docs(streaming): document the unified harness surface #1207

Job	Run time
Detect Changes	4s
Discover Tutorial Agent Images	6s
Run Integration Tests - 00-sync-000-hello-acp	3m 1s
Run Integration Tests - 10-async-00-base-010-multiturn	3m 20s
Run Integration Tests - 10-async-10-temporal-030-custom-activities	2m 34s
Run Integration Tests - 00-sync-010-multiturn	3m 32s
Run Integration Tests - 10-async-10-temporal-010-agent-chat	2m 59s
Run Integration Tests - 10-async-00-base-020-streaming	4m 0s
Run Integration Tests - 10-async-10-temporal-000-hello-acp	2m 47s
Run Integration Tests - 10-async-00-base-080-batch-events	4m 4s
Run Integration Tests - 10-async-10-temporal-080-open-ai-agents-sdk-human-in-the-loop	3m 1s
Run Integration Tests - 10-async-00-base-000-hello-acp	3m 9s
Run Integration Tests - 10-async-10-temporal-020-state-machine	3m 4s
Run Integration Tests - 10-async-00-base-040-other-sdks	5m 6s
Run Integration Tests - 10-async-10-temporal-070-open-ai-agents-sdk-tools	2m 47s
Run Integration Tests - 10-async-10-temporal-050-agent-chat-guardrails	3m 13s
Run Integration Tests - 00-sync-020-streaming	3m 25s
Run Integration Tests - 10-async-00-base-030-tracing	3m 9s
Run Integration Tests - 10-async-10-temporal-090-claude-agents-sdk-mvp	3m 10s
Run Integration Tests - 10-async-10-temporal-060-open-ai-agents-sdk-hello-world	3m 2s
Integration Tests Summary	7s
	59m 40s

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