feat(stats): speed up session maintenance and improve stats UI (#111)

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

@@ -34,13 +34,13 @@ test('guessAnilistMediaInfo fills missing guessit episode from filename parser',
   });
 });
 
-test('guessAnilistMediaInfo ignores low-confidence parser details when guessit omits them', async () => {
+test('guessAnilistMediaInfo keeps season directory scope when guessit omits details', async () => {
   const result = await guessAnilistMediaInfo('/tmp/Season 2/Guessit Title.mkv', null, {
     runGuessit: async () => JSON.stringify({ title: 'Guessit Title' }),
   });
   assert.deepEqual(result, {
     title: 'Guessit Title',
-    season: null,
+    season: 2,
     episode: null,
     source: 'guessit',
   });

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

@@ -292,7 +292,7 @@ export async function guessAnilistMediaInfo(
           title: buildGuessitTitle(title, alternativeTitle),
           ...(alternativeTitle ? { alternativeTitle } : {}),
           ...(year ? { year } : {}),
-          season: season ?? (canUseFallbackDetails ? fallback.season : null),
+          season: season ?? fallback.season,
           episode: episode ?? (canUseFallbackDetails ? fallback.episode : null),
           source: 'guessit',
         };