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CHANGELOG.md

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Changelog

All notable changes to this project will be documented in this file.

The format is based on Keep a Changelog, and this project adheres to Semantic Versioning.

[Unreleased]

Added

  • Added autonomous Codex contribution scaffold workflows: issue-triggered PR generation and CI failure self-healing issue creation.
  • Added scripts/agents/codex_generate_patch.py and scripts/agents/build_codex_prompt.py for auditable run payload generation and skill-constrained prompt composition.
  • Added scripts/agents/append_metrics.py and scripts/agents/evaluate_run.py to persist benchmark deltas, score runs, and maintain .codex/meta leaderboard + .codex/memory learning artifacts.
  • Added scripts/agents/run_end_to_end.py to execute the full autonomous scaffold loop in one command for deterministic local/CI validation.
  • Added kernel optimization skill packs under skills/ (cuda.md, tiling.md, memory_coalescing.md) for structured agent prompt injection.
  • Added failure-aware skill packs (optimization_strategies.md, compatibility_rules.md) used for prompt routing by failure type.
  • Added a production-grade HPC CI/CD architecture reference document covering deterministic build strategy, GPU matrix validation, release gating, and scaling guidance.
  • Added scripts/org_repo_review.py to automate organisation-wide repository cloning, lint/type/test/security execution, and consolidated report generation.
  • Added new GitHub Actions workflows for expanded HPC matrix validation, dedicated GPU hardware testing, benchmark regression gating, and docs build verification.
  • Added a benchmark regression check utility script with baseline support to enforce latency performance thresholds in CI.
  • Added MkDocs configuration to enable strict documentation build checks in CI.
  • Added a scheduled dependency health workflow that validates installation integrity, runs pip check, audits vulnerabilities with pip-audit, and verifies package imports across Python 3.9-3.12.
  • Added a weekly dependency canary workflow that upgrades core quality tooling to latest versions and runs lint, type checks, tests, and package build validation.
  • Expanded CI workflow to run a Python 3.9-3.12 matrix with linting, format checks, type checking, security scanning, coverage-enforced tests, smoke verification, and package build validation.
  • Added dedicated smoke workflow for pull requests and manual dispatch execution.
  • Added thread-safe nonce registry reference implementation with TTL cleanup support and observability metrics via stats().
  • Added SQLite audit storage reference implementation with append/list operations and service diagnostics through health().
  • Added coverage tests for the reference implementations.
  • Added developer automation improvements to the Makefile for formatting checks, smoke tests, dependency scanning, and build verification.

Changed

  • Extended the security workflow with dependency review, CodeQL scheduling, vulnerability scans (safety and pip-audit), and secret scanning using gitleaks.
  • Extended smoke script coverage to execute reference implementation runtime checks.
  • Updated release workflow to verify distribution metadata with twine check before PyPI publishing.

[0.1.0] - 2026-01-01

Added

  • Added a production-grade HPC CI/CD architecture reference document covering deterministic build strategy, GPU matrix validation, release gating, and scaling guidance.
  • Added new GitHub Actions workflows for expanded HPC matrix validation, dedicated GPU hardware testing, benchmark regression gating, and docs build verification.
  • Added a benchmark regression check utility script with baseline support to enforce latency performance thresholds in CI.
  • Added MkDocs configuration to enable strict documentation build checks in CI.
  • Initial kernel implementation with deterministic state machine
  • Core types: KernelState, KernelRequest, KernelReceipt, Decision, ReceiptStatus
  • Append-only audit ledger with hash-chained entries
  • Jurisdiction policy engine with composable rules
  • Tool registry with built-in echo and add tools
  • Four kernel variants: strict, permissive, evidence-first, dual-channel
  • Replay verification for audit ledger
  • CLI entrypoint with help and version commands
  • Formal specification pack under /spec
  • Five working examples demonstrating core functionality
  • Complete test suite

Fixed

  • N/A (initial release)

Changed

  • N/A (initial release)

Removed

  • N/A (initial release)

Security

  • Fail-closed semantics enforced by default
  • Hash chain integrity verification on replay
  • Jurisdiction checks mandatory before execution