Add Engine SQLite infrastructure

Data/Engine/repositories/sqlite/__init__.py

@@ -0,0 +1,21 @@
+"""SQLite persistence helpers for the Borealis Engine."""
+
+from __future__ import annotations
+
+from .connection import (
+    SQLiteConnectionFactory,
+    configure_connection,
+    connect,
+    connection_factory,
+    connection_scope,
+)
+from .migrations import apply_all
+
+__all__ = [
+    "SQLiteConnectionFactory",
+    "configure_connection",
+    "connect",
+    "connection_factory",
+    "connection_scope",
+    "apply_all",
+]