feat(documents): refresh detail pages and attachment cards

backend/app/schemas/document_version.py

@@ -5,6 +5,8 @@ from typing import Optional
 
 from pydantic import BaseModel, ConfigDict
 
+from app.schemas.user import UserDisplay
+
 
 class DocumentVersionStatus(str, enum.Enum):
     DRAFT = "DRAFT"
@@ -39,6 +41,7 @@ class DocumentVersionRead(BaseModel):
     mime_type: Optional[str] = None
     change_summary: Optional[str] = None
     created_by: Optional[uuid.UUID] = None
+    created_by_user: Optional[UserDisplay] = None
     submitted_at: Optional[datetime] = None
     approved_at: Optional[datetime] = None
     withdrawn_at: Optional[datetime] = None