fix designed-room iso character rendering

test/appearanceModel3d.test.js

@@ -0,0 +1,19 @@
+const Appearance = require('../src/multiplayer/appearance');
+
+describe('appearance normalization for 3D avatars', () => {
+    test('preserves base colors for model avatars', () => {
+        const ap = Appearance.normalizeAppearance({
+            avatar: 'kenney-survivor-male',
+            tint: 'gold',
+            colors: { base: 'teal', skin: 'umber', hair: 'silver' },
+            equipment: { body: 'mail', head: 'helm' }
+        });
+
+        expect(ap).toMatchObject({
+            avatar: 'kenney-survivor-male',
+            tint: 'teal',
+            equipment: { body: 'none', head: 'none', shield: 'none', weapon: 'none' },
+            colors: expect.objectContaining({ base: 'teal', skin: 'umber', hair: 'silver' })
+        });
+    });
+});

test/renderPackResolver.test.js

@@ -82,7 +82,7 @@ describe('render pack visual resolver', () => {
     RK.setEntitlementSnapshot({ totalCreditsPurchased: 1 });
     const iso = RK.avatarVisuals.resolve({ avatar: 'char-ranger' }, { projection: 'iso' });
     expect(iso).toMatchObject({ projection: 'iso', kind: 'iso', pack: 'iso-dungeon', allowed: true });
-    expect(iso.character.idle).toContain('Male_0_Idle0.png');
+    expect(iso.character.idle).toContain('Male_4_Idle0.png');
 
     const compat = RK.resolveAppearance(
       { appearance: { avatar: 'kenney-survivor-female' } },
@@ -95,6 +95,15 @@ describe('render pack visual resolver', () => {
     const RK = loadRenderKit();
     expect(RK.isoAssets.tiles.floor).toContain('planks_S.png');
     expect(RK.isoAssets.tiles.floor).not.toContain('stone_S.png');
+    expect(RK.isoAssets.tiles.wall).toContain('stoneWallHalf_S.png');
+  });
+
+  test('iso pack exposes only real imported character variants', () => {
+    const RK = loadRenderKit();
+    expect(RK.isoAssets.characters['char-villager'].idle).toContain('Male_0_Idle0.png');
+    expect(RK.isoAssets.characters['char-merchant'].idle).toContain('Male_7_Idle0.png');
+    expect(RK.isoAssets.characters['char-wizard']).toBeUndefined();
+    expect(RK.isoAssets.characters['char-goblin']).toBeUndefined();
   });
 
   test('projection visuals expose the saved base tint as a render color', () => {

test/renderScene.test.js

@@ -35,4 +35,21 @@ describe('sceneFromTavern (render kit adapter)', () => {
         const s = scene.sceneFromTavern({ cols: 2, rows: 1, layout: ['?~'], occupants: [] });
         expect(s.grid[0]).toEqual(['wall', 'wall']);
     });
+
+    test('uses walkability when a designed room has no ASCII layout', () => {
+        const s = scene.sceneFromTavern({
+            cols: 3,
+            rows: 2,
+            layout: null,
+            walkable: [
+                [true, false, true],
+                [false, true, true]
+            ],
+            occupants: []
+        });
+        expect(s.grid).toEqual([
+            ['floor', 'wall', 'floor'],
+            ['wall', 'floor', 'floor']
+        ]);
+    });
 });

test/tavernRoom.test.js

@@ -23,6 +23,20 @@ describe('Room — shared real-time engine (Tavern instance)', () => {
         expect(ids).toEqual(['alice', 'bob']);
     });
 
+    test('full state includes walkability for designed rooms without ASCII layout', () => {
+        const room = new Room({
+            id: 'designed',
+            roomData: {
+                cols: 2,
+                rows: 2,
+                walkable: [[true, false], [false, true]]
+            }
+        });
+        const state = room.fullState();
+        expect(state.layout).toBeNull();
+        expect(state.walkable).toEqual([[true, false], [false, true]]);
+    });
+
     test('server-authoritative movement: a valid step moves and sets facing', () => {
         const room = new Room({ id: 'r' });
         const occ = room.addOccupant('alice');