[AGX1-98] Migrate default ports to non-standard values and centralize port config #940

Job	Run time
find-tutorials	3s
test-00_sync/000_hello_acp	2m 14s
test-10_async/10_temporal/090_claude_agents_sdk_mvp	2m 11s
test-10_async/00_base/080_batch_events	3m 23s
test-10_async/00_base/100_langgraph	2m 30s
test-00_sync/030_langgraph	3m 37s
test-10_async/00_base/040_other_sdks	4m 4s
test-10_async/00_base/010_multiturn	2m 33s
test-10_async/10_temporal/060_open_ai_agents_sdk_hello_world	2m 31s
test-10_async/10_temporal/020_state_machine	2m 42s
test-10_async/10_temporal/070_open_ai_agents_sdk_tools	2m 20s
test-10_async/10_temporal/050_agent_chat_guardrails	2m 20s
test-10_async/10_temporal/000_hello_acp	2m 26s
test-10_async/00_base/030_tracing	2m 13s
test-10_async/00_base/000_hello_acp	2m 22s
test-10_async/10_temporal/080_open_ai_agents_sdk_human_in_the_loop	2m 14s
test-10_async/00_base/020_streaming	2m 12s
test-10_async/10_temporal/010_agent_chat	3m 34s
test-00_sync/010_multiturn	3m 10s
test-00_sync/020_streaming	2m 55s
test-10_async/10_temporal/030_custom_activities	2m 21s
Test Summary	5s
	54m 0s

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