Hide agent opus and publish from slash commands #5695

Job	Run time
build-and-check	2m 55s
test-integration-packages/billing	1m 2s
test-integration-packages/agent-runtime	38s
test-integration-common	40s
test-packages/internal	47s
test-integration-cli	42s
test-integration-web	40s
test-packages/billing	47s
test-integration-packages/internal	1m 16s
test-sdk	46s
test-web	38s
test-packages/agent-runtime	48s
test-common	44s
test-cli	54s
test-integration-sdk	47s
test-.agents	42s
	14m 46s

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