修正容器进程组清理断言

使用可执行成员语义校验Linux进程组已停止
避免容器孤儿僵尸让signal探活断言误报失败

apps/ai-game-creator-shell/tests/start-tauri-dev.test.ts

@@ -5,7 +5,11 @@ import { join } from 'node:path';
 
 import { describe, expect, test, vi } from 'vitest';
 
-import { spawnChild, terminateChildTree } from '../scripts/start-dev-stack.mjs';
+import {
+  isProcessGroupAlive,
+  spawnChild,
+  terminateChildTree,
+} from '../scripts/start-dev-stack.mjs';
 import {
   buildTauriArguments,
   runTauriDev,
@@ -200,7 +204,7 @@ describe('AI 游戏创作 Tauri dev 生命周期', () => {
       });
 
       expect(result).toBe(42);
-      expect(() => process.kill(-cliChild.pid, 0)).toThrow();
+      expect(isProcessGroupAlive(cliChild.pid)).toBe(false);
     } finally {
       if (Number.isInteger(cliChild?.pid)) {
         try {