fix(notes): adopt server-side notes.md changes (speaker rename, reprocess) into the open editor buffer

Also untangles the a11y svelte-ignore comment from its prose so eslint's
no-unused-svelte-ignore stops parsing the explanation as ignore codes.

src/lib/views/TranscriptNotes.svelte

@@ -74,6 +74,10 @@
   let editorEl: HTMLTextAreaElement | undefined = $state();
   let saveTimer: ReturnType<typeof setTimeout> | undefined;
   let loadedForId: string | null = null;
+  // The server copy the buffer was last synced against — lets the effect below
+  // tell a server-side notes change (speaker rename, reprocess) apart from the
+  // user's own unsaved edits.
+  let lastServerNotes: string | null = null;
 
   // Transcript/notes split (FR-UX-1): resizable (drag the Splitter) and
   // each side independently hideable, shared across the finalized-meeting
@@ -111,14 +115,23 @@
     selectedSegmentMs = null;
   });
 
-  // Sync the editor buffer whenever a different meeting is selected.
+  // Sync the editor buffer whenever a different meeting is selected — and when
+  // the *server* copy of the same meeting's notes changes underneath us (a
+  // speaker rename rewrites notes.md's dialogue tags, reprocess regenerates it).
+  // A buffer with unsaved local edits is never clobbered: it only adopts the
+  // server copy when it still equals the last-synced one.
   $effect(() => {
     const m = meetings.selected;
     if (m && m.id !== loadedForId) {
       notesText = m.notes_markdown;
+      lastServerNotes = m.notes_markdown;
       loadedForId = m.id;
+    } else if (m && m.id === loadedForId && m.notes_markdown !== lastServerNotes) {
+      if (notesText === lastServerNotes) notesText = m.notes_markdown;
+      lastServerNotes = m.notes_markdown;
     } else if (!m) {
       loadedForId = null;
+      lastServerNotes = null;
     }
   });
 
@@ -357,9 +370,9 @@
       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. -->
+      <!-- wheel/touchmove here only note "the user scrolled by hand" to pause
+           playback auto-scroll; the pane isn't an interactive control. -->
+      <!-- svelte-ignore a11y_no_static_element_interactions -->
       <div
         class="pane transcript"
         class:collapsed={layout.transcriptCollapsed}
@@ -513,7 +526,11 @@
             >
               <ListChecks size={14} aria-hidden="true" />
             </button>
-            <button onclick={() => insertLinePrefix("### ")} title={t("notes.h3")} aria-label={t("notes.h3")}>
+            <button
+              onclick={() => insertLinePrefix("### ")}
+              title={t("notes.h3")}
+              aria-label={t("notes.h3")}
+            >
               <Heading3 size={14} aria-hidden="true" />
             </button>
             <button