Schedulable Resources & Composite Trees

Facility: Olympic Aquatic & Sports Center
├── Schedulable Resource [Id: res_pool_main] (Full 50m Olympic Pool)
│   ├── Sub-resource [res_lane_1] (Lane 1 - Speed)
│   ├── Sub-resource [res_lane_2] (Lane 2 - Speed)
│   └── Sub-resource [res_lane_3] (Lane 3 - Open Swim)
└── Schedulable Resource [res_arena_indoor] (Multi-purpose Stadium)
    ├── Partition [res_arena_half_a] (Basketball Court Alpha)
    └── Partition [res_arena_half_b] (Basketball Court Beta)

public sealed class SchedulableResource : TenantAggregateRoot
{
    public Guid FacilityId { get; private set; }
    public Guid? ParentResourceId { get; private set; }
    public string Name { get; private set; } = string.Empty;
    public string KindCode { get; private set; } = string.Empty;
    public int Capacity { get; private set; }
    public bool IsComposite { get; private set; }
    public PublicationStatus PublicationStatus { get; private set; }
    public TimeZoneInfo FacilityTimeZone { get; private set; } = TimeZoneInfo.Utc;

    public Result Publish(PublicationChecklist checklist)
    {
        if (!checklist.HasOperatingHours || !checklist.HasRateCard)
            return Result.Failure("Cannot publish resource without active hours and pricing.");

        PublicationStatus = PublicationStatus.Published;
        RaiseDomainEvent(new SchedulableResourcePublishedDomainEvent(Id, TenantId, FacilityId));
        return Result.Success();
    }
}