Architectural question regarding customers of an org

export const auth = betterAuth({  
  plugins: [  
    organization({  
      // Only for restaurant staff  
      roles: {  
        owner: ownerRole,    // Restaurant owner  
        admin: adminRole,    // Manager  
        member: memberRole,  // Employee  
      }  
    }),  
  ],  
  user: {  
    additionalFields: {  
      role: {  
        type: "string",  
        required: false,  
        defaultValue: "guest",  
        input: false, // Server controls role assignment  
      },  
    },  
  },  
});



// Custom customer table (outside organization plugin)  
export const restaurantCustomer = pgTable("restaurant_customer", {  
  id: text("id").primaryKey(),  
  userId: text("user_id").notNull().references(() => user.id),  
  restaurantId: text("restaurant_id").notNull().references(() => organization.id),  
  customerType: text("customer_type").notNull(), // "paid" or "guest"  
  createdAt: timestamp("created_at").defaultNow().notNull(),  
});