align with metadata standard

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

@@ -75,7 +75,6 @@ export interface FileMetadata {
 
     // Title information (for folder organization)
     title?: string;
-    titles?: { eng?: string; [key: string]: string | undefined };
     originalTitle?: string;
     fileName?: string;
 
@@ -623,12 +622,6 @@ 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;
@@ -660,7 +653,6 @@ export class RedisClient implements Partial<IKVClient> {
 
             // Title information
             title: data.title,
-            titles,
             originalTitle: data.originalTitle,
             fileName: data.fileName,
 

packages/meta-fuse-core/src/vfs/RenamingRule.ts

@@ -13,7 +13,6 @@
  */
 export interface MediaMeta {
     // Title information
-    titles?: { eng?: string; [key: string]: string | undefined };
     originalTitle?: string;
     title?: string;
 
@@ -62,7 +61,8 @@ export function renamingRule(metadata: Partial<MediaMeta>, filepath?: string): s
     }
 
     // Get title - try various fields
-    const title = metadata.titles?.eng || metadata.originalTitle;
+    // The display name — never the `titles/*` name set (METADATA_KEYS.md §3).
+    const title = metadata.title || metadata.originalTitle;
     if (!title) {
         if (metadata.fileType !== 'torrent') {
             // Don't warn for torrent files because they don't always have a title

packages/meta-fuse-core/src/vfs/VirtualFileSystem.ts

@@ -174,12 +174,6 @@ export class VirtualFileSystem implements VFSUpdateCallback {
             mtime = isNaN(parsed) ? parseFloat(props.mtime) : parsed;
         }
 
-        // Parse titles - can be from nested paths like 'titles/eng'
-        let titles: { eng?: string; [key: string]: string | undefined } | undefined;
-        if (props['titles/eng']) {
-            titles = { eng: props['titles/eng'] };
-        }
-
         // Parse season/episode
         const season = props.season !== undefined ? parseInt(props.season, 10) : undefined;
         const episode = props.episode !== undefined ? parseInt(props.episode, 10) : undefined;
@@ -212,7 +206,6 @@ export class VirtualFileSystem implements VFSUpdateCallback {
             ctime: props.ctime ? parseFloat(props.ctime) : mtime,
             hashId,
             title: props.title,
-            titles,
             originalTitle: props.originalTitle,
             fileName,
             season,

packages/meta-fuse-core/src/vfs/defaults/defaultRules.ts

@@ -7,7 +7,7 @@
  * Old behavior:
  * - Only processes video, subtitle, torrent files
  * - Requires extension
- * - Title from titles.eng || originalTitle
+ * - Title from title || originalTitle
  * - Files without title/extension are hidden (not in Unsorted)
  */
 

packages/meta-fuse-core/src/vfs/types/RenamingRuleTypes.ts

@@ -21,7 +21,7 @@ export type ConditionOperator =
  */
 export interface Condition {
   type: ConditionOperator;
-  field: string;            // Metadata field path, e.g., "titles.eng", "season", "fileType"
+  field: string;            // Metadata field path, e.g., "title", "season", "fileType"
   value?: string | number | boolean;  // Required for EQUALS, NOT_EQUALS, CONTAINS, MATCHES
 }
 
@@ -83,7 +83,7 @@ export interface PreviewResponse {
  */
 export interface TemplateVariable {
   name: string;         // Display name
-  path: string;         // Field path (e.g., "titles.eng")
+  path: string;         // Field path (e.g., "title")
   type: 'string' | 'number' | 'boolean';
   description: string;
   example?: string;
@@ -93,7 +93,6 @@ export interface TemplateVariable {
  * List of all available template variables
  */
 export const TEMPLATE_VARIABLES: TemplateVariable[] = [
-  { name: 'English Title', path: 'titles.eng', type: 'string', description: 'English title from metadata', example: 'Breaking Bad' },
   { name: 'Original Title', path: 'originalTitle', type: 'string', description: 'Original/native title', example: 'Breaking Bad' },
   { name: 'Title', path: 'title', type: 'string', description: 'Simple title field', example: 'Breaking Bad' },
   { name: 'Season', path: 'season', type: 'number', description: 'Season number', example: '1' },

packages/meta-fuse-ui/src/components/RulesEditor.tsx

@@ -16,7 +16,7 @@ interface RulesEditorProps {
 // Available metadata fields for conditions
 const AVAILABLE_FIELDS = [
   { value: 'fileType', label: 'File Type', type: 'string' },
-  { value: 'titles.eng', label: 'English Title', type: 'string' },
+  { value: 'title', label: 'Title', type: 'string' },
   { value: 'originalTitle', label: 'Original Title', type: 'string' },
   { value: 'season', label: 'Season', type: 'number' },
   { value: 'episode', label: 'Episode', type: 'number' },
@@ -53,7 +53,7 @@ function createEmptyRule(): RenamingRule {
 function createEmptyCondition(): Condition {
   return {
     type: 'EXISTS',
-    field: 'titles.eng',
+    field: 'title',
   };
 }
 
@@ -197,7 +197,7 @@ function TemplateEditor({ template, onChange, variables }: TemplateEditorProps)
       <textarea
         value={template}
         onChange={e => onChange(e.target.value)}
-        placeholder="e.g., Movies/{titles.eng|originalTitle}{movieYear? ({movieYear})}/{fileName}.{extension}"
+        placeholder="e.g., Movies/{title|originalTitle}{movieYear? ({movieYear})}/{fileName}.{extension}"
         rows={3}
         className="template-input"
       />