ci: expand Library job to cover all 7 publishable libs #463

Job	Run time
Cockpit — representative capability smoke	1m 13s
Cockpit — build / test	1m 19s
Cockpit — build all examples	3m 57s
Cockpit — deploy smoke dry-run	1m 3s
Chat Agent — smoke	1m 8s
Library — lint / test / build	2m 7s
Cockpit — secret-gated integration	1m 2s
Website — lint / build	1m 54s
Website — e2e	2m 20s
Cockpit — e2e	1m 51s
Deploy → Vercel	0s
Production smoke	0s
	17m 54s

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