# TANRAIL ONE — Phase 3.2.3 Security Gate

## VERDICT: PASS

### Justification
The Core Sales Engine underwent aggressive adversarial testing during the Phase 3.2.3 Independent Security Audit.

- **Vulnerabilities Found**: 1 HIGH (Mass-Assignment of Order Status/Totals).
- **Vulnerabilities Remediated**: 1.
- **Remaining Blockers**: 0.

The implementation successfully:
1. Enforces strict Business Unit isolation through Global Scopes and Service assertions.
2. Protects historical integrity through Event-based pessimistic locking and Model Observers.
3. Completely abstracts business-specific operations away from the Core transaction ledger.

### Regression Metrics
- **Tests**: 73
- **Assertions**: 116
- **Failures / Errors**: 0

### Authorization
The Phase 3.2.3 Core Sales Engine is declared secure, business-agnostic, and operationally sound. 

**Development on Phase 3.2.3 is permanently STOPPED.**

Awaiting human authorization to proceed to the next phase of the TANRAIL ONE platform.