diff --git a/Data/campaigns/campaign_01.json b/Data/campaigns/campaign_01.json
index d661c9b..f8b33d3 100644
--- a/Data/campaigns/campaign_01.json
+++ b/Data/campaigns/campaign_01.json
@@ -204,8 +204,8 @@
     },
     {
       "id": 7,
-      "name": "Le Couronnement",
-      "description": "Le Comptoir transforme les outils en or. Livrez l'or au Trésor Royal pour couronner le Roi.",
+      "name": "Le Comptoir",
+      "description": "Le Comptoir transforme les outils en or. Livrez l'or au Trésor Royal — bientôt le Roi.",
       "flavor": "« De l'or ! Le Roi sera content. Enfin… s'il reste du budget pour nous payer. » — Dame sceptique",
       "terrainPatch": {
         "newWidth": 10,
@@ -222,6 +222,91 @@
         { "kind": "rook", "count": 4 },
         { "kind": "bishop", "count": 2 }
       ]
+    },
+    {
+      "id": 8,
+      "name": "L'Expansion Finale",
+      "description": "Deux nouveaux transformateurs s'ajoutent pour soutenir la production. Les routes existantes doivent tenir.",
+      "flavor": "« On double l'équipe, on double la paie ? Non. D'accord, double le boulot alors. » — Pion pragmatique",
+      "terrainPatch": {
+        "newWidth": 12,
+        "newHeight": 10,
+        "cells": [
+          { "col": 10, "row": 0, "type": "empty" },
+          { "col": 10, "row": 1, "type": "empty" },
+          { "col": 10, "row": 2, "type": "empty" },
+          { "col": 10, "row": 3, "type": "empty" },
+          { "col": 10, "row": 4, "type": "empty" },
+          { "col": 10, "row": 5, "type": "transformer", "transformer": { "name": "Forge Est", "inputCargo": "wood", "inputRequired": 2, "outputCargo": "tools", "outputAmount": 1 } },
+          { "col": 10, "row": 6, "type": "wall" },
+          { "col": 10, "row": 7, "type": "empty" },
+          { "col": 10, "row": 8, "type": "empty" },
+          { "col": 10, "row": 9, "type": "empty" },
+          { "col": 11, "row": 0, "type": "empty" },
+          { "col": 11, "row": 1, "type": "empty" },
+          { "col": 11, "row": 2, "type": "empty" },
+          { "col": 11, "row": 3, "type": "transformer", "transformer": { "name": "Armurerie Est", "inputCargo": "stone", "inputRequired": 2, "outputCargo": "arms", "outputAmount": 1 } },
+          { "col": 11, "row": 4, "type": "empty" },
+          { "col": 11, "row": 5, "type": "empty" },
+          { "col": 11, "row": 6, "type": "empty" },
+          { "col": 11, "row": 7, "type": "wall" },
+          { "col": 11, "row": 8, "type": "empty" },
+          { "col": 11, "row": 9, "type": "demand", "demand": { "name": "Entrepôt Est", "cargo": "tools", "amount": 2 } }
+        ]
+      },
+      "unlockedPieces": [],
+      "unlockedLevels": [],
+      "stock": [
+        { "kind": "rook", "count": 4 },
+        { "kind": "bishop", "count": 2 },
+        { "kind": "knight", "count": 2 },
+        { "kind": "pawn", "count": 4 }
+      ]
+    },
+    {
+      "id": 9,
+      "name": "Le Couronnement",
+      "description": "La Cathédrale est la dernière étape. Elle réclame outils, armes et or simultanément pour couronner le Roi.",
+      "flavor": "« Trois offrandes, un Roi. Et après, c'est lui qui nous couronne ? Ou qui nous exécute ? » — Cavalier inquiet",
+      "terrainPatch": {
+        "newWidth": 12,
+        "newHeight": 12,
+        "cells": [
+          { "col": 0, "row": 10, "type": "empty" },
+          { "col": 0, "row": 11, "type": "empty" },
+          { "col": 1, "row": 10, "type": "empty" },
+          { "col": 1, "row": 11, "type": "empty" },
+          { "col": 2, "row": 10, "type": "empty" },
+          { "col": 2, "row": 11, "type": "empty" },
+          { "col": 3, "row": 10, "type": "empty" },
+          { "col": 3, "row": 11, "type": "empty" },
+          { "col": 4, "row": 10, "type": "empty" },
+          { "col": 4, "row": 11, "type": "empty" },
+          { "col": 5, "row": 10, "type": "empty" },
+          { "col": 5, "row": 11, "type": "demand", "demand": { "name": "Cathédrale (Outils)", "cargo": "tools", "amount": 2 } },
+          { "col": 6, "row": 10, "type": "empty" },
+          { "col": 6, "row": 11, "type": "demand", "demand": { "name": "Cathédrale (Armes)", "cargo": "arms", "amount": 2 } },
+          { "col": 7, "row": 10, "type": "empty" },
