Fix stale packed textures in summit marker export

scripts/export-summit-plateau.py

@@ -15,6 +15,16 @@ for obj in [marker,*marker.children_recursive]:obj.select_set(True)
 bpy.context.view_layer.objects.active=marker
 location=marker.location.copy();marker.location=(0,0,0)
 photo_body=bpy.data.objects.get('Photo matched summit boulder')
+# Repacking an already-packed image after baking can retain its old PNG bytes.
+# Refresh from the saved bake before glTF copies those bytes into the GLB.
+if photo_body and photo_body.get('paintedInscription'):
+    images={n.image for mat in photo_body.data.materials for n in mat.node_tree.nodes
+            if n.type=='TEX_IMAGE' and n.image and n.image.filepath}
+    for image in images:
+        path=Path(bpy.path.abspath(image.filepath))
+        data=path.read_bytes()
+        image.pack(data=data,data_len=len(data))
+        image.reload()
 restore=None
 if photo_body and not photo_body.get('paintedInscription'):
     mat=photo_body.data.materials[0]

src/constants/summitMarker.ts

@@ -1,5 +1,5 @@
 export const SUMMIT_MARKER = {
-  assetRevision: '8de117c42335',
+  assetRevision: 'e8ea25042407',
   buriedDepth: 0.12,
   footHeight: 0.18,
 } as const;

tests/summit-marker.test.ts

@@ -1,8 +1,24 @@
 import assert from 'node:assert/strict';
 import test from 'node:test';
+import { readFileSync } from 'node:fs';
 import { BoxGeometry, Group, Mesh, MeshStandardMaterial, Vector3 } from 'three';
 import { createSummitMarker } from '../src/scene/summitMarker.ts';
 
+test('exported marker embeds the current baked textures, not stale packed images', () => {
+  const glb = readFileSync(new URL('../public/models/summit/summit-marker.glb', import.meta.url));
+  const jsonLength = glb.readUInt32LE(12);
+  const document = JSON.parse(glb.subarray(20, 20 + jsonLength).toString());
+  const binaryStart = 28 + jsonLength;
+  assert.equal(document.images.length, 4);
+  for (const image of document.images) {
+    const view = document.bufferViews[image.bufferView];
+    const start = binaryStart + (view.byteOffset ?? 0);
+    const embedded = glb.subarray(start, start + view.byteLength);
+    const source = readFileSync(new URL(`../public/terrain/materials/${image.name}.png`, import.meta.url));
+    assert.ok(embedded.equals(source), `${image.name} must match the latest bake`);
+  }
+});
+
 test('marker seats its foot on sloping bedrock without deforming the stone', () => {
   const asset = new Group();
   const mesh = new Mesh(new BoxGeometry(4, 4, 2), new MeshStandardMaterial());