core.shell — typed shell scripting
Verum's shell-scripting framework — sh#"..." tagged literals, typed Pipeline / Transducer, GitCmd / DockerCmd DSLs, CBGR-managed FDs, permission-typed shell context.
core.cli — declarative CLI framework
Build command-line tools the Verum way: typed argument protocols (FromArg / ValueEnum), fluent App.new builder, combinator-based parser, did-you-mean diagnostics, sysexits-aligned exit codes, and (Phase 1) declarative @command derive.