chore: fix sampled field semantics on JudgeResult #480

Job	Run time
server-ai-langchain-linux (3.11)	20s
server-ai-langchain-linux (3.12)	20s
server-ai-langchain-linux (3.10)	21s
server-ai-openai-windows (3.14)	27s
server-ai-openai-windows (3.11)	33s
server-ai-windows (3.12)	33s
server-ai-windows (3.10)	22s
server-ai-windows (3.13)	28s
server-ai-linux (3.10)	20s
server-ai-linux (3.12)	20s
server-ai-windows (3.11)	30s
server-ai-optimization-windows (3.13)	18s
server-ai-openai-windows (3.12)	43s
server-ai-optimization-windows (3.12)	36s
server-ai-langchain-linux (3.14)	20s
server-ai-langchain-windows (3.11)	23s
server-ai-langchain-windows (3.14)	24s
server-ai-openai-windows (3.10)	26s
server-ai-langchain-linux (3.13)	21s
server-ai-optimization-linux (3.13)	11s
server-ai-openai-windows (3.13)	22s
server-ai-langchain-windows (3.13)	41s
server-ai-openai-linux (3.13)	24s
server-ai-optimization-windows (3.11)	26s
server-ai-langchain-windows (3.12)	31s
server-ai-windows (3.14)	44s
server-ai-linux (3.11)	18s
server-ai-langchain-windows (3.10)	23s
server-ai-openai-linux (3.10)	25s
server-ai-openai-linux (3.11)	31s
server-ai-linux (3.13)	18s
server-ai-optimization-windows (3.10)	21s
server-ai-optimization-linux (3.12)	9s
server-ai-linux (3.14)	21s
server-ai-optimization-linux (3.14)	12s
server-ai-openai-linux (3.14)	29s
server-ai-optimization-windows (3.14)	18s
server-ai-openai-linux (3.12)	26s
server-ai-optimization-linux (3.11)	16s
server-ai-optimization-linux (3.10)	15s
	16m 6s

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