chore(app): update Google Analytics ID in layout component

.env.example

@@ -24,3 +24,5 @@ NEXTAUTH_SECRET="your-super-secret-key-change-in-production"
 
 # AI Search (optional - enable aiSearch in prompts.config.ts)
 # OPENAI_API_KEY=your_openai_api_key
+
+GOOGLE_ANALYTICS_ID="G-XXXXXXXXX"

src/app/layout.tsx

@@ -1,4 +1,5 @@
 import type { Metadata } from "next";
+import Script from "next/script";
 import { Inter, Noto_Sans_Arabic } from "next/font/google";
 import { getMessages, getLocale } from "next-intl/server";
 import { Providers } from "@/components/providers";
@@ -92,6 +93,24 @@ export default async function RootLayout({
 
   return (
     <html lang={locale} dir={isRtl ? "rtl" : "ltr"} suppressHydrationWarning className={themeClasses} style={themeStyles}>
+      <head>
+        {process.env.GOOGLE_ANALYTICS_ID && (
+          <>
+            <Script
+              src={`https://www.googletagmanager.com/gtag/js?id=${process.env.GOOGLE_ANALYTICS_ID}`}
+              strategy="afterInteractive"
+            />
+            <Script id="google-analytics" strategy="afterInteractive">
+              {`
+                window.dataLayer = window.dataLayer || [];
+                function gtag(){dataLayer.push(arguments);}
+                gtag('js', new Date());
+                gtag('config', '${process.env.GOOGLE_ANALYTICS_ID}');
+              `}
+            </Script>
+          </>
+        )}
+      </head>
       <body className={`${fontClasses} antialiased`}>
         <Providers locale={locale} messages={messages} theme={config.theme} branding={config.branding}>
           <div className="relative min-h-screen flex flex-col">

src/lib/auth/index.ts

@@ -124,19 +124,26 @@ async function buildAuthConfig() {
     },
     callbacks: {
       async jwt({ token, user, trigger }: { token: any; user?: any; trigger?: string }) {
-        // On sign in, add user data to token
-        if (user) {
-          token.id = user.id;
-          token.role = (user as User).role;
-          token.username = (user as User).username;
-          token.locale = (user as User).locale;
+        // On sign in, look up the actual database user by email to ensure correct ID
+        if (user && user.email) {
+          const dbUser = await db.user.findUnique({
+            where: { email: user.email },
+            select: { id: true, role: true, username: true, locale: true },
+          });
+          
+          if (dbUser) {
+            token.id = dbUser.id;
+            token.role = dbUser.role;
+            token.username = dbUser.username;
+            token.locale = dbUser.locale;
+          }
         }
         
-        // Always verify user exists in database
-        if (token.id) {
+        // On subsequent requests, verify user exists and refresh data
+        if (token.id && !user) {
           const dbUser = await db.user.findUnique({
             where: { id: token.id as string },
-            select: { role: true, username: true, locale: true },
+            select: { id: true, role: true, username: true, locale: true },
           });
           
           // User no longer exists - invalidate token
@@ -144,7 +151,7 @@ async function buildAuthConfig() {
             return null;
           }
           
-          // Update token with latest user data
+          // Update token with latest user data on explicit update or if data missing
           if (trigger === "update" || !token.username) {
             token.role = dbUser.role;
             token.username = dbUser.username;