feat: Add SUPER_ADMIN role with dedicated admin user management and updated access controls for existing admin features.

prisma/schema.prisma

@@ -17,6 +17,7 @@ enum UserRole {
   USER
   AGENT
   ADMIN
+  SUPER_ADMIN
 }
 
 enum UserStatus {

prisma/seed.ts

@@ -1336,7 +1336,7 @@ async function main() {
       data: {
         email: adminEmail,
         password: hashedPassword,
-        role: UserRole.ADMIN,
+        role: UserRole.SUPER_ADMIN,
         status: UserStatus.ACTIVE,
         emailVerified: true,
         emailVerifiedAt: new Date(),