diff --git a/Scripts/Board/CellView.cs b/Scripts/Board/CellView.cs
index faa5805..9c53714 100644
--- a/Scripts/Board/CellView.cs
+++ b/Scripts/Board/CellView.cs
@@ -134,4 +134,24 @@ public partial class CellView : Node2D
             .SetEase(Tween.EaseType.Out).SetTrans(Tween.TransitionType.Cubic);
         tween.TweenCallback(Callable.From(() => _highlight.Visible = false));
     }
+
+    /// <summary>
+    /// Transformer conversion flash: bright copper pulse + scale punch.
+    /// Uses a distinct color from production so the two phases read apart.
+    /// </summary>
+    public void FlashTransform(float duration = 0.45f)
+    {
+        _highlight.Color = new Color(1f, 0.5f, 0.15f, 0.7f); // bright copper
+        _highlight.Visible = true;
+
+        var tween = CreateTween();
+        tween.SetParallel(true);
+        tween.TweenProperty(_highlight, "color", new Color(1f, 0.5f, 0.15f, 0f), duration)
+            .SetEase(Tween.EaseType.Out).SetTrans(Tween.TransitionType.Cubic);
+        tween.TweenProperty(_background, "scale", new Vector2(1.08f, 1.08f), duration * 0.45f)
+            .SetEase(Tween.EaseType.Out);
+        tween.Chain().TweenProperty(_background, "scale", Vector2.One, duration * 0.55f)
+            .SetEase(Tween.EaseType.InOut);
+        tween.Chain().TweenCallback(Callable.From(() => _highlight.Visible = false));
+    }
 }
diff --git a/Scripts/Pieces/PieceView.cs b/Scripts/Pieces/PieceView.cs
index 68f61f6..57431e6 100644
--- a/Scripts/Pieces/PieceView.cs
+++ b/Scripts/Pieces/PieceView.cs
@@ -25,6 +25,9 @@ public partial class PieceView : Node2D
     private static readonly Color QueenColor = new("#8E3D5A");    // deep burgundy
     private static readonly Color WoodCargoColor = new("#A67C32");
     private static readonly Color StoneCargoColor = new("#7A7A7A");
+    private static readonly Color ToolsCargoColor = new("#C87533");
+    private static readonly Color ArmsCargoColor = new("#8B0000");
+    private static readonly Color GoldCargoColor = new("#FFD700");
     private static readonly Color ShadowColor = new Color(0, 0, 0, 0.18f);
 
     public void Setup(int pieceId, PieceKind kind, Coords startCell, Coords endCell, BoardView boardView)
@@ -136,6 +139,9 @@ public partial class PieceView : Node2D
         {
             CargoType.Wood => WoodCargoColor,
             CargoType.Stone => StoneCargoColor,
+            CargoType.Tools => ToolsCargoColor,
+            CargoType.Arms => ArmsCargoColor,
+            CargoType.Gold => GoldCargoColor,
             _ => Colors.White
         };
 
diff --git a/Scripts/Presentation/EventAnimator.cs b/Scripts/Presentation/EventAnimator.cs
index 141ed7b..f58889a 100644
--- a/Scripts/Presentation/EventAnimator.cs
+++ b/Scripts/Presentation/EventAnimator.cs
@@ -80,6 +80,7 @@ public partial class EventAnimator : Node
         tween.SetParallel(false);
 
         var produceEvents = new List<CargoProducedEvent>();
+        var transformerEvents = new List<CargoConvertedEvent>();
         var transferEvents = new List<IWorldEvent>();
         var moveEvents = new List<PieceMovedEvent>();
         var collisionEvents = new List<PieceReturnedToStockEvent>();
@@ -92,7 +93,7 @@ public partial class EventAnimator : Node
             switch (evt)
             {
                 case TurnStartedEvent ts:
-                    FlushPhases(tween, produceEvents, transferEvents, moveEvents, collisionEvents);
+                    FlushPhases(tween, produceEvents, transformerEvents, transferEvents, moveEvents, collisionEvents);
                     tween.TweenCallback(Callable.From(() => _controlBar.UpdateTurn(ts.TurnNumber)));
                     break;
 
