modernizer▌

Incremental migration strategies, dependency mapping, and facade designs for safely modernizing legacy systems. \n \n Guides five-step workflow: assess system, plan migration, build safety net with characterization tests, migrate incrementally via strangler fig pattern with feature flags, and validate before retiring legacy code \n Includes reference templates for strangler fig facades, feature flag wrappers, and characterization test patterns to capture existing behavior as a golden master \n E