diff --git a/web/src/types/reader.d.ts b/web/src/types/reader.d.ts
index b9f7444..97627ab 100644
--- a/web/src/types/reader.d.ts
+++ b/web/src/types/reader.d.ts
@@ -72,15 +72,60 @@ interface ParserCapabilities {
 // ============================================================
 
 interface ReaderMetadata {
+  // Core identification
   id: string;
+  media_item_id: string;
+  library_id: string;
+
+  // Content metadata
   title: string;
   author: string;
   cover_image_path: string;
-  format_group: "reflowable" | "fixed_layout" | "comic_archive" | "unkown";
-  library_type_name: "ebooks" | "comics" | "manga" | "pdf";
+  description: string;
+  isbn: string;
+  series: string;
+  series_number: number;
+  tags: string[];
+  asin: string;
+  date_published: string;
+  publisher: string;
+  contributors: string[];
+  language: string;
+  edition: string;
+  page_count: number;
+  genre: string;
+
+  // Format identification
+  format_group: string;
   mime_type: string;
-  manga_type: "unknown" | "no" | "yes" | "yes_and_right_to_left";
   file_path: string;
+  file_size: number;
+
+  // Library classification
+  library_type_name: string;
+  library_type: string;
+
+  // Comic/Manga specific
+  manga_type: string;
+  reading_direction: string;
+  series_count: number;
+
+  // Additional metadata from server
+  volume: number;
+  imprint: string;
+  age_rating: string;
+  web_url: string;
+  metadata_notes: string;
+  community_rating: number;
+  story_arc: string;
+  is_black_and_white: boolean;
+  alternate_info: string;
+  scan_information: string;
+  summary: string;
+  created_at: string;
+  updated_at: string;
+
+  // Progress tracking
   chapter_metadata?: ChapterMetadata;
   total_pages?: number;
   saved_progress?: {