This file provides a clean, professional update log. It follows semantic, human-readable versioning appropriate for a specification repository (not just software).
This includes:
- version history
- structure changes
- new files
- updates to spec
- enhancements to CANARY
- corrections
- major additions
Everything is written in a style compatible with GitHub releases.
# CXS + CANARY — Changelog
_Chronological log of major updates to the Continuity Architecture_
All notable changes to this project will be documented in this file.
Formatting follows a simplified Keep a Changelog style:
- **Added** — new files, features, examples
- **Changed** — modifications to existing spec
- **Fixed** — corrected inconsistencies
- **Removed** — deprecated or replaced material
---
## [1.3.0] — 2025-01-20
### Added
- Added `/validation/session-start-checklist.md`.
- Added `/validation/verification-suite-lite.md`.
- Added `/validation/session-baseline-example.md`.
- Added `/validation/sample-passport-filled.md`.
- Added `/validation/gpt-alignment-checklist.md`.
- Added `/validation/cross-model-handoff-checklist.md`.
- Added `/spec/cxs-passport-example.md`.
- Added `/spec/cxs-state-derivation.md`.
- Added `/canary/mini-anchor-examples.md`.
- Added `/canary/critical-mode.md`.
- Added root-level `CONTRIBUTING.md`.
- Added root-level `.gitignore`.
- Updated all validation files to include mandatory startup declaration:
- `I am the new chat.`
### Changed
- Improved strict-mode explanations across spec files.
- Strengthened digest explanations for determinism and canonicalization.
- Updated README with more accurate repo structure and project purpose.
### Fixed
- Corrected minor formatting issues in several markdown examples.
- Fixed inconsistencies in anchor and mini-anchor examples.
- Ensured all example digests and timestamps follow consistent formatting.
---
## [1.2.0] — 2025-01-19
### Added
- Added `/canary/runtime-protocol-lite.md` (status-dot edition).
- Added `/canary/health-states.md`.
- Added `/validation/verification-suite-16q.md` (appendix version).
- Added diagrams for strict-mode, startup ritual, and passport structure.
### Changed
- Expanded drift taxonomy to six categories.
- Updated paper sections on drift-probe questions and startup ritual.
- Improved clarity in invariants/constraints wording.
### Fixed
- Resolved mismatched ledger entry IDs in examples.
- Corrected two diagram labels in strict-mode flow.
---
## [1.1.0] — 2025-01-18
### Added
- Added `/canary/runtime-protocol.md` (full status-word protocol).
- Added initial `/validation/*` drift event logs.
- Added cross-model continuity handoff experiments:
- GPT → Claude → Grok → GPT
### Changed
- Improved the Continuity Passport template to include:
- HISTORY_SUMMARIES
- CONCERNS
- MICRO_ANCHORS
- CHAIN_OF_CUSTODY
### Fixed
- Fixed several formatting and indentation issues in YAML examples.
- Corrected drift-detection language in CANARY docs.
---
## [1.0.0] — 2025-01-17
### Added
- Repository created.
- Added `README.md` with:
- project description
- Quickstart
- repo structure
- Added `/spec/cxs-passport.yaml` initial version.
- Added `/spec/strict-mode.md`, `/spec/startup-ritual.md`, `/spec/digest-spec.md`.
- Added `/paper` folder structure.
---
## Release Naming Note
CXS uses **spec versions** separate from Git tags.
Spec version updates correspond to changes in the Continuity Passport format, strict-mode, or startup ritual semantics.
---
## Future Planned Updates
- Add more drift event examples.
- Publish extended CANARY patterns for multi-day sessions.
- Add reference implementation illustrations (pseudo-code only).