chore: sync GovOPlaN module split state

src/govoplan_files/backend/storage/campaign_attachments.py

@@ -17,6 +17,7 @@ from govoplan_files.backend.storage.backends import StorageBackendError, get_sto
 from govoplan_files.backend.storage.common import FileStorageError
 from govoplan_files.backend.storage.files import current_versions_and_blobs, list_assets_for_user
 from govoplan_files.backend.storage.paths import normalize_folder, normalize_logical_path, safe_storage_component
+from govoplan_files.backend.storage.provenance import source_provenance_from_metadata, source_revision_from_metadata
 
 
 MANAGED_SOURCE_PREFIX = "managed:"
@@ -36,10 +37,16 @@ class ManagedAttachmentFile:
     checksum_sha256: str
     size_bytes: int
     content_type: str | None
+    source_provenance: dict[str, Any] | None = None
+    source_revision: str | None = None
 
     def as_dict(self) -> dict[str, Any]:
         payload = asdict(self)
         payload.pop("local_path", None)
+        if payload.get("source_provenance") is None:
+            payload.pop("source_provenance", None)
+        if payload.get("source_revision") is None:
+            payload.pop("source_revision", None)
         return payload
 
 
@@ -233,6 +240,8 @@ def prepare_campaign_snapshot(
                 checksum_sha256=blob.checksum_sha256,
                 size_bytes=blob.size_bytes,
                 content_type=blob.content_type,
+                source_provenance=source_provenance_from_metadata(asset.metadata_),
+                source_revision=source_revision_from_metadata(asset.metadata_),
             )
 
     for rule in _iter_rule_dicts(attachments, prepared_json):