# Phase 126: Closure And Regression Audit - Context

**Gathered:** 2026-04-11
**Status:** Implemented and verified
**Mode:** Milestone closeout for `v1.64`

<domain>
## Phase Boundary

Close `v1.64` with targeted regressions, maintainability-budget verification,
acceptance coverage, and a fresh green full-suite baseline.

</domain>

<decisions>
## Implementation Decisions

### Locked decisions

- keep `999.27` honest as a first production slice rather than full closure
- do not move maintainability budgets
- require `status --json` acceptance plus a green full suite before closure

</decisions>

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*Phase: 126-closure-and-regression-audit*
*Context captured on 2026-04-11 after Phase 126 implementation and verification*
