fix: remove virtual allocation from DeepSeek key takeaways #282

Job	Run time
build_and_unit_test	13m 9s
speculative-decoding	8m 37s
ssd-draft-memory-guard	1m 27s
integration_matrix (opencode)	3m 44s
integration_matrix (omni)	2m 54s
integration_matrix (server)	1m 51s
integration_matrix (audio)	2m 25s
integration_matrix (graph)	1m 5s
speculative-decoding-eval	7m 58s
integration_matrix (vision)	2m 2s
	45m 12s

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