Ctrl+C breaks the terminal on Windows for commands delegated through package managers

[sunfkny]

Describe the bug

This is related to #1176, but the fix does not apply to commands executed via the package manager

Reproduction

https://github.com/sunfkny/vite-project

Steps to reproduce

Run vp dlx serve, vp update, vp add vue, vp remove vue or any other command that is delegated through the package manager
Press Ctrl+C once to stop the process.

The terminal may enter a broken state (same symptoms as #1176).

System Info

PS C:\Code\vite-project> vp env current
VITE+ - The Unified Toolchain for the Web

Environment:
  Version  24.15.0
  Source   lts

Tool Paths:
  node  C:\Users\root\.vite-plus\js_runtime\node\24.15.0\node.exe
  npm   C:\Users\root\.vite-plus\js_runtime\node\24.15.0\npm.cmd
  npx   C:\Users\root\.vite-plus\js_runtime\node\24.15.0\npx.cmd
PS C:\Code\vite-project> vp --version
VITE+ - The Unified Toolchain for the Web

vp v0.1.19

Local vite-plus:
  vite-plus  v0.1.19

Tools:
  vite             v8.0.8
  rolldown         v1.0.0-rc.16
  vitest           v4.1.4
  oxfmt            v0.45.0
  oxlint           v1.60.0
  oxlint-tsgolint  v0.21.1
  tsdown           v0.21.9

Environment:
  Package manager  pnpm v10.32.1
  Node.js          v24.15.0
PS C:\Code\vite-project>

Used Package Manager

pnpm

Logs

Validations

• Read the Contributing Guidelines.
• Check that there isn't already an issue for the same bug.
• Confirm this is a Vite+ issue and not an upstream issue (Vite, Vitest, tsdown, Rolldown, or Oxc).
• The provided reproduction is a minimal reproducible example.

[fengmk2]

It seems a refactoring is needed to replace all cmd script calls with ps1 scripts where possible.