fix(voice): stop mic-test ref stealing, unblock action queue, keep tail audio, and move context/LLM routing behind ports and pure policies

apps/desktop/tests/main/services/windows-child-process-hide.test.ts

@@ -38,6 +38,19 @@ vi.mock('../../../src/main/services/PremiumLLMService', () => ({
   getPremiumLLMService: vi.fn(),
 }))
 
+// 활성 창 조회는 koffi FFI 리더(ForegroundWindowPort)로 한다 — 자식 프로세스를 띄우지 않는다.
+const foregroundReader = vi.hoisted(() => ({
+  getForegroundWindowInfo: vi.fn(() => ({
+    hwnd: 1,
+    title: 'Test window',
+    processId: 1,
+    appName: 'TestApp.exe',
+    appPath: null,
+  })),
+}))
+
+vi.mock('../../../src/main/utils/win32-foreground', () => foregroundReader)
+
 function createProcess(args: unknown[]): EventEmitter & {
   stdout: EventEmitter
   stderr: EventEmitter
@@ -128,8 +141,8 @@ describe('Windows child process visibility', () => {
     expectWindowsHideOnAllCalls(childProcess.exec)
   })
 
-  // 장치 목록·활성 창 조회는 win32 분기에서만 PowerShell 을 부른다.
-  it.skipIf(process.platform !== 'win32')('hides Windows device discovery and active-window PowerShell calls', async () => {
+  // 장치 목록 조회는 win32 분기에서만 PowerShell 을 부른다. 활성 창 조회는 FFI 로 하므로 프로세스가 없다.
+  it.skipIf(process.platform !== 'win32')('hides Windows device discovery and spawns no process for the active window', async () => {
     const audioModule = await import('../../../src/main/services/AudioCaptureService')
     const audioService = audioModule.getAudioCaptureService() as unknown as {
       _getDevicesWindows(): Promise<unknown>
@@ -145,10 +158,9 @@ describe('Windows child process visibility', () => {
       timeout: 3000,
       windowsHide: true,
     })
-    expect(childProcess.execFileAsync.mock.calls[0]?.[2]).toMatchObject({
-      timeout: 3000,
-      windowsHide: true,
-    })
+    expect(foregroundReader.getForegroundWindowInfo).toHaveBeenCalled()
+    expect(childProcess.execFileAsync).not.toHaveBeenCalled()
+    expect(childProcess.execFile).not.toHaveBeenCalled()
   })
 
   it('declares hidden ffmpeg processes for conversion, duration, and chunk extraction', () => {