fix(phase4): harden development acceptance adapters

scripts/phase4-development-frontend-acceptance.mjs

@@ -30,10 +30,10 @@ const overseasGateway = normalizeOrigin(option('--overseas-gateway') || process.
 const password = acceptancePassword()
 if (!password) throw new Error('缺少 CHONGCHONG_ADMIN_ACCEPTANCE_PASSWORD 或本机开发验收凭据文件')
 
-const executable = process.platform === 'win32' ? 'pnpm.cmd' : 'pnpm'
-const result = spawnSync(executable, ['exec', 'vitest', 'run', '--config', 'vitest.phase4-development.config.ts'], {
+const result = spawnSync('pnpm', ['exec', 'vitest', 'run', '--config', 'vitest.phase4-development.config.ts'], {
   cwd: process.cwd(),
   stdio: 'inherit',
+  shell: process.platform === 'win32',
   env: {
     ...process.env,
     ADMIN_PHASE4_LIVE: '1',
@@ -45,4 +45,5 @@ const result = spawnSync(executable, ['exec', 'vitest', 'run', '--config', 'vite
     VITE_OVERSEAS_API_BASE_URL: `${overseasGateway}/api`,
   },
 })
+if (result.error) throw result.error
 process.exit(result.status ?? 1)

scripts/phase4-development-frontend-contract.test.mjs

@@ -10,6 +10,8 @@ test('development runner requires an explicit development environment and gatewa
   assert.match(runner, /environment !== 'development'/)
   assert.match(runner, /--gateway/)
   assert.match(runner, /--overseas-gateway/)
+  assert.match(runner, /shell: process\.platform === 'win32'/)
+  assert.match(runner, /if \(result\.error\) throw result\.error/)
   assert.doesNotMatch(runner, /ADMIN_ACCEPTANCE_PASSWORD\s*[:=]\s*['"][^'"]+['"]/)
 })