Symlinking on Windows does not work

[KTrain5169]

Describe the bug

I was testing Vite+ today, tried scaffolding a monorepo and Vite+ threw an exception regarding symlinking agent instruction files, logs below

Reproduction

https://discord.com/channels/1475973262193459293/1479410337223802951/1482267720924790966 🤷 sorry

Steps to reproduce

Pre-requisite: Be on Windows

1. Run vp create
2. Choose any template and any package manager
3. Choose 2 or more coding agents in the "What coding agents do you use?" step
4. Go through the rest of the setup with whatever you want
5. EPERM: operation not permitted, symlink '..\AGENTS.md' -> [...]

System Info

PS C:\Users\KT\git\KTrain5169\vite-plus-testing> vp env current  
error: Command 'env' not found
PS C:\Users\KT\git\KTrain5169\vite-plus-testing> vp --version
VITE+ - The Unified Toolchain for the Web

vp v0.1.11

Local vite-plus:
  vite-plus  Not found

Used Package Manager

pnpm

Logs

PS C:\Users\KT\git\KTrain5169> vp create
VITE+ - The Unified Toolchain for the Web

  Vite+ Monorepo

◇ Package name:
  vite-plus-testing

◇ Which package manager would you like to use?
  pnpm

◇ Which agents are you using?
  ChatGPT (Codex), GitHub Copilot, Cursor

◇ Which editor are you using?
  VSCode

◇ Set up pre-commit hooks to run formatting, linting, and type checking with auto-fixes?
  No

◐  Creating monorepo (7s)
Please manually merge vite-plus-testing/packages/utils/tsdown.config.ts into vite-plus-testing/packages/utils/vite.config.ts, see https://viteplus.dev/migration/#tsdown

EPERM: operation not permitted, symlink '..\AGENTS.md' -> 'C:\Users\KT\git\KTrain5169\vite-plus-testing\.github\copilot-instructions.md'
Error: EPERM: operation not permitted, symlink '..\AGENTS.md' -> 'C:\Users\KT\git\KTrain5169\vite-plus-testing\.github\copilot-instructions.md'
    at async Object.symlink (node:internal/fs/promises:999:10)
    at async tryLinkTargetToAgents (file:///C:/Users/KT/AppData/Local/pnpm/global/5/.pnpm/vite-plus@0.1.11_@types+nod_bb8f334bcbb5c478680efe19a7c3f07d/node_modules/vite-plus/dist/global/agent-BinmPKap.js:2155:2)
    at async writeAgentInstructions (file:///C:/Users/KT/AppData/Local/pnpm/global/5/.pnpm/vite-plus@0.1.11_@types+nod_bb8f334bcbb5c478680efe19a7c3f07d/node_modules/vite-plus/dist/global/agent-BinmPKap.js:2075:8)
    at async main (file:///C:/Users/KT/AppData/Local/pnpm/global/5/.pnpm/vite-plus@0.1.11_@types+nod_bb8f334bcbb5c478680efe19a7c3f07d/node_modules/vite-plus/dist/global/create.js:4081:3) {
  errno: -4048,
  code: 'EPERM',
  syscall: 'symlink',
  path: '..\\AGENTS.md',
  dest: 'C:\\Users\\KT\\git\\KTrain5169\\vite-plus-testing\\.github\\copilot-instructions.md'
}
Failed to generate code: EPERM: operation not permitted, symlink '..\AGENTS.md' -> 'C:\Users\KT\git\KTrain5169\vite-plus-testing\.github\copilot-instructions.md'

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]

fixed in #931