unjs/unbuild

#1 — resolve import issues cluster

#2 — build optimization and dependencies cluster

#3 — undefined support collection cluster

#4 — mkdist enhancements cluster

#5 — undefined behavior in typescript build process cluster

#6 — mkdist optimization and testing cluster

#7 — types and exports inconsistency cluster

#8 — bundle dependency stubbing cluster

#9 — build failures and configuration issues cluster