Batch lineage without a database migration — just log the parent ID

The symptom Every stage of production logs its own operations — receiving, prep, processing, shipping — in its own log. All the data technically exists. And yet a simple query kept being impossible to answer: what upstream inputs actually went into this specific unit of output? That query matters most exactly when it's hardest to run: during a... Weiterlesen: Batch lineage without a database migration — just log the parent ID