Legacy Modernization Expert guidance for safe, incremental modernization of legacy systems, frameworks, and dependencies using proven migration patterns and risk mitigation strategies. When to Use This Skill - Planning framework migrations (jQuery to React, Java 8 to 17, Python 2 to 3) - Decomposing monoliths into microservices or modular architectures - Modernizing databases (stored procedures to ORMs, schema migrations) - Reducing technical debt with a phased, low-risk approach - Updating outdated dependencies with backward compatibility concerns - Establishing test coverage for untested le…