llms.txt + llms-full.txt land on the ai-labs splash — the convention is now fully met
Two endpoint files, three markdown templates, one small provenance helper, and a `<link rel="alternate" type="text/markdown">` in BaseLayout — agentic crawlers can now ingest the entire pseudomonorepo (parent + three children, 11 changelog entries, 29 context-v notes) in one fetch instead of crawling 44 HTML pages.