Maintainability Plans

1. 01-shared-model-normalization.md
2. 02-typed-ipc-boundaries.md
3. 03-split-codex-app-server-manager.md
4. 04-split-chatview-component.md
5. 05-zod-persisted-state-validation.md
6. 06-provider-logstream-lifecycle.md
7. 07-ci-quality-gates.md
8. 08-precommit-format-and-lint.md
9. 09-event-state-test-expansion.md
10. 10-unify-process-session-abstraction.md
11. 19-version-control-phase-1-vcs-driver-foundation.md
12. 20-version-control-phase-2-source-control-provider-foundation.md