Embeddings and language drift as suppliers and seasons change; without versioning, agents cite stale semantics. Treat embedding and taxonomy versions as release artifacts with regression tests.
Executive snapshot
Semantic Drift in 10M+ SKU Catalogs
Systems & logicCatalog scale
The move
Large catalogs evolve weekly; semantic neighborhoods shift silently.
The friction
Drift shows up as wrong substitutes, policy violations, and silent ranking collapse in agents.
The product verdict
Schedule drift detection, shadow evals, and rollback paths tied to catalog publish trains.
Field note · Strategic dispatch · /dispatch/semantic-drift-10m-sku-catalogs