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/analytics/useAnalytics.ts

@@ -0,0 +1,40 @@
+"use client";
+
+import { useCallback } from "react";
+import { getDefaultAnalytics } from "../../utils/analytics";
+import type { AnalyticsEventName } from "./analytics-events";
+
+/**
+ * Custom hook for tracking analytics events.
+ * Wraps the analytics service for easy use in components.
+ */
+export function useAnalytics() {
+  const trackEvent = useCallback(
+    (
+      eventName: string | AnalyticsEventName,
+      properties?: Record<string, any>,
+    ) => {
+      const analytics = getDefaultAnalytics();
+      analytics.trackEvent(eventName, properties);
+
+      if (process.env.NODE_ENV === "development") {
+        console.debug("[Analytics] Tracked event:", eventName, properties);
+      }
+    },
+    [],
+  );
+
+  const trackPageview = useCallback((url?: string) => {
+    const analytics = getDefaultAnalytics();
+    analytics.page(url || window.location.pathname);
+
+    if (process.env.NODE_ENV === "development") {
+      console.debug("[Analytics] Tracked pageview:", url ?? "current location");
+    }
+  }, []);
+
+  return {
+    trackEvent,
+    trackPageview,
+  };
+}