Reads the inbound MLS Lifetime (Lifetime) from a kind 30443
event's decoded KeyPackage leaf node (WIRE-01 inbound read). Returns
undefined when the event cannot be decoded as a KeyPackage — never
throws, matching the project's typed-reject convention for boundary
readers (D-08).
Reads the inbound MLS
Lifetime(Lifetime) from a kind 30443 event's decoded KeyPackage leaf node (WIRE-01 inbound read). Returnsundefinedwhen the event cannot be decoded as a KeyPackage — never throws, matching the project's typed-reject convention for boundary readers (D-08).