that this device never pulled.
+    expect(pushedConfig.value).not.toBeNull();
+    const ids = pushedConfig.value!.booknotes.map((n) => n.id).sort();
+    expect(ids).toEqual(['local-note', 'remote-note']);
+  });
+
+  test('does not regress newer remote progress with an older local push', async () => {
+    const local = makeLocalBook({ updatedAt: 100 });
+    wireGetFile(
+      makeRemoteIndex(makeLocalBook({ updatedAt: 100 }), 100),
+      makeRemoteConfig({ config: { updatedAt: 200, progress: [50, 100] }, booknotes: [] }),
+    );
+    const pushedConfig = capturePushedConfig();
+
+    await syncLibrary(settings, [local], {
+      ...baseOptions(),
+      loadConfig: async (): Promise<BookConfig> => ({
+        updatedAt: 50,
+        progress: [10, 100],
+        booknotes: [],
+      }),
+    });
+
+    // Remote progress is newer (updatedAt 200 > 50): the LWW merge must push
+    // the remote's page, never regress it back to the local page.
+    expect(pushedConfig.value!.config.progress).toEqual([50, 100]);
+  });
+
+  test('send strategy keeps the blind push (local authoritative, no pull-merge)', async () => {
+    const local = makeLocalBook({ updatedAt: 100 });
+    wireGetFile(
+      null,
+      makeRemoteConfig({ config: { updatedAt: 200 }, booknotes: [makeNote('remote-note', 200)] }),
+    );
+    const pushedConfig = capturePushedConfig();
+
+    await syncLibrary(settings, [local], {
+      ...baseOptions(),
+      strategy: 'send',
+      loadConfig: async (): Promise<BookConfig> => ({
+        updatedAt: 50,
+        booknotes: [makeNote('local-note', 50)],
+      }),
+    });
+
+    // 'send' deliberately treats local as the source of truth — it must not
+    // pull the remote note in.
+    const ids = pushedConfig.value!.booknotes.map((n) => n.id);
+    expect(ids).toEqual(['local-note']);
+  });
+});
diff --git a/apps/readest-app/src/components/settings/integrations/WebDAVForm.tsx b/apps/readest-app/src/components/settings/integrations/WebDAVForm.tsx
index cb6545d9..70d61f25 100644
--- a/apps/readest-app/src/components/settings/integrations/WebDAVForm.tsx
+++ b/apps/readest-app/src/components/settings/integrations/WebDAVForm.tsx
@@ -410,6 +410,20 @@ const WebDAVForm: React.FC<WebDAVFormProps> = ({ onBack }) => {
           // library that's already persisted on disk.
           setLibrary(newLibrary);
         },
+        updateBookMetadata: async (book) => {
+          if (!appService) return;
+          // The cover bytes were just refreshed via saveBookCover, so
+          // regenerate the device-local blob URL the bookshelf renders.
+          try {
+            book.coverImageUrl = await appService.generateCoverImageUrl(book);
+          } catch (e) {
+            console.warn('WD library sync: cover URL generation failed', book.hash, e);
+          }
+          book.syncedAt = Date.now();
+          // updateBook persists via saveLibraryBooks and refreshes the store,
+          // so the new title / author / cover show up without a reload.
+          await useLibraryStore.getState().updateBook(envConfig, book);
+        },
         onProgress: ({ book, index, total, action }) => {
           const actionStr = action === 'downloading' ? _('Downloading') : _('Uploading');
           updateProgress(
@@ -431,6 +445,9 @@ const WebDAVForm: React.FC<WebDAVFormProps> = ({ onBack }) => {
       if (result.configsDownloaded > 0) {
         parts.push(_('pulled progress for {{n}} book(s)', { n: result.configsDownloaded }));
       }
+      if (result.metadataUpdated > 0) {
+        parts.push(_('updated metadata for {{n}} book(s)', { n: result.metadataUpdated }));
+      }
       if (result.configsUploaded > 0) {
         parts.push(_('pushed {{n}} config(s)', { n: result.configsUploaded }));
       }
diff --git a/apps/readest-app/src/services/webdav/WebDAVSync.ts b/apps/readest-app/src/services/webdav/WebDAVSync.ts
index 1c753ec7..d64c9f4d 100644
--- a/apps/readest-app/src/services/webdav/WebDAVSync.ts
+++ b/apps/readest-app/src/services/webdav/WebDAVSync.ts
@@ -140,6 +140,28 @@ const mergeNotes = (local: BookNote[], remote: BookNote[]): BookNote[] => {
   return Array.from(byId.values());
 };
 
+/**
+ * Overlay the user-facing metadata of `remote` onto `local`, preserving every
+ * device-local / file-system field: `filePath`, `sourceTitle` (which names the
+ * on-disk file), `coverImageUrl` (a device-local blob URL the caller
+ * regenerates), reading progress, reading status, group membership, `hash`,
+ * `format`, `createdAt`, etc.
+ *
+ * Only the fields a metadata edit actually changes travel — this list mirrors
+ * `getBookWithUpdatedMetadata` in `utils/book.ts`, which is the local side of
+ * the same operation. The cover image is replicated separately as cover.png
+ * bytes (see the reconciliation pass in `syncLibrary`), so it is intentionally
+ * absent here.
