feat: citations + sync all @ngaf to 0.0.21 #545

Job	Run time
Cockpit — secret-gated integration	1m 32s
Website — e2e	2m 34s
Cockpit — e2e	2m 18s
Cockpit — build all examples	5m 0s
Cockpit — build / test	2m 5s
Chat Agent — smoke	1m 44s
Cockpit — deploy smoke dry-run	1m 35s
Website — lint / build	2m 6s
Cockpit — representative capability smoke	1m 39s
Library — lint / test / build	1m 47s
Deploy → Vercel	0s
Production smoke	0s
	22m 20s

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