leadDays seasonTier channelRisk demandPressure

<= 21 "peak" - "high" "STRICT_14D" true "short lead + peak demand" <= 30 "shoulder" "high" - "MODERATE_7D" true "channel risk requires tighter terms" > 30 "low" "low" "normal" "FLEX_48H" false "low-risk low-season demand capture" - - - - "STANDARD_72H" false "balanced default policy"