feat(stats): improve YouTube media metadata and picker key handling

stats/src/components/library/MediaDetailView.test.tsx

@@ -0,0 +1,41 @@
+import assert from 'node:assert/strict';
+import test from 'node:test';
+import { getRelatedCollectionLabel } from './MediaDetailView';
+
+test('getRelatedCollectionLabel returns View Channel for youtube-backed media', () => {
+  assert.equal(
+    getRelatedCollectionLabel({
+      animeId: 1,
+      canonicalTitle: 'Video',
+      totalSessions: 1,
+      totalActiveMs: 1,
+      totalCards: 0,
+      totalTokensSeen: 0,
+      totalLinesSeen: 0,
+      totalLookupCount: 0,
+      totalLookupHits: 0,
+      totalYomitanLookupCount: 0,
+      channelName: 'Creator',
+    }),
+    'View Channel',
+  );
+});
+
+test('getRelatedCollectionLabel returns View Anime for non-youtube media', () => {
+  assert.equal(
+    getRelatedCollectionLabel({
+      animeId: 1,
+      canonicalTitle: 'Episode 5',
+      totalSessions: 1,
+      totalActiveMs: 1,
+      totalCards: 0,
+      totalTokensSeen: 0,
+      totalLinesSeen: 0,
+      totalLookupCount: 0,
+      totalLookupHits: 0,
+      totalYomitanLookupCount: 0,
+      channelName: null,
+    }),
+    'View Anime',
+  );
+});