feat: Update OpenAI runners to implement Runner protocol returning RunnerResult #604

Job	Run time
server-ai-openai-linux (3.12)	26s
server-ai-openai-linux (3.11)	24s
server-ai-langchain-linux (3.10)	20s
server-ai-openai-linux (3.14)	28s
server-ai-windows (3.11)	21s
server-ai-windows (3.12)	30s
server-ai-langchain-linux (3.11)	21s
server-ai-langchain-linux (3.13)	18s
server-ai-langchain-linux (3.12)	21s
server-ai-windows (3.10)	21s
server-ai-langchain-linux (3.14)	20s
server-ai-openai-linux (3.13)	24s
server-ai-windows (3.14)	31s
server-ai-openai-linux (3.10)	28s
server-ai-langchain-windows (3.10)	27s
server-ai-langchain-windows (3.11)	25s
server-ai-windows (3.13)	20s
server-ai-openai-windows (3.13)	26s
server-ai-linux (3.10)	19s
server-ai-langchain-windows (3.14)	33s
server-ai-optimization-linux (3.13)	14s
server-ai-linux (3.12)	19s
server-ai-linux (3.13)	19s
server-ai-langchain-windows (3.12)	30s
server-ai-linux (3.14)	16s
server-ai-openai-windows (3.11)	32s
server-ai-optimization-linux (3.11)	14s
server-ai-openai-windows (3.12)	28s
server-ai-linux (3.11)	18s
server-ai-openai-windows (3.14)	25s
server-ai-optimization-linux (3.10)	11s
server-ai-langchain-windows (3.13)	33s
server-ai-optimization-linux (3.12)	13s
server-ai-openai-windows (3.10)	22s
server-ai-optimization-windows (3.11)	33s
server-ai-optimization-linux (3.14)	11s
server-ai-optimization-windows (3.10)	33s
server-ai-optimization-windows (3.13)	30s
server-ai-optimization-windows (3.14)	18s
server-ai-optimization-windows (3.12)	20s
	15m 22s

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