Merge branch 'main' into copilot/fix-accessibility-landmarks

Author: mgifford

.gitignore

@@ -9,10 +9,9 @@
 
 # Node
 node_modules/
-package-lock.json
 
 # Whisper output (generated locally)
-whisper-demo/transcript.json
+# transcript.json is committed for CI link checks; transcript.txt remains ignored
 whisper-demo/transcript.txt
 
 # Editor files

index.html

@@ -28,6 +28,7 @@
   <aside class="clock" aria-label="Presentation timer"></aside>
   <section aria-live="assertive" aria-label="Slide mode status">Leaving slide mode.</section>
 
+  <main>
   <!-- Slide 1: Cover -->
   <section class="slide cover clear" id="cover" aria-label="Cover: Whisper Live Captioning Demo">
     <h1>Whisper Live Captioning Demo</h1>
@@ -119,7 +120,6 @@ <h2>Demo Iframe</h2>
   <section class="slide" id="demo-transcript" aria-label="Live Transcript">
     <h2>Live Transcript</h2>
     <div class="transcript">
-      <h3 class="small">Transcript</h3>
       <div id="whisper-transcript" class="transcript-box" aria-live="polite" data-transcript-src="whisper-demo/transcript.json"></div>
       <p class="small">Polling <code>/presentations/whisper-demo/transcript.json</code> every second.</p>
     </div>
@@ -150,6 +150,7 @@ <h3 class="small">Transcript</h3>
     </div>
     <div class="notes" hidden>Separate element ID to allow multi-box polling later, if needed.</div>
   </section>
+  </main>
 
 </body>
 </html>