feat: Introduce ManagedAgent and AgentRunner implementations #393

Job	Run time
server-ai-openai-linux (3.12)	17s
server-ai-windows (3.10)	33s
server-ai-windows (3.9)	21s
server-ai-openai-linux (3.13)	21s
server-ai-linux (3.12)	17s
server-ai-linux (3.11)	17s
server-ai-openai-linux (3.11)	19s
server-ai-langchain-linux (3.10)	22s
server-ai-openai-linux (3.10)	18s
server-ai-windows (3.11)	30s
server-ai-langchain-windows (3.12)	31s
server-ai-linux (3.13)	19s
server-ai-openai-linux (3.9)	23s
server-ai-linux (3.9)	15s
server-ai-windows (3.12)	24s
server-ai-langchain-linux (3.9)	18s
server-ai-optimization-linux (3.11)	13s
server-ai-langchain-windows (3.9)	45s
server-ai-optimization-windows (3.9)	21s
server-ai-langchain-linux (3.13)	19s
server-ai-langchain-windows (3.13)	35s
server-ai-optimization-linux (3.9)	11s
server-ai-langchain-linux (3.12)	18s
server-ai-optimization-linux (3.10)	14s
server-ai-langchain-windows (3.11)	33s
server-ai-langchain-linux (3.11)	22s
server-ai-langchain-windows (3.10)	27s
server-ai-openai-windows (3.9)	24s
server-ai-optimization-linux (3.13)	15s
server-ai-optimization-windows (3.13)	21s
server-ai-linux (3.10)	16s
server-ai-openai-windows (3.13)	32s
server-ai-optimization-windows (3.10)	19s
server-ai-windows (3.13)	31s
server-ai-openai-windows (3.10)	22s
server-ai-optimization-windows (3.11)	16s
server-ai-optimization-linux (3.12)	10s
server-ai-openai-windows (3.12)	21s
server-ai-openai-windows (3.11)	33s
server-ai-optimization-windows (3.12)	18s
	14m 41s

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