fix(movement): lock target during ram — no switching until target dies or ram exits

ModularBot_garage/src/ModularBot.nim

@@ -174,6 +174,8 @@ method onBotDeath*(bot: ModularBot, e: BotDeathEvent) =
   bot.enemyTracker.markDead(e.victimId)
   if bot.enemyCount > 0:
     dec bot.enemyCount
+  if e.victimId == bot.currentTargetId:
+    bot.isRamming = false
 
 method onGameStarted*(bot: ModularBot, e: GameStartedEventForBot) =
   # minNumberOfParticipants == maxNumberOfParticipants for fixed battles; self is -1
@@ -256,7 +258,8 @@ method run*(bot: ModularBot) =
     setRadarTurnRate(radarRate)
     go()
 
-    # --- Target selection (sticky) ---
+    # --- Target selection (sticky) --- lock target during ram to prevent dangerous switch
+    if not bot.isRamming:
       let candidateId = selectTarget(bot.enemyTracker, getX(), getY(), tmClosest)
       if bot.shouldSwitchTarget(candidateId):
         if candidateId != bot.currentTargetId: