feat: Add ManagedAgentGraph support #390

Job	Run time
server-ai-windows (3.9)	22s
server-ai-langchain-linux (3.9)	21s
server-ai-windows (3.13)	27s
server-ai-windows (3.12)	23s
server-ai-openai-linux (3.11)	18s
server-ai-linux (3.9)	18s
server-ai-langchain-linux (3.13)	18s
server-ai-openai-linux (3.12)	19s
server-ai-langchain-linux (3.12)	20s
server-ai-openai-linux (3.9)	20s
server-ai-langchain-windows (3.9)	48s
server-ai-windows (3.11)	27s
server-ai-openai-linux (3.10)	18s
server-ai-langchain-windows (3.12)	28s
server-ai-openai-windows (3.12)	34s
server-ai-openai-windows (3.11)	23s
server-ai-langchain-windows (3.11)	38s
server-ai-linux (3.10)	17s
server-ai-langchain-linux (3.11)	16s
server-ai-openai-windows (3.13)	40s
server-ai-optimization-windows (3.10)	26s
server-ai-langchain-windows (3.13)	25s
server-ai-openai-windows (3.9)	23s
server-ai-linux (3.12)	21s
server-ai-optimization-windows (3.13)	36s
server-ai-optimization-linux (3.12)	11s
server-ai-langchain-windows (3.10)	25s
server-ai-linux (3.13)	21s
server-ai-openai-windows (3.10)	22s
server-ai-windows (3.10)	30s
server-ai-optimization-linux (3.13)	17s
server-ai-optimization-linux (3.11)	12s
server-ai-optimization-linux (3.9)	15s
server-ai-optimization-windows (3.11)	24s
server-ai-optimization-windows (3.9)	26s
server-ai-optimization-windows (3.12)	19s
server-ai-optimization-linux (3.10)	11s
server-ai-linux (3.11)	16s
server-ai-openai-linux (3.13)	18s
server-ai-langchain-linux (3.10)	20s
	15m 13s

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