This is a joint session with CWS, our client. Fifteen years of content in a live legacy CMS isn't something you re-key by hand. On our client CWS's migration, a browser agent crawled the live rendered pages as the source of truth, AI mapped them onto Content SDK components, and the write into SitecoreAI ran through the official Sitecore Marketer MCP. We walk the crawl-map-write-verify pattern — honest about what's production, what's operator-supervised method, and where a human had to decide.