feat: expand secure runtime and workspace UX

src/main/window.test.ts

@@ -1,5 +1,76 @@
-import { describe, expect, it } from 'vitest'
-import { resolveWindowIcon } from './window'
+import { describe, expect, it, vi } from 'vitest'
+import { createMainWindow, resolveWindowIcon } from './window'
+
+const electronMocks = vi.hoisted(() => ({
+  options: [] as Array<Record<string, unknown>>,
+  closeListeners: [] as Array<(event: { preventDefault: () => void }) => void>
+}))
+
+vi.mock('electron', () => ({
+  app: {
+    isPackaged: false,
+    getAppPath: vi.fn(() => 'C:\\source')
+  },
+  BrowserWindow: class {
+    webContents = {
+      on: vi.fn(),
+      setWindowOpenHandler: vi.fn()
+    }
+
+    constructor(options: Record<string, unknown>) {
+      electronMocks.options.push(options)
+    }
+
+    setIcon = vi.fn()
+    once = vi.fn()
+    hide = vi.fn()
+    on = vi.fn(
+      (
+        event: string,
+        listener: (event: { preventDefault: () => void }) => void
+      ) => {
+        if (event === 'close') {
+          electronMocks.closeListeners.push(listener)
+        }
+      }
+    )
+  },
+  nativeImage: {
+    createFromPath: vi.fn(() => ({
+      isEmpty: vi.fn(() => false)
+    }))
+  },
+  shell: {
+    openExternal: vi.fn()
+  }
+}))
+
+describe('createMainWindow', () => {
+  it('disables the system frame while preserving renderer isolation', () => {
+    createMainWindow(() => false)
+
+    expect(electronMocks.options.at(-1)).toMatchObject({
+      frame: false,
+      webPreferences: {
+        contextIsolation: true,
+        nodeIntegration: false,
+        sandbox: true
+      }
+    })
+  })
+
+  it('keeps the custom close control aligned with close-to-tray behavior', () => {
+    const window = createMainWindow(() => false) as unknown as {
+      hide: () => void
+    }
+    const event = { preventDefault: vi.fn() }
+
+    electronMocks.closeListeners.at(-1)?.(event)
+
+    expect(event.preventDefault).toHaveBeenCalledOnce()
+    expect(window.hide).toHaveBeenCalledOnce()
+  })
+})
 
 describe('resolveWindowIcon', () => {
   it('uses the packaged Windows taskbar icon', () => {
@@ -14,6 +85,14 @@ describe('resolveWindowIcon', () => {
   })
 
   it('uses build assets during development and leaves macOS unset', () => {
+    expect(
+      resolveWindowIcon({
+        platform: 'win32',
+        isPackaged: false,
+        appPath: 'C:\\source',
+        resourcesPath: 'C:\\source\\resources'
+      })
+    ).toBe('C:\\source\\build\\icon-taskbar.ico')
     expect(
       resolveWindowIcon({
         platform: 'linux',