align with metadata standard

packages/meta-dup-core/src/DuplicateIndex.ts

@@ -189,9 +189,6 @@ export class DuplicateIndex {
         if (metadata.title) {
             return metadata.title;
         }
-        if (metadata.titles?.eng) {
-            return metadata.titles.eng;
-        }
         if (metadata.originalTitle) {
             return metadata.originalTitle;
         }

packages/meta-dup-core/src/MetaEventConsumer.ts

@@ -19,7 +19,7 @@ const CONSUMER_GROUP = 'meta-dup-meta-consumer';
 
 // Fields that affect title duplicate detection
 const TITLE_FIELDS = [
-    'title', 'titles/eng', 'originalTitle', 'fileName',
+    'title', 'originalTitle', 'fileName',
     'year', 'movieYear', 'season', 'episode', 'tmdb'
 ];
 

packages/meta-dup-core/src/kv/RedisClient.ts

@@ -120,7 +120,6 @@ export interface FileMetadata {
 
     // Title information (for folder organization)
     title?: string;
-    titles?: { eng?: string; [key: string]: string | undefined };
     originalTitle?: string;
     fileName?: string;
 
@@ -436,12 +435,6 @@ export class RedisClient implements Partial<IKVClient> {
             mtime = isNaN(parsed) ? parseFloat(data.mtime) : parsed;
         }
 
-        // Parse titles - can be nested object or simple string
-        let titles: { eng?: string; [key: string]: string | undefined } | undefined;
-        if (data['titles/eng']) {
-            titles = { eng: data['titles/eng'] };
-        }
-
         // Parse season/episode (can be 0 for specials)
         const season = data.season !== undefined ? parseInt(data.season, 10) : undefined;
         const episode = data.episode !== undefined ? parseInt(data.episode, 10) : undefined;
@@ -472,7 +465,6 @@ export class RedisClient implements Partial<IKVClient> {
 
             // Title information
             title: data.title,
-            titles,
             originalTitle: data.originalTitle,
             fileName: data.fileName,