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;
+}

packages/next-observability/src/analytics/context.tsx

@@ -0,0 +1,50 @@
+"use client";
+
+import { createContext, useContext, ReactNode, useMemo } from "react";
+import type { AnalyticsService } from "@mintel/observability";
+import {
+  NoopAnalyticsService,
+  UmamiAnalyticsService,
+} from "@mintel/observability";
+
+const AnalyticsContext = createContext<AnalyticsService>(
+  new NoopAnalyticsService(),
+);
+
+export interface AnalyticsContextProviderProps {
+  service?: AnalyticsService;
+  config?: {
+    enabled: boolean;
+    websiteId?: string;
+    apiEndpoint: string;
+  };
+  children: ReactNode;
+}
+
+export function AnalyticsContextProvider({
+  service,
+  config,
+  children,
+}: AnalyticsContextProviderProps) {
+  const activeService = useMemo(() => {
+    if (service) return service;
+    if (config) return new UmamiAnalyticsService(config);
+    return new NoopAnalyticsService();
+  }, [service, config]);
+
+  return (
+    <AnalyticsContext.Provider value={activeService}>
+      {children}
+    </AnalyticsContext.Provider>
+  );
+}
+
+export function useAnalytics() {
+  const context = useContext(AnalyticsContext);
+  if (!context) {
+    throw new Error(
+      "useAnalytics must be used within an AnalyticsContextProvider",
+    );
+  }
+  return context;
+}