{"title":"Schema Evolution: Breaking Change Management","region":"Global","category":"Architecture","description":"Maintaining agent compatibility across data model updates.","lastUpdated":"2026-02-23","steps":["Version all 'Tool Signatures' using Semantic Versioning (SemVer).","Provide 'Backwards Compatible' tool definitions for 30 days.","Implement 'Schema Mapping' to translate old data for new agents.","Audit for 'Silent Failures' where agents use deprecated fields.","Run 'Legacy Regression' tests before every infrastructure update."],"url":"https://checklist.day/schema-evolution-breaking-change-management"}