added infrastructure code

data_store/dto/__init__.py

@@ -0,0 +1,20 @@
+"""
+DTO package for visual-semiotic-ai-analysis.
+Exposes core data transfer objects and enums for use throughout the project.
+"""
+
+from .angle_enum import AngleEnum
+from .annotation import Annotation
+from .contact_enum import ContactEnum
+from .distance_enum import DistanceEnum
+from .job import Job
+from .point_of_view_enum import PointOfViewEnum
+
+__all__ = [
+    "AngleEnum",
+    "Annotation",
+    "ContactEnum",
+    "DistanceEnum",
+    "Job",
+    "PointOfViewEnum",
+]