docs(website): refresh llms.txt for post-publish reality #444

Job	Run time
Library — lint / test / build	1m 21s
Website — e2e	2m 20s
Cockpit — build all examples	4m 51s
Cockpit — build / test	1m 27s
Cockpit — representative capability smoke	1m 2s
Cockpit — e2e	1m 52s
Website — lint / build	1m 58s
Cockpit — deploy smoke dry-run	58s
Chat Agent — smoke	1m 10s
Cockpit — secret-gated integration	1m 6s
Deploy → Vercel	0s
Production smoke	0s
	18m 5s

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