Add the external-mesh adapt intake command for the MakeHuman pipeline

tools/tests/test_blender_assets.py

@@ -35,6 +35,13 @@ class CatalogueTests(unittest.TestCase):
             for mat in spec.get("emissive", []):
                 self.assertGreater(ba.PALETTE[mat][3], 0.0, f"{name}:{mat}")
 
+    def test_adapt_requires_blender(self):
+        # `adapt_glb` is a Blender-only intake step; outside Blender it must
+        # fail cleanly instead of raising.
+        result = ba.adapt_glb("/tmp/whatever.glb", "/tmp/out.glb")
+        self.assertFalse(result["ok"])
+        self.assertIn("Blender", result["error"])
+
 
 @unittest.skipUnless(ba.MANIFEST.is_file(), "Blender assets not built")
 class BuiltAssetTests(unittest.TestCase):