toDateString(), $endDate->toDateString() ); return Cache::remember($key, 300, $resolver); } public function rememberHoldingComparison(int $businessId, Carbon $startDate, Carbon $endDate, callable $resolver): array { $key = sprintf( 'cockpit:holding:%d:%s:%s', $businessId, $startDate->toDateString(), $endDate->toDateString() ); return Cache::remember($key, 300, $resolver); } public function forgetBusiness(int $businessId): void { // Pattern-based invalidation is driver-dependent; callers can rely on TTL. } }