feat(streaming): stream tool call argument deltas in TemporalStreamingModel #1515

Job	Run time
find-tutorials	5s
test-10_async/00_base/010_multiturn	2m 41s
test-00_sync/000_hello_acp	1m 55s
test-00_sync/030_langgraph	3m 9s
test-10_async/00_base/020_streaming	2m 47s
test-10_async/10_temporal/090_claude_agents_sdk_mvp	2m 53s
test-10_async/10_temporal/050_agent_chat_guardrails	2m 8s
test-10_async/00_base/000_hello_acp	1m 55s
test-10_async/10_temporal/060_open_ai_agents_sdk_hello_world	2m 6s
test-10_async/10_temporal/020_state_machine	2m 16s
test-00_sync/020_streaming	2m 34s
test-10_async/10_temporal/000_hello_acp	2m 7s
test-10_async/10_temporal/080_open_ai_agents_sdk_human_in_the_loop	2m 2s
test-10_async/10_temporal/010_agent_chat	6m 29s
test-10_async/00_base/030_tracing	1m 55s
test-00_sync/010_multiturn	3m 4s
test-10_async/00_base/100_langgraph	2m 4s
test-10_async/00_base/080_batch_events	2m 57s
test-10_async/10_temporal/070_open_ai_agents_sdk_tools	2m 10s
test-10_async/00_base/040_other_sdks	4m 19s
test-10_async/10_temporal/030_custom_activities	1m 58s
Test Summary	4s
	53m 38s

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