feat(chat): progressive per-component GenUI rendering (PR B) #803

Job	Run time
Cockpit — build / test	1m 40s
Cockpit — representative capability smoke	1m 23s
Cockpit — deploy smoke dry-run	1m 0s
Website — e2e	2m 25s
examples/chat — python smoke	1m 24s
Library — lint / test / build	1m 20s
Cockpit — build all examples	5m 27s
Cockpit — secret-gated integration	1m 14s
Website — lint / build	1m 15s
Cockpit — e2e	2m 24s
Deploy → Vercel	-1s
Production smoke	0s
	19m 31s

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