Draw the escalation ladder early
When sync fails quietly, humans improvise dangerously. Decide what retries, alerting, manual pause, or human ping looks like beforehand. HTTP idioms documented on MDN help cross-team chatter stay precise.
Name the compromises
Duplicate sources of truth sneak in politely. Admit them: “finance is authoritative here”, “marketing still blesses Shopify tags there.” Scripts should echo that story in logs, not bury it under INFO spam.