Build App / compute-version (pull_request) Successful in 4s
Build Container / build-container (pull_request) Successful in 30s
Build App / build-linux (pull_request) Successful in 5m24s
Build App / build-windows (pull_request) Failing after 15m29s
Build App / build-macos (pull_request) Successful in 2m24s
Build App / create-tag (pull_request) Skipped
Build App / sync-to-github (pull_request) Skipped
build-windows failed on this PR with "linker `link.exe` not found", while build-linux and build-container passed — the code was fine, the runner environment was not. The job installs Rust and Node conditionally but assumed the MSVC C++ toolchain was hand-provisioned. A runner without it registers normally, advertises windows-latest, accepts the job, downloads the entire crate graph and only then fails at link time. That also means a bare runner coming online turns a job that would have queued for a capable machine into a failed build. Installs the VC++ workload when vswhere cannot find it, matching the existing conditional Rust and Node steps. rustc locates MSVC through vswhere and the registry rather than PATH, so no dev-shell activation is needed. Installer exit 3010 (success, reboot pending) is treated as success. Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>