feat(analytics): add OpenPanel tracking to storefront

Add comprehensive OpenPanel analytics tracking:
- Install @openpanel/nextjs SDK
- Add OpenPanelComponent to root layout for automatic page views
- Create useAnalytics hook for tracking custom events
- Track checkout funnel: started, shipping step, order completed
- Track product views and add-to-cart events
- Identify users on order completion
- Add NEXT_PUBLIC_OPENPANEL_CLIENT_ID to environment

src/app/[locale]/layout.tsx

@@ -2,6 +2,7 @@ import { Metadata } from "next";
 import { NextIntlClientProvider } from "next-intl";
 import { getMessages, setRequestLocale } from "next-intl/server";
 import { SUPPORTED_LOCALES, DEFAULT_LOCALE, isValidLocale } from "@/lib/i18n/locales";
+import { OpenPanelComponent } from "@openpanel/nextjs";
 
 const baseUrl = process.env.NEXT_PUBLIC_SITE_URL || "https://dev.manoonoils.com";
 
@@ -44,8 +45,15 @@ export default async function LocaleLayout({
   const messages = await getMessages();
 
   return (
-    <NextIntlClientProvider messages={messages}>
-      {children}
-    </NextIntlClientProvider>
+    <>
+      <OpenPanelComponent
+        clientId={process.env.NEXT_PUBLIC_OPENPANEL_CLIENT_ID || ""}
+        trackScreenViews={true}
+        trackOutgoingLinks={true}
+      />
+      <NextIntlClientProvider messages={messages}>
+        {children}
+      </NextIntlClientProvider>
+    </>
   );
 }