@@ -101,8 +102,7 @@ public partial class EventAnimator : Node
                     break;
 
                 case CargoConvertedEvent converted:
-                    // Visual flash on transformer cell (treat like a produce event for animation)
-                    produceEvents.Add(new CargoProducedEvent(converted.TurnNumber, converted.TransformerCell, converted.OutputCargo));
+                    transformerEvents.Add(converted);
                     break;
 
                 case CargoTransferredEvent:
@@ -119,7 +119,7 @@ public partial class EventAnimator : Node
                     break;
 
                 case MissionCompleteEvent:
-                    FlushPhases(tween, produceEvents, transferEvents, moveEvents, collisionEvents);
+                    FlushPhases(tween, produceEvents, transformerEvents, transferEvents, moveEvents, collisionEvents);
                     tween.TweenCallback(Callable.From(() =>
                     {
                         SfxManager.Instance?.PlayVictory();
@@ -130,7 +130,7 @@ public partial class EventAnimator : Node
                     break;
 
                 case MissionStartedEvent:
-                    FlushPhases(tween, produceEvents, transferEvents, moveEvents, collisionEvents);
+                    FlushPhases(tween, produceEvents, transformerEvents, transferEvents, moveEvents, collisionEvents);
                     tween.TweenCallback(Callable.From(() =>
                     {
                         EmitSignal(SignalName.MissionAdvanced);
@@ -142,7 +142,7 @@ public partial class EventAnimator : Node
                     break;
 
                 case TurnEndedEvent:
-                    FlushPhases(tween, produceEvents, transferEvents, moveEvents, collisionEvents);
+                    FlushPhases(tween, produceEvents, transformerEvents, transferEvents, moveEvents, collisionEvents);
                     break;
 
                 default:
@@ -150,7 +150,7 @@ public partial class EventAnimator : Node
             }
         }
 
-        FlushPhases(tween, produceEvents, transferEvents, moveEvents, collisionEvents);
+        FlushPhases(tween, produceEvents, transformerEvents, transferEvents, moveEvents, collisionEvents);
 
         tween.TweenCallback(Callable.From(() =>
         {
@@ -162,10 +162,29 @@ public partial class EventAnimator : Node
     private void FlushPhases(
         Tween tween,
         List<CargoProducedEvent> produceEvents,
+        List<CargoConvertedEvent> transformerEvents,
         List<IWorldEvent> transferEvents,
         List<PieceMovedEvent> moveEvents,
         List<PieceReturnedToStockEvent> collisionEvents)
     {
+        // Phase 1a: Transformer conversions — copper flash, distinct from production
+        if (transformerEvents.Count > 0)
+        {
+            var captured = transformerEvents.ToList();
+            tween.TweenCallback(Callable.From(() =>
+            {
+                SfxManager.Instance?.PlayProduce();
+                foreach (var evt in captured)
+                {
+                    var cell = _boardView.GetCellView(evt.TransformerCell);
+                    cell?.FlashTransform(0.45f);
+                    SpawnProduceParticles(evt.TransformerCell, evt.OutputCargo);
+                }
+            }));
+            tween.TweenInterval(0.45f);
+            transformerEvents.Clear();
+        }
+
         // Phase 1: Produce — warm golden flash + particle burst
         if (produceEvents.Count > 0)
         {
diff --git a/docs/PLAN.md b/docs/PLAN.md
index a79e04f..8fe1d18 100644
--- a/docs/PLAN.md
+++ b/docs/PLAN.md
@@ -20,14 +20,12 @@ les surfaces d'interaction et d'animation.
 Fou → Dame + 2 transformateurs). La vision GDD/plan prevoit une campagne
 plus longue et un final orchestrant toutes les chaines.
 
-### 2.2 Demandes recurrentes (post-campagne 1)
-Pour forcer la preservation des automatisations entre missions :
-- Une demande consomme N unites par tour.
-- Si plus approvisionnee → etat "en penurie".
-- Condition : aucune demande en penurie pendant X tours consecutifs.
-
-Implique : nouveau champ sur `DemandState`, flag shortage, regle de victoire
-parametrable par mission. A valider via playtest avant d'ajouter au scope.
+### 2.2 Demandes recurrentes — wiring restant
+Le moteur gere le mode recurrent (`ConsumptionPerTurn`, `SustainTurns`,
+shortage tracking, events `DemandShortageStarted/Cleared`). Il reste :
+- Concevoir des missions utilisant le mode recurrent (post-campagne 1).
+- Visualisation UI du shortage (jauge buffer rouge, pulsation d'alerte).
+- Ajuster la condition de fin si un mix classique + recurrent coexiste.
 
 ---