test(app): cover menu shortcut conversion

desktop/generated/menu.json

@@ -175,7 +175,8 @@
       },
       {
         "id": "dev-tools",
-        "label": "Developer Tools"
+        "label": "Developer Tools",
+        "accelerator": "CmdOrCtrl+Alt+I"
       }
     ]
   },

src/app/shell/menu/schema.ts

@@ -132,6 +132,7 @@ export const APP_MENU_SCHEMA = [
       {
         id: 'dev-tools',
         label: 'Developer Tools',
+        accelerator: 'CmdOrCtrl+Alt+I',
         target: 'native'
       }
     ]

tests/engine/app/shell/menu/shortcut.test.ts

@@ -0,0 +1,32 @@
+import { describe, expect, test } from 'bun:test'
+
+import {
+  appMenuAccelerator,
+  appMenuShortcut,
+  shortcutTokenToAccelerator,
+  shortcutTokenToTinykeys
+} from '@/app/shell/menu/shortcut'
+
+describe('app menu shortcut conversion', () => {
+  test('looks up canonical shortcut tokens from the menu schema', () => {
+    expect(appMenuShortcut('save-as')).toBe('MOD+SHIFT+S')
+    expect(appMenuShortcut('selection.createComponent')).toBe('MOD+ALT+K')
+  })
+
+  test('converts shortcut tokens to tinykeys bindings', () => {
+    expect(shortcutTokenToTinykeys('MOD+SHIFT+S')).toBe('$mod+Shift+S')
+    expect(shortcutTokenToTinykeys('ALT+Delete')).toBe('Alt+Delete')
+    expect(shortcutTokenToTinykeys('⌫')).toBe('Backspace')
+  })
+
+  test('converts shortcut tokens to native accelerators', () => {
+    expect(shortcutTokenToAccelerator('MOD+SHIFT+S')).toBe('CmdOrCtrl+Shift+S')
+    expect(shortcutTokenToAccelerator('ALT+A')).toBe('Alt+A')
+    expect(shortcutTokenToAccelerator('⌫')).toBe('Backspace')
+  })
+
+  test('derives native accelerators from menu ids', () => {
+    expect(appMenuAccelerator('save-as')).toBe('CmdOrCtrl+Shift+S')
+    expect(appMenuAccelerator('selection.delete')).toBe('Backspace')
+  })
+})