feat(posts): publish case study on why I built a video knowledge base with generated art

scripts/og-gen/art-meta.json

@@ -227,5 +227,8 @@
  },
  "generating-subtitles-for-songs-without-timestamps": {
   "evidence": "18 songs - 342 lines - 0.96 anchor coverage"
+ },
+ "why-i-built-a-video-knowledge-base": {
+  "evidence": "263 pages · 20ms search · 0 cloud STT fees"
  }
 }