Dependency Management Third-party dependencies are simultaneously the most powerful and most dangerous part of modern software. A single mismanaged dependency caused log4shell. Left-pad took down thousands of builds in 11 minutes. Supply chain attacks through dependency confusion hit major enterprises. This skill covers the full lifecycle: choosing, pinning, auditing, updating, and removing dependencies with production discipline. When to Use Use for : - Deciding whether to add a new dependency - Version pinning strategy (exact vs range vs lockfile-only) - Setting up automated update workflow…