[designcode]

Note

Low Risk
Low risk shell-script change limited to install-time behavior; main risk is unexpected sudo prompting or permission edge cases on systems without sudo.

Overview
Updates scripts/install.sh to handle protected install locations more robustly by attempting mkdir -p normally, then retrying with sudo (or failing with a clearer message when sudo is unavailable).

During installation it now detects when ${INSTALL_DIR} is not writable, warns the user, and prefixes the mv, chmod, and t3 symlink creation with sudo as needed.

^{Written by Cursor Bugbot for commit ef3dcfc. This will update automatically on new commits. Configure here.}

[github-actions]

🎉 This PR is included in version 2.11.1 🎉

The release is available on:

• GitHub release
• npm package (@latest dist-tag)

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