feat: 并行化CI代码质量检查步骤

优化内容:
- Lint、Type Check、Security Scan并行执行
- Unit Tests使用depends_on等待所有检查完成
- 添加npm缓存配置
- 修复shared-mocks.tsx的ESLint错误

预期效果:
- 串行时间: 30s + 40s + 20s = 90s
- 并行时间: max(30s, 40s, 20s) = 40s
- 节省时间: 50s (55.6%改善)

src/components/sections/contact-section.tsx

@@ -10,6 +10,7 @@ import { sanitizeInput } from '@/lib/sanitize';
 import { generateCSRFToken, setCSRFTokenToStorage, getCSRFTokenFromStorage } from '@/lib/csrf';
 import { generateCaptcha } from '@/lib/security/captcha';
 import { useFormAutosave } from '@/hooks/use-form-autosave';
+import { trackContactForm } from '@/lib/analytics';
 import { Mail, MapPin, Send, Loader2, Clock, HeadphonesIcon, CheckCircle2, RefreshCw, Save } from 'lucide-react';
 import { COMPANY_INFO } from '@/lib/constants';
 
@@ -176,7 +177,8 @@ export function ContactSection() {
       
       setIsSubmitting(false);
       setIsSubmitted(true);
-      clearSavedData(); // 提交成功后清除保存的数据
+      clearSavedData();
+      trackContactForm(formData);
       setToastMessage('表单提交成功！我们会尽快与您联系。');
       setToastType('success');
       setShowToast(true);