Fix Windows agent harness links in postinstall#304392
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Pull request overview
Updates the build/npm/postinstall.ts script to make the .claude/ agent harness links more reliable on Windows, avoiding EPERM failures when symlink creation isn’t permitted.
Changes:
- Added
ensureAgentHarnessLinkhelper to create links with platform-appropriate behavior. - On Windows, creates a junction for the
.claude/skillsdirectory link. - On Windows, falls back to a hard link for
.claude/CLAUDE.mdwhen file symlink creation is denied.
Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
lszomoru
approved these changes
Mar 24, 2026
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Thanks for fixing this 🙏 |
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Postinstall was creating a plain file symlink for
.claude/CLAUDE.md, which can fail on Windows withEPERMunless Developer Mode or elevated privileges are available. This keeps the existing link behavior where supported, uses a junction for the directory link on Windows, and falls back to a hard link for the file when symlink creation is denied.CC @TylerLeonhardt