I start legacy work by looking for the first boundary I can change without touching the whole system. That means I do not begin with a full rewrite plan. I begin with one place where the old system blocks a real task, like a report, an export, or a manual step that takes too long. The key rule I follow is simple. I keep the source of truth in place until I can prove the new path gi... https://mooreiq.ai/blog/legacy-system-modernization-services