716,000 lines of Flutter code rewritten into 1.125 million lines of native code across both platforms: A one-time AI-driven review of millions of lines of architecture migration

A Flutter project containing 716,000 lines of code requires approximately 51 person-years of labor to be migrated and rewritten, based on industry estimates. This project utilized AI technology to complete the migration to a native dual-terminal architecture in less than a year, expanding the code volume to 1.125 million lines.