feat: Update OpenAI runners to implement Runner protocol returning RunnerResult #596

Job	Run time
server-ai-openai-linux (3.14)	27s
server-ai-optimization-linux (3.12)	13s
server-ai-linux (3.13)	17s
server-ai-openai-windows (3.13)	14s
server-ai-openai-windows (3.14)	30s
server-ai-openai-linux (3.12)	26s
server-ai-optimization-windows (3.11)	28s
server-ai-langchain-linux (3.10)	20s
server-ai-optimization-windows (3.14)	24s
server-ai-langchain-linux (3.12)	20s
server-ai-openai-linux (3.11)	23s
server-ai-langchain-linux (3.13)	24s
server-ai-optimization-windows (3.13)	26s
server-ai-linux (3.14)	18s
server-ai-openai-linux (3.10)	24s
server-ai-optimization-windows (3.10)	25s
server-ai-langchain-windows (3.13)	31s
server-ai-windows (3.10)	22s
server-ai-openai-linux (3.13)	23s
server-ai-windows (3.11)	23s
server-ai-openai-windows (3.12)	39s
server-ai-langchain-windows (3.14)	45s
server-ai-windows (3.12)	26s
server-ai-langchain-windows (3.10)	34s
server-ai-openai-windows (3.10)	37s
server-ai-langchain-windows (3.11)	45s
server-ai-langchain-windows (3.12)	35s
server-ai-linux (3.10)	16s
server-ai-windows (3.14)	41s
server-ai-optimization-linux (3.13)	12s
server-ai-optimization-linux (3.11)	14s
server-ai-linux (3.11)	16s
server-ai-optimization-windows (3.12)	21s
server-ai-linux (3.12)	19s
server-ai-optimization-linux (3.14)	12s
server-ai-langchain-linux (3.14)	25s
server-ai-windows (3.13)	26s
server-ai-optimization-linux (3.10)	11s
server-ai-langchain-linux (3.11)	23s
server-ai-openai-windows (3.11)	26s
	16m 21s

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