Data Bricklaying Diary

Oct 30, 2026 · Backend Development

Agent Decisions on Stale Data: Freshness Contracts & Write-Time Validation

The article explains why Agents making decisions on seemingly real-time data can fail due to staleness and inconsistency, and proposes data freshness contracts per use case, versioned responses, write-time validation (version checks, pre-occupancy), and permission revocation propagation to ensure trustworthy data supply.