feat: Response mobile layout support v1

toju-app/src/app/features/shell/native-context-menu/native-context-menu.component.ts

@@ -8,6 +8,7 @@ import {
 } from '@angular/core';
 import { DOCUMENT } from '@angular/common';
 import { ElectronBridgeService } from '../../../core/platform/electron/electron-bridge.service';
+import { ViewportService } from '../../../core/platform/viewport.service';
 import { ContextMenuComponent } from '../../../shared';
 import type { ContextMenuParams } from '../../../core/platform/electron/electron-api.models';
 
@@ -55,11 +56,19 @@ export class NativeContextMenuComponent implements OnInit, OnDestroy {
 
   private readonly document = inject(DOCUMENT);
   private readonly electronBridge = inject(ElectronBridgeService);
+  private readonly viewport = inject(ViewportService);
   private cleanup: (() => void) | null = null;
   private selectionSnapshot: ContextMenuSelectionSnapshot | null = null;
 
   @HostListener('document:contextmenu', ['$event'])
   onDocumentContextMenu(event: MouseEvent): void {
+    // On mobile (non-Electron), let the OS-native context menu handle text inputs,
+    // selection, links, and images. Intercepting here suppresses the OS menu and
+    // leaves the user without copy/paste/select-all affordances.
+    if (this.viewport.isMobile() && !this.electronBridge.isAvailable) {
+      return;
+    }
+
     this.captureSelectionSnapshot(event);
 
     if (this.electronBridge.isAvailable) {