refactor AI system

src/lib/sim/Simulation.cpp

@@ -14,6 +14,8 @@
 #include "ModuleOwnerComponent.h"
 #include "MovementIntentSystem.h"
 #include "PositionComponent.h"
+#include "RepairSystem.h"
+#include "SalvagerSystem.h"
 #include "ScrapSystem.h"
 #include "ShipIdentityComponent.h"
 #include "ShipSystem.h"
@@ -68,6 +70,8 @@ Simulation::Simulation(GameConfig config, unsigned int seed)
     m_movementIntentSystem = std::make_unique<MovementIntentSystem>();
     m_dynamicBodySystem    = std::make_unique<DynamicBodySystem>();
     m_scrapSystem    = std::make_unique<ScrapSystem>(m_admin);
+    m_salvagerSystem = std::make_unique<SalvagerSystem>(m_admin);
+    m_repairSystem   = std::make_unique<RepairSystem>(m_admin);
     m_waveSystem     = std::make_unique<WaveSystem>(m_config, m_rng);
     m_combatSystem   = std::make_unique<CombatSystem>(m_config);
 
@@ -169,6 +173,8 @@ void Simulation::reset(unsigned int seed)
     m_movementIntentSystem = std::make_unique<MovementIntentSystem>();
     m_dynamicBodySystem    = std::make_unique<DynamicBodySystem>();
     m_scrapSystem    = std::make_unique<ScrapSystem>(m_admin);
+    m_salvagerSystem = std::make_unique<SalvagerSystem>(m_admin);
+    m_repairSystem   = std::make_unique<RepairSystem>(m_admin);
     m_waveSystem     = std::make_unique<WaveSystem>(m_config, m_rng);
     m_combatSystem   = std::make_unique<CombatSystem>(m_config);
 
@@ -238,11 +244,12 @@ void Simulation::tick()
     }
 
     m_shipSystem->clearMovementIntents();
-    m_aiSystem->tickHomeReturnBehavior(m_admin);                                          // priority 4
-    m_aiSystem->tickThreatResponseBehavior(m_admin, *m_buildingSystem);                  // priority 3
-    m_aiSystem->tickRepairBehavior(m_admin, *m_buildingSystem);                          // priority 2
-    m_aiSystem->tickRepairTools(m_admin);
-    m_aiSystem->tickSalvageBehavior(m_admin, *m_scrapSystem, *m_buildingSystem);         // priority 1
+    // Score-based behavior selection: evaluate, select winner, execute (sets
+    // movement intent + preferred module targets only — no world mutation).
+    m_aiSystem->tick(m_admin, *m_buildingSystem, *m_scrapSystem);
+    // Module systems perform the world mutation (collection/delivery, healing).
+    m_salvagerSystem->tick(*m_scrapSystem, *m_buildingSystem);
+    m_repairSystem->tick();
 
     // Step 8: combat resolution
     m_combatSystem->tick(m_currentTick, m_admin,

src/lib/sim/Simulation.h

@@ -27,6 +27,8 @@ class BuildingSystem;
 class CombatSystem;
 class DynamicBodySystem;
 class MovementIntentSystem;
+class RepairSystem;
+class SalvagerSystem;
 class ShipSystem;
 class ScrapSystem;
 class WaveSystem;
@@ -185,6 +187,8 @@ private:
     std::unique_ptr<MovementIntentSystem> m_movementIntentSystem;
     std::unique_ptr<DynamicBodySystem>    m_dynamicBodySystem;
     std::unique_ptr<ScrapSystem>      m_scrapSystem;
+    std::unique_ptr<SalvagerSystem>   m_salvagerSystem;
+    std::unique_ptr<RepairSystem>     m_repairSystem;
     std::unique_ptr<WaveSystem>       m_waveSystem;
     std::unique_ptr<CombatSystem>     m_combatSystem;