feat(memory): add permission aware retrieval

src/kontextual_engine/services/__init__.py

@@ -7,7 +7,13 @@ from .asset_service import (
 )
 from .content_service import RepresentationContentResult, RepresentationContentStream, RepresentationContentService
 from .ingestion_service import AssetIngestionResult, AssetIngestionService
-from .memory_service import MemoryGraphImportSummary, MemoryRuntimeService
+from .memory_service import (
+    MemoryGraphImportSummary,
+    MemoryQueryRequest,
+    MemoryRetrievalItem,
+    MemoryRetrievalResult,
+    MemoryRuntimeService,
+)
 from .retrieval_service import (
     AssetQueryItem,
     AssetQueryRequest,
@@ -55,6 +61,9 @@ __all__ = [
     "ContextEntityQueryResult",
     "LexicalIndexRefreshResult",
     "MemoryGraphImportSummary",
+    "MemoryQueryRequest",
+    "MemoryRetrievalItem",
+    "MemoryRetrievalResult",
     "MemoryRuntimeService",
     "RelationshipChangeResult",
     "RepresentationContentResult",