feat(analytics): implement advanced tracking with script-less smart proxy

- Added Umami Smart Proxy route handler
- Refactored Umami adapter to use proxy-based fetch
- Implemented TrackedButton, TrackedLink, and ScrollDepthTracker
- Integrated event tracking into ContactForm
- Enhanced Analytics component with manual pageview and performance tracking

apps/web/src/components/ContactForm.tsx

@@ -13,6 +13,9 @@ import {
   AlertCircle,
 } from "lucide-react";
 
+import { useAnalytics } from "./analytics/useAnalytics";
+import { AnalyticsEvents } from "./analytics/analytics-events";
+
 import { FormState } from "./ContactForm/types";
 import {
   PRICING,
@@ -69,6 +72,8 @@ export function ContactForm({
   const [isSubmitting, setIsSubmitting] = useState(false);
   const [error, setError] = useState<string | null>(null);
 
+  const { trackEvent } = useAnalytics();
+
   const containerRef = useRef<HTMLDivElement>(null);
 
   // Scroll to top on flow or step change
@@ -131,6 +136,10 @@ export function ContactForm({
 
     if (result.success) {
       setIsSubmitted(true);
+      trackEvent(AnalyticsEvents.CONTACT_FORM_SUBMIT, {
+        flow,
+        config: flow === "configurator" ? state : undefined,
+      });
       // Celebration
       const duration = 3 * 1000;
       const animationEnd = Date.now() + duration;