added uv unwarp export

tests/test_manifest.py

@@ -118,12 +118,18 @@ def test_manifest_writes_without_export(revision_dir: Path, tmp_path: Path) -> N
     assert loaded["sensor"] == "finger"
     assert loaded["revision"] == "r01"
     assert loaded["profile"] == "compute"
-    assert loaded["expected_artifacts"] == [
+    assert loaded["expected_artifacts"][:4] == [
         "mesh.npz",
         "housing.npz",
         "camera_intrinsics.npz",
         "world_to_cam.npy",
     ]
+    # The unwarp/valid-mask map is built by the export itself (SDK precompute); listing it
+    # makes a missing mask fail the export instead of shipping a bundle that renders grey.
+    # Its name embeds the profile's source_scale (`scaled_map_cache_path`), so match the
+    # family rather than one pinned value.
+    map_name = loaded["expected_artifacts"][4]
+    assert map_name.startswith("unroll_map_uv_s") and map_name.endswith(".npz")
     assert loaded["source_blend"].endswith("geometry.blend")