Library Helpers

metaBuilder tool-env lib: typed bundle of `ToolSpec` records describing a tool environment. The typed list is the API — shell-script glue (binPath strings,...

metaBuilder toolchain lib: typed hint-based implementation selection and toolchain matrix construction.

metaBuilder passthru lib: typed language-tagged package metadata. PassthruSpec carries `langName`, `baseName`, `baseDeps`, and an open `extensions` attrset; ...

metaBuilder bundled lib: typed descriptor for system-bundled packages provided by a language implementation. The constructor tag itself is the bundled-vs-cus...

metaBuilder dashboard lib: typed lock-metrics and workspace-summary interfaces for cross-language build dashboards.

Opt a reproducible derivation into floating content-addressing (drv -> drv). Output path keyed by realised content; enables early-cutoff and cross-machine re...