fix: Fixes agent graph tool calls in fanned out graphs #455

Job	Run time
server-ai-langchain-windows (3.10)	22s
server-ai-linux (3.12)	18s
server-ai-langchain-windows (3.13)	24s
server-ai-windows (3.10)	27s
server-ai-linux (3.10)	21s
server-ai-windows (3.11)	36s
server-ai-openai-linux (3.13)	23s
server-ai-optimization-linux (3.11)	14s
server-ai-windows (3.13)	44s
server-ai-langchain-windows (3.12)	25s
server-ai-optimization-linux (3.10)	10s
server-ai-langchain-linux (3.10)	18s
server-ai-langchain-linux (3.13)	21s
server-ai-langchain-linux (3.12)	1m 59s
server-ai-windows (3.12)	27s
server-ai-linux (3.13)	20s
server-ai-openai-linux (3.10)	24s
server-ai-openai-linux (3.12)	23s
server-ai-linux (3.11)	15s
server-ai-optimization-linux (3.13)	15s
server-ai-langchain-windows (3.11)	21s
server-ai-langchain-linux (3.11)	22s
server-ai-openai-linux (3.11)	26s
server-ai-optimization-windows (3.12)	36s
server-ai-optimization-windows (3.11)	17s
server-ai-optimization-windows (3.10)	27s
server-ai-optimization-linux (3.12)	10s
server-ai-openai-windows (3.10)	23s
server-ai-openai-windows (3.12)	38s
server-ai-openai-windows (3.11)	32s
server-ai-optimization-windows (3.13)	19s
server-ai-openai-windows (3.13)	24s
	14m 1s

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