Governed asset registry slice with asset creation, representations, metadata, lifecycle transitions, policy authorization, fail-closed denial, audit events, and version records

src/kontextual_engine/core/assets.py

@@ -76,6 +76,22 @@ class AssetRepresentation:
             }
         )
 
+    @classmethod
+    def from_dict(cls, data: dict[str, Any]) -> "AssetRepresentation":
+        return cls(
+            representation_id=data["representation_id"],
+            asset_id=data["asset_id"],
+            kind=RepresentationKind(data["kind"]),
+            media_type=data["media_type"],
+            digest=data["digest"],
+            size_bytes=int(data["size_bytes"]),
+            storage_ref=data.get("storage_ref"),
+            producer=data.get("producer"),
+            source_ref_id=data.get("source_ref_id"),
+            metadata=dict(data.get("metadata", {})),
+            created_at=data["created_at"],
+        )
+
 
 @dataclass(frozen=True)
 class KnowledgeAsset:
@@ -119,6 +135,9 @@ class KnowledgeAsset:
             return self
         return replace(self, aliases=self.aliases + (alias,), updated_at=utc_now().isoformat())
 
+    def with_current_version(self, version_id: str) -> "KnowledgeAsset":
+        return replace(self, current_version_id=version_id, updated_at=utc_now().isoformat())
+
     def transition_lifecycle(self, lifecycle: LifecycleState | str) -> "KnowledgeAsset":
         lifecycle_state = LifecycleState(lifecycle)
         classification = replace(self.classification, lifecycle=lifecycle_state)
@@ -145,3 +164,17 @@ class KnowledgeAsset:
             }
         )
 
+    @classmethod
+    def from_dict(cls, data: dict[str, Any]) -> "KnowledgeAsset":
+        return cls(
+            id=data["id"],
+            title=data["title"],
+            classification=Classification.from_dict(data["classification"]),
+            source_refs=tuple(SourceReference.from_dict(item) for item in data.get("source_refs", [])),
+            aliases=tuple(data.get("aliases", [])),
+            current_version_id=data.get("current_version_id"),
+            lifecycle=LifecycleState(data.get("lifecycle", LifecycleState.ACTIVE.value)),
+            metadata=dict(data.get("metadata", {})),
+            created_at=data["created_at"],
+            updated_at=data["updated_at"],
+        )