Restore multi-copy digit capture and add AniList selection (#56)

src/core/services/anilist/anilist-updater.test.ts

@@ -76,6 +76,32 @@ test('guessAnilistMediaInfo joins multi-part guessit titles', async () => {
   });
 });
 
+test('guessAnilistMediaInfo preserves useful guessit alternative title for ambiguous Re ZERO filenames', async () => {
+  const result = await guessAnilistMediaInfo(
+    '/tmp/Re - ZERO, Starting Life in Another World (2016) - S01E01 - - The End of the Beginning and the Beginning of the End [v2 Bluray-1080p Proper][10bit][x265][FLAC 2.0][EN+JA]-SCY.mkv',
+    null,
+    {
+      runGuessit: async () =>
+        JSON.stringify({
+          title: 'Re',
+          alternative_title: 'ZERO, Starting Life in Another World',
+          year: 2016,
+          season: 1,
+          episode: 1,
+        }),
+    },
+  );
+
+  assert.deepEqual(result, {
+    title: 'Re ZERO, Starting Life in Another World',
+    alternativeTitle: 'ZERO, Starting Life in Another World',
+    year: 2016,
+    season: 1,
+    episode: 1,
+    source: 'guessit',
+  });
+});
+
 test('updateAnilistPostWatchProgress updates progress when behind', async () => {
   const originalFetch = globalThis.fetch;
   let call = 0;

src/core/services/anilist/anilist-updater.ts

@@ -7,6 +7,8 @@ const ANILIST_GRAPHQL_URL = 'https://graphql.anilist.co';
 
 export interface AnilistMediaGuess {
   title: string;
+  alternativeTitle?: string;
+  year?: number;
   season: number | null;
   episode: number | null;
   source: 'guessit' | 'fallback';
@@ -131,6 +133,20 @@ function firstPositiveInteger(value: unknown): number | null {
   return null;
 }
 
+function firstYear(value: unknown): number | undefined {
+  const candidate = firstPositiveInteger(value);
+  if (candidate === null) return undefined;
+  return candidate >= 1900 && candidate <= 2200 ? candidate : undefined;
+}
+
+function buildGuessitTitle(title: string, alternativeTitle: string | null): string {
+  if (!alternativeTitle) return title;
+  if (title.length <= 3) {
+    return `${title} ${alternativeTitle}`.replace(/\s+/g, ' ').trim();
+  }
+  return title;
+}
+
 function normalizeTitle(text: string): string {
   return text.trim().toLowerCase().replace(/\s+/g, ' ');
 }
@@ -215,10 +231,19 @@ export async function guessAnilistMediaInfo(
       const stdout = await deps.runGuessit(guessitTarget);
       const parsed = JSON.parse(stdout) as Record<string, unknown>;
       const title = readGuessitTitle(parsed.title);
+      const alternativeTitle = readGuessitTitle(parsed.alternative_title);
       const episode = firstPositiveInteger(parsed.episode);
       const season = firstPositiveInteger(parsed.season);
+      const year = firstYear(parsed.year);
       if (title) {
-        return { title, season, episode, source: 'guessit' };
+        return {
+          title: buildGuessitTitle(title, alternativeTitle),
+          ...(alternativeTitle ? { alternativeTitle } : {}),
+          ...(year ? { year } : {}),
+          season,
+          episode,
+          source: 'guessit',
+        };
       }
     } catch {
       // Ignore guessit failures and fall back to internal parser.