fix(agent): filter SDK metadata from messages/partial events (#102) #330

Job	Run time
Cockpit — representative capability smoke	1m 19s
Library — lint / test / build	1m 26s
Chat Agent — smoke	1m 10s
Cockpit — build all examples	4m 45s
Website — lint / build	1m 44s
Cockpit — build / test	1m 34s
Cockpit — secret-gated integration	1m 8s
Cockpit — deploy smoke dry-run	1m 3s
Website — e2e	2m 16s
Cockpit — e2e	1m 59s
Deploy → Vercel	1m 35s
Production smoke	2m 44s
	22m 43s

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