Cargo CLI — Content Workspace files : upload and organize them (PDFs, CSVs, text) and group or sync them into libraries — the knowledge resources that ground agent responses (retrieval-augmented generation, RAG). Files are also plain storage : write one at a path, read it back, list a folder, and hand out a link, from the CLI, the HTTP objects API, a hosted worker, a workflow node, or an agent — see Files as storage. New top-level domain (CLI ≥ 1.0.19). Files and libraries moved out of the domain into the domain — and . The old commands no longer exist; an error means you're on the old path.…