fix issue where repair behavior targets enemy HQ in balancing target

src/balancing/ArenaSimulation.cpp

@@ -14,6 +14,7 @@
 #include "EntityAdmin.h"
 #include "FactionComponent.h"
 #include "HealthComponent.h"
+#include "HqProxyComponent.h"
 #include "ModuleOwnerComponent.h"
 #include "MovementIntentSystem.h"
 #include "PositionComponent.h"
@@ -121,6 +122,8 @@ void ArenaSimulation::placeStructures()
         }
         m_team1HqEntity = m_admin.spawnStation(anchor, hqParsed.footprint, absCells,
                                                 hp, hp, false);
+        // Tag as an HQ so it is excluded from repair targeting (REQ-SHP-REPAIR).
+        m_admin.addComponent<HqProxyComponent>(m_team1HqEntity);
         m_buildingSystem->registerTileOccupancy(absCells, allocateBuildingId());
     }
 
@@ -140,6 +143,8 @@ void ArenaSimulation::placeStructures()
         }
         m_team2HqEntity = m_admin.spawnStation(anchor, hqParsed.footprint, absCells,
                                                 hp, hp, true);
+        // Tag as an HQ so it is excluded from repair targeting (REQ-SHP-REPAIR).
+        m_admin.addComponent<HqProxyComponent>(m_team2HqEntity);
         m_buildingSystem->registerTileOccupancy(absCells, allocateBuildingId());
     }