feat(metadata): improve match accuracy and localized titles (#461)

* feat(metadata): improve match accuracy and localized titles

* fix(metadata): address matching review findings

* test(catalog): align empty alias snapshot scope

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Co-authored-by: Quick104 <31828688+Quick104@users.noreply.github.com>

web/src/api/types.ts

@@ -4362,6 +4362,13 @@ export interface TaskInfo {
 // Match dialog types
 export interface MatchCandidate {
   title: string;
+  original_title?: string;
+  aliases?: Array<{ title: string; language?: string; kind: string; provider?: string }>;
+  title_language?: string;
+  title_is_fallback?: boolean;
+  matched_title?: string;
+  match_score?: number;
+  match_reasons?: string[];
   year: number;
   content_type: string;
   provider_ids: Record<string, string>;