fix(playback): silence a11y warning on transcript scroll-intent handlers

src/lib/views/TranscriptNotes.svelte

@@ -266,6 +266,9 @@
       style="grid-template-columns: {splitColumns()};"
       bind:clientWidth={splitWidth}
     >
+      <!-- svelte-ignore a11y_no_static_element_interactions -- wheel/touchmove
+           here only note "the user scrolled by hand" to pause playback
+           auto-scroll; the pane isn't an interactive control. -->
       <div
         class="pane transcript"
         class:collapsed={layout.transcriptCollapsed}