+          { "col": 7, "row": 11, "type": "demand", "demand": { "name": "Cathédrale (Or)", "cargo": "gold", "amount": 2 } },
+          { "col": 8, "row": 10, "type": "empty" },
+          { "col": 8, "row": 11, "type": "empty" },
+          { "col": 9, "row": 10, "type": "empty" },
+          { "col": 9, "row": 11, "type": "empty" },
+          { "col": 10, "row": 10, "type": "empty" },
+          { "col": 10, "row": 11, "type": "empty" },
+          { "col": 11, "row": 10, "type": "empty" },
+          { "col": 11, "row": 11, "type": "empty" }
+        ]
+      },
+      "unlockedPieces": [],
+      "unlockedLevels": [],
+      "stock": [
+        { "kind": "queen", "count": 2 },
+        { "kind": "rook", "count": 4 },
+        { "kind": "bishop", "count": 2 },
+        { "kind": "knight", "count": 2 },
+        { "kind": "pawn", "count": 4 }
+      ]
     }
   ]
 }
diff --git a/chessistics-tests/Loading/Campaign01Tests.cs b/chessistics-tests/Loading/Campaign01Tests.cs
new file mode 100644
index 0000000..2d3c990
--- /dev/null
+++ b/chessistics-tests/Loading/Campaign01Tests.cs
@@ -0,0 +1,81 @@
+using System.IO;
+using Chessistics.Engine.Loading;
+using Chessistics.Engine.Model;
+using Xunit;
+
+namespace Chessistics.Tests.Loading;
+
+public class Campaign01Tests
+{
+    private static CampaignDef LoadRealCampaign()
+    {
+        var repoRoot = Path.Combine(AppContext.BaseDirectory, "..", "..", "..", "..");
+        var path = Path.GetFullPath(Path.Combine(repoRoot, "Data", "campaigns", "campaign_01.json"));
+        return CampaignLoader.Load(File.ReadAllText(path));
+    }
+
+    [Fact]
+    public void Campaign_HasExpectedStructure()
+    {
+        var c = LoadRealCampaign();
+        Assert.Equal(9, c.Missions.Count);
+        Assert.Equal(4, c.InitialWidth);
+        Assert.Equal(4, c.InitialHeight);
+    }
+
+    [Fact]
+    public void Mission8_AddsTwoTransformersAndExpandsTo12x10()
+    {
+        var c = LoadRealCampaign();
+        var m8 = c.Missions[7];
+        Assert.Equal("L'Expansion Finale", m8.Name);
+        Assert.Equal(12, m8.TerrainPatch.NewWidth);
+        Assert.Equal(10, m8.TerrainPatch.NewHeight);
+
+        var transformers = m8.TerrainPatch.Cells.Where(p => p.Type == CellType.Transformer).ToList();
+        Assert.Equal(2, transformers.Count);
+        Assert.Contains(transformers, t => t.Transformer!.Name == "Forge Est");
+        Assert.Contains(transformers, t => t.Transformer!.Name == "Armurerie Est");
+    }
+
+    [Fact]
+    public void Mission9_CathedralDemandsAllThreeCargoTypes()
+    {
+        var c = LoadRealCampaign();
+        var m9 = c.Missions[8];
+        Assert.Equal("Le Couronnement", m9.Name);
+        Assert.Equal(12, m9.TerrainPatch.NewWidth);
+        Assert.Equal(12, m9.TerrainPatch.NewHeight);
+
+        var demands = m9.TerrainPatch.Cells.Where(p => p.Type == CellType.Demand).ToList();
+        Assert.Equal(3, demands.Count);
+        var types = demands.Select(d => d.Demand!.Cargo).ToHashSet();
+        Assert.Contains(CargoType.Tools, types);
+        Assert.Contains(CargoType.Arms, types);
+        Assert.Contains(CargoType.Gold, types);
+    }
+
+    [Fact]
+    public void Mission7_RenamedToComptoir()
+    {
+        var c = LoadRealCampaign();
+        var m7 = c.Missions[6];
+        Assert.Equal("Le Comptoir", m7.Name);
+    }
+
+    [Fact]
+    public void AllTerrainPatchesAreNonRegressive()
+    {
+        // Subsequent missions must only grow the board, never shrink it.
+        var c = LoadRealCampaign();
+        int w = c.InitialWidth, h = c.InitialHeight;
+        for (int i = 0; i < c.Missions.Count; i++)
+        {
+            var tp = c.Missions[i].TerrainPatch;
+            Assert.True(tp.NewWidth >= w, $"Mission {i}: width shrunk from {w} to {tp.NewWidth}");
+            Assert.True(tp.NewHeight >= h, $"Mission {i}: height shrunk from {h} to {tp.NewHeight}");
+            w = tp.NewWidth;
+            h = tp.NewHeight;
+        }
+    }
+}
diff --git a/chessistics-tests/Loading/CampaignFileTests.cs b/chessistics-tests/Loading/CampaignFileTests.cs
index 814f969..602034a 100644
--- a/chessistics-tests/Loading/CampaignFileTests.cs
+++ b/chessistics-tests/Loading/CampaignFileTests.cs
@@ -12,7 +12,7 @@ public class CampaignFileTests
         var campaign = CampaignLoader.LoadFromFile("../../../../Data/campaigns/campaign_01.json");
 
