When an existing approach is structurally wrong — not just buggy or inelegant but built on the wrong substrate — refactoring incrementally toward the right shape is often slower and more brittle than building the right shape from scratch and switching over. Tag the old work as recoverable, build the
When an existing approach is structurally wrong — not just buggy or inelegant but built on the wrong substrate — refactoring incrementally toward the right shape is often slower and more brittle than building the right shape from scratch and switching over. Tag the old work as recoverable, build the new in parallel, cut over once, delete the old when nothing depends on it. Wave-based replacement,