added infrastructure code

data_store/repositories/__init__.py

@@ -0,0 +1,14 @@
+"""
+Repositories package for visual-semiotic-ai-analysis.
+Exposes repository implementations for use throughout the project.
+"""
+
+from .annotation_repository import AnnotationRepository
+from .image_repository import ImageRepository
+from .job_repository import JobRepository
+
+__all__ = [
+    "AnnotationRepository",
+    "ImageRepository",
+    "JobRepository",
+]