chore: Bump version to 0.12.13 and update documentation for color space handling

tests/test_image_depth.py

@@ -42,6 +42,52 @@ class ImageDepthTest(unittest.TestCase):
     def setUpClass(cls):
         cls.image_depth = load_image_depth()
 
+    def test_material_color_space_matches_scene_view_transform(self):
+        mappings = {
+            "ACES 1.3": "ACES 1.3 sRGB",
+            "ACES 2.0": "ACES 2.0 sRGB",
+            "AgX": "AgX Base sRGB",
+            "Filmic": "Filmic sRGB",
+            "Khronos PBR Neutral": "Khronos PBR Neutral sRGB",
+            "Standard": "AgX Base sRGB",
+        }
+        for view_transform, expected in mappings.items():
+            with self.subTest(view_transform=view_transform):
+                scene = SimpleNamespace(
+                    view_settings=SimpleNamespace(
+                        view_transform=view_transform,
+                    )
+                )
+                self.assertEqual(
+                    self.image_depth.material_color_space_name(scene),
+                    expected,
+                )
+
+    def test_material_color_space_falls_back_when_unsupported(self):
+        class ColorSpaceSettings:
+            def __init__(self):
+                self._name = "sRGB"
+
+            @property
+            def name(self):
+                return self._name
+
+            @name.setter
+            def name(self, value):
+                if value != "sRGB":
+                    raise TypeError("unsupported color space")
+                self._name = value
+
+        image = SimpleNamespace(colorspace_settings=ColorSpaceSettings())
+        scene = SimpleNamespace(
+            view_settings=SimpleNamespace(view_transform="ACES 2.0")
+        )
+
+        result = self.image_depth.set_material_color_space(image, scene)
+
+        self.assertEqual(result, "sRGB")
+        self.assertEqual(image.colorspace_settings.name, "sRGB")
+
     def test_extracts_depth_and_uses_first_view(self):
         with tempfile.TemporaryDirectory() as directory:
             npz_path = Path(directory) / "results.npz"