show accumulated threat for teams in balancing target

src/balancing/ArenaSimulation.cpp

@@ -26,6 +26,7 @@
 #include "StationBodyComponent.h"
 #include "StationsConfig.h"
 #include "SurfaceMask.h"
+#include "ThreatCostCalculator.h"
 #include "WeaponComponent.h"
 
 ArenaSimulation::ArenaSimulation(const GameConfig& gameConfig,
@@ -64,6 +65,24 @@ ArenaSimulation::ArenaSimulation(const GameConfig& gameConfig,
     m_salvagerSystem = std::make_unique<SalvagerSystem>(m_admin);
     m_repairSystem   = std::make_unique<RepairSystem>(m_admin);
 
+    // Static accumulated threat per team: sum of count * per-ship threat cost
+    // (REQ-MOD-THREAT) over the configured ship roster. Ships only; HQ and
+    // defence stations are excluded. Level-independent, so computed once here.
+    for (int ti = 0; ti < 2; ++ti)
+    {
+        double teamThreat = 0.0;
+        for (const ArenaShipEntry& shipEntry : m_arenaConfig.teams[ti].ships)
+        {
+            const std::vector<PlacedModule>& modules = shipEntry.layout
+                ? shipEntry.layout->placedModules
+                : std::vector<PlacedModule>{};
+            const double shipThreat = calculateShipThreatCost(
+                m_gameConfig.threatCosts, m_gameConfig, shipEntry.schematicId, modules);
+            teamThreat += shipThreat * shipEntry.count;
+        }
+        m_teamThreat[ti] = teamThreat;
+    }
+
     placeStructures();
     spawnShips();
 
@@ -460,6 +479,7 @@ void ArenaSimulation::updateStatus()
     {
         ArenaStatus::TeamStatus& teamStatus = newStatus.teams[ti];
         teamStatus.name = m_arenaConfig.teams[ti].name;
+        teamStatus.threatLevel = m_teamThreat[ti];
 
         // HQ entry (always first).
         {