---
type: topic-doc
area: accessibility
visibility: public
last_memory_sync: 2026-07-02T03:46:15.369986+00:00
---
# Accessibility
## Current model
- COE-541 contributed: PR #207: feat(codex): archive and recover canonical threads (merge `c2723c2`)
## Important invariants
- Preserve the behavior described in the recent captured changes unless current code and tests show it has changed.
- Use capsule source refs to inspect the original PR or Linear issue when context is ambiguous.
## Operational flow
- No generated diagram requested for this sync.
## Known gotchas
- No area-specific gotchas were inferred from the selected memory.
## Recent changes
- COE-541: Durable Codex Thread Archive And Debug Recovery
## Source refs
- COE-541