Core_Be/Models/GymRolePermission.cs

using System.ComponentModel.DataAnnotations.Schema;

namespace Fitness_core_BE.Models
{
    // Join row: a GymRole is granted access to one NavItem/permission key.
    // Composite key (FKGymRoleId, NavItemKey) is configured in TenantDbContext.OnModelCreating.
    public class GymRolePermission
    {
        public Guid FKGymRoleId { get; set; }
        [ForeignKey("FKGymRoleId")]
        public virtual GymRole GymRole { get; set; }

        // NavItem is central-bucket (global nav catalog); this FK is a plain scalar in
        // TenantDbContext (see Ignore config there) -- resolve the label from NavItemKey
        // against CentralDbContext.NavItems when actually needed.
        public string NavItemKey { get; set; } = string.Empty;
        [ForeignKey("NavItemKey")]
        public virtual NavItem NavItem { get; set; }
    }
}