PL-001 — Engineering Platform (ZEP)

Status: Canonical · GA @ 1.0.0
Owner: Platform Architecture
Repository: zaixos-engineering-platform
Package: zaixos/engineering-platform
Last updated: 2026-07-05

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Purpose

Product-independent engineering foundation — methodology, runtime contracts, certified adapters, validation, and this knowledge base.

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Responsibilities

Owns

• Engineering Operating System (EOS) methodology
• Runtime contracts and materialization pipeline
• Cursor Adapter v1 (certified IDE integration)
• Architecture validation suites
• Official engineering documentation portal (docs/)

Does not own

• Product domain logic (PRD-xxx)
• AI agent execution (PL-003)
• Intelligence / learning (PL-004)
• Design tokens (PL-002)

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Architecture

flowchart TB
    subgraph ZEP["PL-001"]
        GOV[Constitution L0]
        METH[Methodology L1]
        CON[Contracts L2]
        RT[Runtime Spec L3]
        ADP[Adapters L4]
        MAT[Materialization L5]
        VAL[Validation L6]
    end
    CONSUMER[Product .zaixos/] --> MAT
    MAT --> ADP
    ADP --> CON

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Contracts

Primary consumer surface: runtime constraint contracts, materialization manifests, validation obligations.

Index: REFERENCE/contracts-index.md · Registry: PLATFORM_CONTRACTS

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Integration

Products pin ZEP via .zaixos/platform.lock and run php bin/materialize-zaixos.php.

Guide: developer-guide.md

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Known limitations

• Dual-maintenance period while embedded ERP migrates out of legacy consumers
• Registry PL-004–006 registration pending full A0 evidence

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Version history

Version	Date	Notes
1.0.0	2026-06	Platform GA

Evidence: releases/phase-12-9-platform-ga-report.md

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Related

• ADR/ADR-001-why-zep-exists.md
• technical/TECHNICAL_ARCHITECTURE.md
• PLATFORMS/README.md

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