diff --git a/common/src/common/db/models/storage.py b/common/src/common/db/models/storage.py
index 85edf86..0cd7daf 100644
--- a/common/src/common/db/models/storage.py
+++ b/common/src/common/db/models/storage.py
@@ -10,6 +10,13 @@ from common.db.base import Base
 
 class StorageObjects(Base):
     __tablename__ = "storage_objects"
+    # Force SQLAlchemy to round-trip server-default columns (created_at,
+    # updated_at, ...) via a follow-up SELECT after INSERT. Without this,
+    # attributes populated by `server_default` stay unloaded on the ORM
+    # object and the next sync read (e.g. storage_payload in storage_api.py)
+    # triggers a lazy refresh through the async driver, which raises
+    # MissingGreenlet because the read happens outside an awaitable.
+    __mapper_args__ = {"eager_defaults": "auto"}
     __table_args__ = (
         Index("fk_storage_created_by", "created_by"),
         Index("idx_storage_content_hash", "content_hash"),