- Change @main references to @v1 (major version tag)
- Add versioning section explaining tag options:
- @v1 for auto-updates within major version
- @v1.0.0 for pinned versions
- @main for development (not recommended)
Reusable action for Nix CI with caching:
- DeterminateSystems/nix-installer-action for Nix installation
- actions/cache@v4 for Nix store caching
- Cache key based on flake.lock for per-repo isolation