feat: integrate observability

packages/next-observability/src/analytics/auto-tracker.tsx

@@ -0,0 +1,23 @@
+"use client";
+
+import { useEffect } from "react";
+import { usePathname, useSearchParams } from "next/navigation";
+import { useAnalytics } from "./context";
+
+/**
+ * Automatically tracks pageviews on client-side route changes in Next.js.
+ */
+export function AnalyticsAutoTracker() {
+  const pathname = usePathname();
+  const searchParams = useSearchParams();
+  const analytics = useAnalytics();
+
+  useEffect(() => {
+    if (!pathname) return;
+
+    const url = `${pathname}${searchParams?.size ? `?${searchParams.toString()}` : ""}`;
+    analytics.trackPageview(url);
+  }, [pathname, searchParams, analytics]);
+
+  return null;
+}