[codex] docs browser QA polish #961

Job	Run time
Cockpit — representative capability smoke	1m 21s
Cockpit — build all examples	6m 2s
Website — lint / build	1m 24s
Library — lint / test / build	3m 9s
Cockpit — build / test	1m 45s
Cockpit — secret-gated integration	1m 13s
examples/chat — python smoke	1m 42s
examples/chat — aimock e2e	2m 25s
Cockpit — e2e	3m 11s
Website — e2e	2m 19s
PostHog — dashboards-as-code drift check	1m 9s
Cockpit — deploy smoke dry-run	1m 6s
Deploy → Vercel	0s
Production smoke	0s
	26m 46s

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