Add name/email editing and days-based course access in admin user card

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

src/app/admin/users/[userId]/actions.ts

@@ -43,12 +43,14 @@ export async function bulkGrantAccess(
 
 export async function updateUserContact(
   userId: string,
-  data: { phone: string; birthday: string }
+  data: { name: string; email: string; phone: string; birthday: string }
 ) {
   await requireAdmin();
   await prisma.user.update({
     where: { id: userId },
     data: {
+      name: data.name.trim() || undefined,
+      email: data.email.trim() || undefined,
       phone: data.phone.trim() || null,
       birthday: data.birthday ? new Date(data.birthday) : null,
     },

src/app/admin/users/[userId]/page.tsx

@@ -64,6 +64,8 @@ export default async function UserPage({ params }: Props) {
         <div style={{ borderTop: "2px solid var(--border)", paddingTop: "1rem" }}>
           <UserContactEditor
             userId={userId}
+            name={user.name ?? ""}
+            email={user.email}
             phone={user.phone ?? null}
             birthday={user.birthday ?? null}
           />