## Table of Contents

1. [Topic Cluster Architecture](#1-topic-cluster-architecture)
2. [Entity-First Content Briefs](#2-entity-first-content-briefs)
3. [AI-Era Discovery (AI Overviews, ChatGPT Search, Perplexity)](#3-ai-era-discovery)
4. [Content Scoring Rubric (0-5 per dimension)](#4-content-scoring-rubric)
5. [Editorial Calendar Operating Model](#5-editorial-calendar-operating-model)
6. [Content Gap Analysis](#6-content-gap-analysis)
7. [Content Repurposing System](#7-content-repurposing-system)
8. [Content Audit & Maintenance](#8-content-audit--maintenance)
9. [Measurement: organic + AI-search](#9-measurement)

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