test(examples-chat): regression coverage for GenUI emit coalescing (P… #802

Job	Run time
Library — lint / test / build	3m 16s
Cockpit — build / test	1m 40s
Cockpit — e2e	2m 34s
examples/chat — python smoke	1m 14s
Cockpit — secret-gated integration	1m 13s
Cockpit — representative capability smoke	1m 6s
Cockpit — build all examples	4m 56s
Website — lint / build	1m 51s
Cockpit — deploy smoke dry-run	1m 4s
Website — e2e	2m 26s
Deploy → Vercel	1m 34s
Production smoke	2m 49s
	25m 43s

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