+ */
+const mergeRemoteBookMetadata = (local: Book, remote: Book): Book => ({
+  ...local,
+  title: remote.title,
+  author: remote.author,
+  metadata: remote.metadata ?? local.metadata,
+  primaryLanguage: remote.primaryLanguage ?? local.primaryLanguage,
+  updatedAt: remote.updatedAt,
+});
+
 export interface PullResult {
   /** True when the remote had a config and we merged something into local. */
   applied: boolean;
@@ -572,6 +594,11 @@ export interface SyncLibraryResult {
   filesAlreadyInSync: number;
   coversUploaded: number;
   booksDownloaded: number;
+  /**
+   * Number of already-local books whose metadata (title / author / cover)
+   * was refreshed from a newer copy in the shared library.json (#4756).
+   */
+  metadataUpdated: number;
   failures: number;
   /**
    * Per-book failure breakdown for the diagnostic log surfaced in the
@@ -641,6 +668,15 @@ export interface SyncLibraryOptions {
    */
   saveBookConfig?: (book: Book, config: BookConfig) => Promise<void>;
   addBookToLibrary?: (book: Book) => Promise<void>;
+  /**
+   * Persist refreshed metadata for a book that already exists in the local
+   * library. Called once per book whose copy in the shared library.json is
+   * strictly newer than the local one (last-writer-wins on `book.updatedAt`),
+   * so a peer's title / author / cover edit propagates to devices that
+   * already hold the book. Distinct from `addBookToLibrary`, which only
+   * inserts brand-new rows and no-ops on an existing hash.
+   */
+  updateBookMetadata?: (book: Book) => Promise<void>;
   /** Stable per-device id; written into every config envelope. */
   deviceId: string;
   /**
@@ -721,6 +757,7 @@ export const syncLibrary = async (
     filesAlreadyInSync: 0,
     coversUploaded: 0,
     booksDownloaded: 0,
+    metadataUpdated: 0,
     failures: 0,
     failedBooks: [],
   };
@@ -751,6 +788,45 @@ export const syncLibrary = async (
   // listing the hash dir.
   const explicitRemotePaths = new Map<string, string>();
 
+  // Metadata reconciliation for books present BOTH locally and in the shared
+  // library.json (#4756). Last-writer-wins on `book.updatedAt`: when a peer's
+  // indexed copy is strictly newer, pull its title / author / cover down to
+  // this device. Without this, a device that already holds the book never
+  // learns about a peer's metadata edit, AND the index re-push at the end of
+  // syncLibrary would clobber the peer's newer metadata with this device's
+  // stale copy (allBooksMap still pointed at the local book). Updating
+  // allBooksMap with the merged copy fixes both directions at once.
+  if (canPull && remoteIndex && remoteIndex.books && options.updateBookMetadata) {
+    for (const rb of remoteIndex.books) {
+      if (rb.deletedAt) continue;
+      const local = allBooksMap.get(rb.hash);
+      if (!local || local.deletedAt) continue;
+      if ((rb.updatedAt ?? 0) <= (local.updatedAt ?? 0)) continue;
+      const merged = mergeRemoteBookMetadata(local, rb);
+      // Re-pull the cover so a changed cover travels with the metadata. The
+      // cover is best-effort: a missing remote cover.png simply leaves the
+      // existing local cover in place. The subsequent push-side pushBookCover
+      // HEAD/size short-circuit then matches (local now equals remote), so we
+      // never bounce the freshly-pulled cover back up.
+      if (options.saveBookCover) {
+        try {
+          const coverBytes = await pullBookCover(settings, rb.hash);
+          if (coverBytes) await options.saveBookCover(merged, coverBytes);
+        } catch (e) {
+          console.warn('WD library sync: metadata cover pull failed', rb.hash, e);
+        }
+      }
+      try {
+        await options.updateBookMetadata(merged);
+        // Keep the merged metadata authoritative for the index re-push below.
+        allBooksMap.set(rb.hash, merged);
+        result.metadataUpdated += 1;
+      } catch (e) {
+        console.warn('WD library sync: metadata update failed', rb.hash, e);
+      }
+    }
+  }
+
   if (canPull) {
     const client = toClientConfig(settings);
     const candidateHashes = new Set<string>();
@@ -938,7 +1014,30 @@ export const syncLibrary = async (
       try {
         const config = await options.loadConfig(book);
         if (config) {
-          await pushBookConfig(settings, book, config, options.deviceId);
+          // Mirror the reader hook's pull-merge-push discipline so a manual
+          // "Sync now" can't blind-overwrite state this device hasn't pulled
+          // yet: a peer's booknotes (element-set CRDT) or newer progress
+          // (per-config LWW). Only in two-way ('silent') mode — 'send'
+          // deliberately treats the local copy as authoritative and keeps the
+          // blind push. A failed pull-merge falls back to the local config so
+          // a flaky GET never blocks the book's sync.
+          let configToPush = config;
+          if (canPull) {
+            try {
+              const pull = await pullBookConfig(settings, book, config);
+              if (pull.applied && pull.mergedConfig) {
+                configToPush = pull.mergedConfig;
+                // Persist the merged superset locally so this device converges
+                // too, not just the remote.
+                if (options.saveBookConfig) {
+                  await options.saveBookConfig(book, pull.mergedConfig);
+                }
+              }
+            } catch (e) {
+              console.warn('WD library sync: config pull-merge failed', book.hash, e);
+            }
+          }
+          await pushBookConfig(settings, book, configToPush, options.deviceId);
           result.configsUploaded += 1;
         }
         // Covers ride along with the config-level sync, NOT with
diff --git a/packages/foliate-js b/packages/foliate-js
index 23ec1c79..982f168c 160000
--- a/packages/foliate-js
+++ b/packages/foliate-js
@@ -1 +1 @@
-Subproject commit 23ec1c7957af6a5dcbd7d340314fe5238ef4e665
+Subproject commit 982f168c668dedcf38b2304bec788337712d60aa