[codex] Add server-side Composio managed auth #6748

Job	Run time
build-and-check	2m 48s
test-integration-packages/internal	1m 4s
test-integration-packages/billing	1m 3s
test-integration-web	43s
test-integration-sdk	1m 29s
test-integration-packages/agent-runtime	43s
test-integration-cli	54s
test-integration-common	43s
test-web	1m 11s
test-sdk	59s
test-packages/agent-runtime	50s
test-common	45s
test-packages/billing	53s
test-cli	51s
test-.agents	39s
test-packages/internal	44s
	16m 19s

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