"Normal scale" replaces "A4 scale" in the Page menu

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>

client/js/session.js

@@ -66,7 +66,7 @@ import { trimTrailingBlankLines } from './text_layout.js';
  * @property {() => void} onPermissionsChanged
  *     Who may start pages changed.
  * @property {(command: 'fit' | 'sheet') => void} onViewCommand
- *     The host pressed "Fit" or "A4": everyone's view follows (Andy,
+ *     The host pressed "Fit" or "Normal scale": everyone's view follows (Andy,
  *     2026-10-08), each in their own window.
  * @property {() => void} onParticipantsChanged
  * @property {(status: 'connecting' | 'connected' | 'failed', detail?: string) => void} onStatus
@@ -244,7 +244,7 @@ export class Session {
   }
 
   /**
-   * The host's "Fit" or "A4" goes to everyone.  Only the host's does.
+   * The host's "Fit" or "Normal scale" goes to everyone.  Only the host's does.
    * @param {'fit' | 'sheet'} command
    */
   sendViewCommand(command) {