# Independent Provenance Review: Development Toolchain Boundary

## Review Identity

- Component: current Xeno development toolchain
- Replacement milestone: PROPRIETARY-TOOLCHAIN-1
- Boundary record: `ownership/evidence/PROPRIETARY-TOOLCHAIN-1/implementation-record.md`
- Reviewer: pending independent reviewer
- Review date (UTC): pending
- Reviewer independent of implementation: pending

## Current Evidence Status

- [x] Direct tool requests reconcile to committed lockfile versions.
- [x] The generated development graph and review-required licenses are recorded.
- [x] Audited release paths prohibit network-fallback `npx` resolution.
- [x] Documentation explicitly rejects P4 and byte-reproducibility claims.
- [ ] Non-Xeno language/type/bundle/test/lint/package tools have been replaced.
- [ ] Accepted OS/compiler/SDK/CI boundaries have been approved.
- [ ] Two clean environments produce byte-identical artifacts.
- [ ] Signed provenance and independent tool-binary review are complete.
- [ ] Counsel has approved the P4 ownership language.

## Decision

- Engineering boundary decision: accurate for current P2 work
- P4 implementation decision: not approved or implemented
- P4 capability gate may be marked achieved: no
- Public P4/proprietary-toolchain claim approved: no
- Required follow-up: approve platform boundaries, fund the compiler/toolchain program, replace each capability group, prove clean reproducibility, and complete independent/counsel review
- Reviewer signature/date: pending
- Counsel approval reference: pending