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Build # 25380620313

Build Type

push

github

Committed by web-flow

Commit Message

fix(scripts): eliminate stdout pollution in run.cmd polyglot (#145)

cmd.exe echoed the polyglot's first two lines (`#!/bin/sh` and
`# 2>NUL & @goto batch`) to stdout before `@echo off` took effect,
breaking MCP stdio JSON-RPC framing for hosts that spawn run.cmd
via .cmd extension association (Claude Code, Cursor).

Replace the prologue with `:<<"::CMDLITERAL"`: cmd.exe treats it
as a non-echoing label, while sh treats it as a quoted heredoc
that consumes the cmd-only block.

Add a regression test to test_run_cmd_windows.bat that spawns
run.cmd via `cmd /c` and asserts stdout is exactly the run.bat
output — the existing `for /f` test only kept the last stdout
line, masking any prefix pollution.

Refs: #121

Coverage Stats

3526 of 4797 relevant lines covered (73.5%)

599.28 hits per line