fix(cua-driver-rs): use darwin-universal-binary in install.sh (fixes 403 on macOS)

[ddupont808]

Summary

• The cua-driver-rs/scripts/install.sh was trying to download cua-driver-rs-{v}-darwin-{arch}-binary.tar.gz (e.g. darwin-arm64-binary, darwin-x86_64-binary) which don't exist in any release
• The CD workflow only produces one macOS bare-binary tarball: darwin-universal-binary (arm64 + x86_64 lipo'd together)
• GitHub's CDN returns a 4xx for the missing asset, which users reported as a 403

Fix

Added a case branch in the download section: macOS always fetches darwin-universal-binary; Linux continues to use per-arch bare binaries as before.

case "$LABEL" in
    darwin-*) TARBALL="cua-driver-rs-${VERSION}-darwin-universal-binary.tar.gz" ;;
    *)        TARBALL="cua-driver-rs-${VERSION}-${LABEL}-binary.tar.gz" ;;
esac

Verification

# These exist (302 redirect to S3):
curl -I https://github.com/trycua/cua/releases/download/cua-driver-rs-v0.1.3/cua-driver-rs-0.1.3-darwin-universal-binary.tar.gz

# This did NOT exist (404/403):
curl -I https://github.com/trycua/cua/releases/download/cua-driver-rs-v0.1.3/cua-driver-rs-0.1.3-darwin-arm64-binary.tar.gz

Test plan

• Run install script on macOS arm64: bash libs/cua-driver-rs/scripts/install.sh
• Run install script on macOS x86_64
• Run install script on Linux x86_64 (should be unchanged)

🤖 Generated with Claude Code

Summary by CodeRabbit

Release Notes

• Improvements
  • Updated installer to use universal binary distribution for macOS systems, ensuring consistent installation across all architectures.

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1 Skipped Deployment

Project	Deployment	Actions	Updated (UTC)
docs	Ignored		May 14, 2026 4:06pm

[coderabbitai]

Caution

Review failed

Pull request was closed or merged during review

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Organization UI

Review profile: CHILL

Plan: Pro

Run ID: ed9a54de-d7dc-4eeb-a831-015c8b656cd6

📥 Commits

Reviewing files that changed from the base of the PR and between c173173 and 4dfffc1.

📒 Files selected for processing (1)

• libs/cua-driver-rs/scripts/install.sh

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📝 Walkthrough

Walkthrough

This PR updates the CUA driver installer script to select macOS tarballs differently. Instead of using architecture-specific tarball names for all platforms, it now routes all Darwin builds to a single darwin-universal-binary tarball while preserving per-architecture naming for Linux and other platforms.

Changes

macOS Installer Tarball Handling

Layer / File(s)	Summary
macOS universal binary tarball selection libs/cua-driver-rs/scripts/install.sh	A case statement now maps darwin-* platform labels to the darwin-universal-binary tarball, while non-macOS platforms continue using the existing ${LABEL}-binary naming scheme.

Estimated code review effort

🎯 2 (Simple) | ⏱️ ~8 minutes

Possibly related issues

• trycua/cua#1493: Fixes the installer attempting to download a non-existent darwin-x86_64 asset on Intel macOS by routing all Darwin builds to the universal binary tarball instead.

Possibly related PRs

• trycua/cua#1494: Complements this change by ensuring macOS binaries are built as universal binaries through the CUA_DRIVER_PREBUILT_BINARY mechanism in the build workflow.

Poem

A script that once fumbled Darwin's name,
Now finds the universal prize without shame,
One tarball for all Apple's embrace,
Intel and ARM in a single place! 🐰✨

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title directly references the main change: using darwin-universal-binary in install.sh to fix macOS download issues (403 errors).
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

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✨ Finishing Touches

📝 Generate docstrings

• Create stacked PR
• Commit on current branch

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch fix/cua-driver-rs-install-macos-binary

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[ddupont808]

Closing — this fixes a cua-driver-rs install script bug, not the cua-driver install issue. Will track separately.