         Assert.Equal("La Quête du Roi", campaign.Name);
-        Assert.Equal(7, campaign.Missions.Count);
+        Assert.Equal(9, campaign.Missions.Count);
     }
 
     [Fact]
@@ -52,7 +52,7 @@ public class CampaignFileTests
         var campaign = CampaignLoader.LoadFromFile("../../../../Data/campaigns/campaign_01.json");
         var m7 = campaign.Missions[6];
 
-        Assert.Equal("Le Couronnement", m7.Name);
+        Assert.Equal("Le Comptoir", m7.Name);
 
         var transformerCell = m7.TerrainPatch.Cells
             .FirstOrDefault(c => c.Type == CellType.Transformer);
diff --git a/docs/PLAN.md b/docs/PLAN.md
index 8a076d2..036e3a4 100644
--- a/docs/PLAN.md
+++ b/docs/PLAN.md
@@ -12,12 +12,6 @@ et l'extension de la campagne.
 Le moteur expose deja les commandes et events requis ; cote Godot il manque
 les surfaces d'interaction et d'animation.
 
-### 1.6 Visualisation des trajets
-`TrajectView` existe. Manque :
-- Fleches directionnelles sur le trait.
-- Pulsation legere du trait quand la piece est en mouvement.
-- Couleur unique par piece pour distinguer les chaines.
-
 ---
 
 ## 2. Extension de la campagne