upgrade-flake

Update flake.lock to get latest packages within the current NixOS release - runs nix flake update, checks build, and optionally applies

$ Installieren

git clone https://github.com/richardgill/nix /tmp/nix && cp -r /tmp/nix/.claude/skills/upgrade-flake ~/.claude/skills/nix

// tip: Run this command in your terminal to install the skill