# TANRAIL ONE — PHASE 5.1 VERIFICATION GATE
## Stage 5.1 — Production Foundation & Bill of Materials (BOM)

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### 1. Gate Audit Summary

| Metric | Target | Verified Live Result | Status |
|---|---|---|---|
| Automated Tests | 257 | **257 Passed** | **PASS** |
| Total Assertions | 519 | **519 Assertions** | **PASS** |
| Test Failures | 0 | **0 Failures** | **PASS** |
| Test Errors | 0 | **0 Errors** | **PASS** |
| Skipped Tests | 0 | **0 Skipped** | **PASS** |
| Code Style (Pint) | Clean | **100% Clean (`{"tool":"pint","result":"passed"}`)** | **PASS** |
| Core Domain Integrity | Stable | **0 Core domain files altered (`app/Domains/Core/`)** | **PASS** |
| Tenant Isolation | 100% Isolated | **Cross-Org BOM components intercepted (`CrossOrganizationException`)** | **PASS** |
| Preceding Test Baseline | 247 Passed | **247 / 247 Pre-existing tests remain 100% green** | **PASS** |

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### 2. Stage 5.1 Verification Checklist

- [x] Database migration `2026_09_05_000001_create_bill_of_materials_tables.php` executed cleanly.
- [x] Eloquent models `BillOfMaterials` and `BillOfMaterialsItem` created in `app/Domains/Modules/Production/Models/`.
- [x] Global scopes (`OrganizationScope`, `BusinessUnitScope`) applied to `BillOfMaterials`.
- [x] Cross-organization ingredient and finished-item validation enforced (`CrossOrganizationException`).
- [x] Service layer `BillOfMaterialsService` created in `app/Domains/Modules/Production/Services/`.
- [x] Gate policy `BillOfMaterialsPolicy` registered in `AppServiceProvider`.
- [x] Feature test suite `Phase51BillOfMaterialsTest.php` added with 10 passing tests.
- [x] All 257 tests passing with 519 assertions.
- [x] Pint formatting clean.
- [x] `docs/phase-5.1-pre-implementation-audit.md` generated.
- [x] `docs/phase-5.1-implementation-report.md` generated.
- [x] `docs/phase-5.1-verification-gate.md` generated.
- [x] `docs/CHANGELOG.md` updated.

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### 3. Verification Sign-Off & Stage 5.2 Hard Stop

Stage 5.1 (Production Foundation & Bill of Materials) is **COMPLETE AND FULLY VERIFIED**.

> [!IMPORTANT]
> **HARD STOP**: Do NOT proceed to Stage 5.2 (Production Order & Inventory Assembly Engine) until explicit human authorization is granted.