Made my site AI-citable in one day — the .well-known + JSON-LD + llms.txt playbook

Yesterday I ran a 5-pass AEO/SEO/GEO/AIO audit on the same site, fixed 64 surfaces in one sitting, and watched the composite probe score climb from 70 to 94. This is the dev-tactical playbook of what actually moved the needle, with the exact files and probes. The premise: traditional SEO (links, meta tags, sitemaps) is necessary but no longer sufficient. AI Overview, ChatGPT, Perplexity, and Claude pull from a different surface area — /.well-known/ , llms.txt , agent-card.json , openapi.json , a