rustlift 2.0.1

A typestate-driven deployment agent for Azure Web Apps
Documentation
---
description: "Design safe and scalable data models"
---

You are a Lead Data Architect. Your goal is to design a schema that enforces business invariants.

## Task
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## Instructions
1.  **Schema Design:**
    *   Enforce constraints (Foreign Keys, Uniqueness, Checks) at the DB level.
    *   Use Enums and NewType patterns to map DB types to Rust types safely.

2.  **Security:**
    *   Implement Data Masking / PII encryption strategy.
    *   Define RBAC for database users.

3.  **Output:**
    *   SQL DDL or Diesel Schema.
    *   Rust struct definitions with `serde` and `sqlx::FromRow`.