fix: resolve SABnzbd history matching asymmetry and unify search helpers (#74)

tests/unit/services/DownloadMatcher.test.js

@@ -226,6 +226,43 @@ describe('DownloadMatcher', () => {
       expect(result).toHaveLength(1);
       expect(result[0].arrQueueId).toBe(101);
     });
+
+    it('falls back to title matching against Sonarr queue records when downloadId is absent/unmatched', async () => {
+      const testContext = {
+        ...context,
+        sonarrHistoryRecords: [],
+        sonarrQueueRecords: [
+          { id: 201, seriesId: 1, title: 'My.Cool.Show.S01E01.720p-Group' }
+        ],
+        seriesMap: new Map([[1, { id: 1, title: 'My Cool Show', tags: [1] }]])
+      };
+
+      const slots = [{ id: null, name: 'My_Cool_Show_S01E01_720p-Group.nzb', status: 'Completed', mb: 1000 }];
+      const result = await DownloadMatcher.matchSabHistory(slots, testContext);
+
+      expect(result).toHaveLength(1);
+      expect(result[0].arrQueueId).toBe(201);
+      expect(result[0].arrType).toBe('sonarr');
+    });
+
+    it('falls back to title matching against Radarr queue records when downloadId is absent/unmatched', async () => {
+      const testContext = {
+        ...context,
+        radarrHistoryRecords: [],
+        radarrQueueRecords: [
+          { id: 301, movieId: 2, title: 'Awesome Movie 2026 1080p' }
+        ],
+        moviesMap: new Map([[2, { id: 2, title: 'Awesome Movie', tags: [1] }]]),
+        radarrTagMap: new Map([[1, 'alice']])
+      };
+
+      const slots = [{ id: null, name: 'Awesome.Movie.2026.1080p.nzb', status: 'Completed', mb: 1000 }];
+      const result = await DownloadMatcher.matchSabHistory(slots, testContext);
+
+      expect(result).toHaveLength(1);
+      expect(result[0].arrQueueId).toBe(301);
+      expect(result[0].arrType).toBe('radarr');
+    });
   });
 
   describe('titleMatches helper', () => {