fix(chat): fix runtime errors + ViewEncapsulation breaking theme #162

Job	Run time
Cockpit — e2e	1m 56s
Chat Agent — smoke	58s
Cockpit — representative capability smoke	57s
Cockpit — build all examples	2m 33s
Cockpit — build / test	1m 10s
MCP — build / smoke	55s
Library — lint / test / build	1m 7s
Website — e2e	2m 7s
Cockpit — deploy smoke dry-run	1m 1s
Cockpit — secret-gated integration	56s
Website — lint / build	1m 26s
Deploy → Vercel	0s
Production smoke	-1s
	15m 5s

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