feat: generative UI views system — views() API + chat integration + planning example #219

Job	Run time
Cockpit — representative capability smoke	1m 7s
Cockpit — e2e	1m 34s
Chat Agent — smoke	1m 21s
Cockpit — build all examples	2m 51s
Website — lint / build	1m 43s
Website — e2e	1m 49s
MCP — build / smoke	1m 9s
Library — lint / test / build	1m 23s
Cockpit — deploy smoke dry-run	1m 3s
Cockpit — secret-gated integration	1m 5s
Cockpit — build / test	1m 19s
Deploy → Vercel	0s
Production smoke	0s
	16m 24s

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