📄️ 1. Overview
Phase 3 builds the Entitlement Engine — the layer that turns a paid invoice (or a free credit
📄️ 2. Walkthrough
This page tells the Entitlement Engine as a story: one company, one purchase, one ad campaign,
📄️ 3. Model Specifications
This section documents the six models that make up the Entitlement Engine — two already
📄️ 4. Use Cases
This document is the authoritative version of Phase 3's use cases. UC-1 through UC-4 were
📄️ 5. Design Plan
Written 2026-08-06, following the /system-design workflow
📄️ 6. Main Branch Alignment (2026-08-18)
While this branch (billing-integration-phase-3-entitlement-engine-docs) was in progress, main