[wip]feat: add interrupt support to chat runtime #2308

Job	Run time
discover-testcases	6s
apicalls-testcase / staging	49s
calculator-evals / cloud	1m 23s
calculator-crash-evals / staging	1m 9s
basic-testcase / alpha	29s
apicalls-testcase / cloud	54s
basic-testcase / staging	36s
tools-evals / alpha	1m 18s
calculator-evals / alpha	1m 15s
langchain-cross / staging	49s
langchain-cross / alpha	47s
basic-testcase / cloud	39s
calculator-crash-evals / alpha	1m 9s
langchain-cross / cloud	47s
tools-evals / staging	1m 16s
tools-evals / cloud	1m 20s
apicalls-testcase / alpha	52s
calculator-evals / staging	1m 15s
calculator-crash-evals / cloud	1m 14s
summarize-results	2s
	18m 9s

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