'datetime', ]; public function user(): BelongsTo { return $this->belongsTo(User::class); } public function tenant(): BelongsTo { return $this->belongsTo(Tenant::class); } public function isReady(): bool { return $this->status === self::STATUS_READY; } public function hasExpired(): bool { return $this->expires_at !== null && $this->expires_at->isPast(); } }