add tracing for performance profiling

src/lib/ecs/system/CombatSystem.cpp

@@ -8,6 +8,7 @@
 #include "SensorRangeComponent.h"
 #include "ShipIdentityComponent.h"
 #include "ThreatResponseBehaviorComponent.h"
+#include "tracing.h"
 #include "WeaponComponent.h"
 
 static constexpr Tick kWeaponImpactDelayTicks = 5;
@@ -22,6 +23,7 @@ void CombatSystem::tick(Tick currentTick,
                          BuildingSystem& /*buildings*/,
                          std::vector<FireEvent>& outFireEvents)
 {
+	TRACE();
     // All weapons (ships and stations) are child entities linked via ModuleOwnerComponent.
     admin.forEach<WeaponComponent, ModuleOwnerComponent>(
         [&](entt::entity /*e*/, WeaponComponent& weapon, const ModuleOwnerComponent& owner)
@@ -124,6 +126,7 @@ void CombatSystem::resolveWeapon(
 
 void CombatSystem::applyPendingDamage(Tick currentTick, EntityAdmin& admin)
 {
+	TRACE();
     std::vector<PendingDamage>::iterator it = m_pendingDamage.begin();
     while (it != m_pendingDamage.end())
     {