Expand all caller topic pools, add cross-episode topic dedup, publish ep35

Massively expanded all 8 caller topic pools from ~1200 to ~2500 entries to
reduce repeat calls. Added persistent topic history (data/used_topics_history.json)
with 30-day aging to prevent cross-episode duplicates. Published episode 35.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

website/data/clips.json

@@ -1,4 +1,13 @@
 [
+  {
+    "title": "Nobody's Potato Salad Is Good",
+    "description": "Luke goes OFF on workplace potlucks: 'Nobody's potato salad is f***ing good, alright? Everything at a potluck is gross. Just take everybody to McDonald's.'",
+    "episode_number": 34,
+    "clip_file": "clip-3-nobody-s-potato-salad-is-good.mp4",
+    "youtube_id": "re7C2woMUrA",
+    "featured": false,
+    "thumbnail": "images/clips/clip-3-nobody-s-potato-salad-is-good.jpg"
+  },
   {
     "title": "Man Obsessed With Dead Nun Loses Wife",
     "description": "Rodney couldn't stop talking about a dead nun who shared his wife's name. His wife was NOT amused.",