This skill should be used when the user says "infra help", "arn infra help", "where am I in the pipeline", "what's next for infra", "infra status", "pipeline status", "infra pipeline", "arn-infra-help", "show infra pipeline", "what step am I on for infra", "infra workflow", "infrastructure status", "show infrastructure pipeline", or wants to see their current position in the Arness Infra workflow and get guidance on the next step. This skill detects whether the user is in Quick (interactive) mode or Full Pipeline mode and renders an ASCII diagram with the active stage marked.