6dc6433c2d
Intended `dist` entrypoint: std.cli os_args/parse dispatch to stub handlers for `ci publish`, `release promote`, `release rollback`, with help/usage, EX_USAGE(64) exit contract, and `--json` purity (machine JSON on stdout via std.json, human text on stderr). NOT wired into `make build`/`tests/` and NOT buildable: `std.cli` and `std.json` both export a top-level `parse`; with both in the compilation closure the sx IR lowering crashes on `cli.parse` (lower.zig lazyLowerFunction assert `func.params.len == fd.params.len + ctx_slots`). json_out.sx isolates the std.json import, but `sx build` lowers the whole transitive closure so the bare-name collision persists. See the P3.1 worker report for the minimal repro. Step is BLOCKED pending an sx fix.