[codex] Polish landing page positioning and proof #918

Job	Run time
Cockpit — representative capability smoke	1m 37s
Cockpit — secret-gated integration	1m 15s
Website — lint / build	2m 5s
Cockpit — build all examples	5m 16s
Cockpit — build / test	1m 29s
examples/chat — aimock e2e	2m 35s
Cockpit — e2e	2m 30s
Cockpit — deploy smoke dry-run	1m 20s
Library — lint / test / build	3m 29s
examples/chat — python smoke	1m 25s
Website — e2e	2m 6s
PostHog — dashboards-as-code drift check	1m 10s
Deploy → Vercel	0s
Production smoke	-1s
	26m 16s

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