Add comprehensive documentation for SnapForm extension

- Created development.md for development setup and licensing information.
- Added features.md detailing functionalities and usage instructions for developers and users.
- Introduced index.md to serve as a navigation hub for the documentation.
- Developed outputs.md to explain output formats and their specifications.
- Established service.md to describe the AI Service architecture and environment setup.
- Created surface.md to outline the process of converting Image Empty to perspective meshes.

tests/test_addon.py

@@ -333,33 +333,6 @@ class AddonTest(unittest.TestCase):
             float(np.median(edge_lengths) * np.sqrt(10.0) * 2.0),
         )
 
-    def test_surface_background_filter_compacts_geometry_and_attributes(self):
-        vertices = np.arange(18, dtype=np.float32).reshape(6, 3)
-        faces = np.asarray(((0, 1, 2), (2, 3, 4)), dtype=np.int32)
-        uv = np.arange(12, dtype=np.float32).reshape(6, 2)
-        attributes = {
-            key: np.arange(6 if name in self.addon.image_mesh.POINT_ATTRIBUTES else 2)
-            for name, (_data_type, key) in {
-                **self.addon.image_mesh.POINT_ATTRIBUTES,
-                **self.addon.image_mesh.FACE_ATTRIBUTES,
-            }.items()
-        }
-        attributes["face_background"] = np.asarray((True, False))
-
-        result = self.addon.image_mesh.remove_surface_background(
-            vertices,
-            faces,
-            uv,
-            attributes,
-        )
-
-        filtered_vertices, filtered_faces, filtered_uv, filtered_attributes = result
-        np.testing.assert_array_equal(filtered_vertices, vertices[[2, 3, 4]])
-        np.testing.assert_array_equal(filtered_faces, ((0, 1, 2),))
-        np.testing.assert_array_equal(filtered_uv, uv[[2, 3, 4]])
-        self.assertEqual(len(filtered_attributes["point_depth"]), 3)
-        self.assertEqual(len(filtered_attributes["face_background"]), 1)
-
     def test_registers_image_background_operators(self):
         self.assertIn(self.addon.RemoveImageBackground, self.addon.CLASSES)
         self.assertIn(self.addon.ApplyRemovedBackground, self.addon.CLASSES)
@@ -706,7 +679,10 @@ class AddonTest(unittest.TestCase):
                 "snapform_keep_original",
             },
         )
-        self.assertEqual(operator.__annotations__["snapform_model"]["name"], "Model")
+        self.assertEqual(
+            operator.__annotations__["snapform_model"]["name"],
+            "Depth From",
+        )
         self.assertEqual(
             operator.__annotations__["snapform_unshaded"]["name"],
             "Unshaded",
@@ -1980,7 +1956,7 @@ class AddonTest(unittest.TestCase):
             self.assertIn("DEFAULT_CLOSED", panel.bl_options)
         self.assertEqual(
             [panel.bl_label for panel in panels],
-            ["DA3 Output Test", "MoGe-2 API Test", "BEN2 Removal Test"],
+            ["DA3", "MoGe-2", "BEN2"],
         )
 
     def test_service_panel_exposes_shared_service_state_and_controls(self):