Add EPYC CPU serving skill (vLLM + zentorch) #158

Job	Run time
Validate plugin manifests	8s
Discover skills	10s
Validate skill (serving-llms-on-instinct)	9s
Validate skill (local-ai-use)	7s
Validate skill (local-ai-app-integration)	9s
Validate skill (magpie-kernel-evaluator)	9s
Validate skill (tracelens-analysis-orchestrator)	9s
Validate skill (serving-llms-on-epyc)	8s
Validate skills and plugin manifests	3s
	1m 12s

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