TenantAtlas/app/Models/InventoryItem.php

<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Relations\BelongsTo;

class InventoryItem extends Model
{
    /** @use HasFactory<\Database\Factories\InventoryItemFactory> */
    use HasFactory;

    protected $guarded = [];

    protected $casts = [
        'meta_jsonb' => 'array',
        'last_seen_at' => 'datetime',
    ];

    public function tenant(): BelongsTo
    {
        return $this->belongsTo(Tenant::class);
    }

    public function lastSeenRun(): BelongsTo
    {
        return $this->belongsTo(OperationRun::class, 'last_seen_operation_run_id');
    }

    public function lastSeenOperationRun(): BelongsTo
    {
        return $this->belongsTo(OperationRun::class, 'last_seen_operation_run_id');
    }
}