fixed login session for user name, and updated the api calls on the product detials pages.

context/AuthContext.tsx

@@ -75,7 +75,7 @@ export function AuthProvider({ children }: { children: ReactNode }) {
     }
 
     // Verify session with server
-    fetch("/api/auth/me")
+    fetch("/api/auth/me", { credentials: 'include' })
       .then((res) => {
         if (res.ok) {
           return res.json();
@@ -104,7 +104,10 @@ export function AuthProvider({ children }: { children: ReactNode }) {
   }, [persistUser]);
 
   const refreshUser = useCallback(async () => {
-    const res = await fetch("/api/auth/me", { cache: "no-store" });
+    const res = await fetch("/api/auth/me", {
+      cache: "no-store",
+      credentials: 'include',
+    });
 
     if (!res.ok) {
       const text = await res.text().catch(() => res.statusText);
@@ -133,6 +136,7 @@ export function AuthProvider({ children }: { children: ReactNode }) {
         const res = await fetch("/api/auth/login", {
           method: "POST",
           headers: { "Content-Type": "application/json" },
+          credentials: 'include',
           body: JSON.stringify({ email, password }),
         });
 
@@ -167,6 +171,7 @@ export function AuthProvider({ children }: { children: ReactNode }) {
         const res = await fetch("/api/auth/register", {
           method: "POST",
           headers: { "Content-Type": "application/json" },
+          credentials: 'include',
           body: JSON.stringify({
             email,
             password,
@@ -199,7 +204,10 @@ export function AuthProvider({ children }: { children: ReactNode }) {
     persistUser(null);
 
     // Clear server session cookies
-    fetch("/api/auth/logout", { method: "POST" }).catch(() => {});
+    fetch("/api/auth/logout", {
+      method: "POST",
+      credentials: 'include',
+    }).catch(() => {});
   }, [persistUser]);
 
   const value: AuthContextValue = {