feat(chat): A2UI surface store per-component readiness (PR A) (#295) #797

Job	Run time
Cockpit — deploy smoke dry-run	1m 29s
Library — lint / test / build	3m 17s
Cockpit — representative capability smoke	1m 37s
Cockpit — build / test	1m 49s
Website — lint / build	2m 6s
Cockpit — secret-gated integration	1m 34s
Cockpit — build all examples	5m 30s
examples/chat — python smoke	1m 46s
Cockpit — e2e	2m 22s
Website — e2e	2m 39s
Deploy → Vercel	20m 11s
Production smoke	7m 34s
	51m 54s

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