Upgrade Whisper to distil-large-v3, fix caller identity confusion, sort clips list

- Whisper base → distil-large-v3 for much better live transcription accuracy
- Add context hints to transcription (caller name, screening status)
- Increase beam_size 3→5 for better decoding
- Add explicit role clarification in caller system prompt so LLM knows Luke is the host
- Prefix host messages with [Host Luke] in LLM conversation
- Fix upload_clips episode list sorting (natural numeric order)
- Episodes 26-28 transcripts, data updates, misc fixes

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

website/sitemap.xml

@@ -180,4 +180,22 @@
     <changefreq>never</changefreq>
     <priority>0.7</priority>
   </url>
+  <url>
+    <loc>https://lukeattheroost.com/episode.html?slug=episode-26-digital-nomads-deep-fakes-and-workplace-drama</loc>
+    <lastmod>2026-03-03</lastmod>
+    <changefreq>never</changefreq>
+    <priority>0.7</priority>
+  </url>
+  <url>
+    <loc>https://lukeattheroost.com/episode.html?slug=episode-27-love-loss-and-loud-opinions</loc>
+    <lastmod>2026-03-04</lastmod>
+    <changefreq>never</changefreq>
+    <priority>0.7</priority>
+  </url>
+  <url>
+    <loc>https://lukeattheroost.com/episode.html?slug=episode-28-secrets-lies-and-vinyl-records</loc>
+    <lastmod>2026-03-05</lastmod>
+    <changefreq>never</changefreq>
+    <priority>0.7</priority>
+  </url>
 </urlset>