---
id: "axiom_compendium_004"
category: "general"
confidence: 0.98
date: "2026-02-20"
source_file: "genesis_compendium_8e2a_epochs_3_9"
---

# axiom_compendium_004

Session state must be persisted using JSON Patch deltas (RFC 6902), not full text dumps. Store only the ~500-byte mutation between sessions rather than the full 200KB transcript, achieving over 100x compression.
