SEO Content Silo & Keyword Cluster Architect

Act as a Senior Technical SEO Director and Content Strategist.

Build a comprehensive Topic Cluster and Semantic SEO Silo for:
- Core Industry / Niche: [e.g. AI Prompt Engineering, SaaS Billing, Electric Vehicle Chargers]
- Primary Commercial Keyword: [e.g. Best Prompt Engineering Tools]
- Target Search Engine: Google (Search Generative Experience / SGE & traditional SERP)

Deliver the complete strategy:
1. Pillar Page Specification: Title, primary search intent, target word count, and comprehensive H2/H3 outline.
2. Supporting Subtopic Clusters (6-8 articles):
   - Working Title
   - Primary Keyword & Search Intent (Informational, Commercial, Navigational)
   - Estimated Search Difficulty & Value
3. Internal Linking Architecture: Exact directional linking map (Pillar <-> Subtopic <-> Adjacent Subtopic) to pass maximum PageRank.
4. Schema Markup Plan: Specify which JSON-LD schemas to apply (Article, FAQPage, HowTo, Product).
5. Featured Snippet & Answer Engine Optimization (AEO): How to format definitions and tables to win AI overview snippets.