feat: add resource library and real image workflow

app/domain/models/order.py

@@ -15,12 +15,11 @@ class Order:
     service_mode: ServiceMode
     status: OrderStatus
     model_id: int
-    pose_id: int
+    pose_id: int | None
     garment_asset_id: int
-    scene_ref_asset_id: int
+    scene_ref_asset_id: int | None
     final_asset_id: int | None
     workflow_id: str | None
     current_step: WorkflowStepName | None
     created_at: datetime
     updated_at: datetime
-