- sccache silently skips caching when incremental compilation is enabled, making the wrapper a no-op.
- Applied fix to both the shared build-native action and the CI workflow setup step.
- Updated the build-native action to install cargo-zigbuild for non-MSVC targets and cargo-xwin with LLVM tooling for MSVC targets.
- Removed the fixed aarch64 linker variable and narrowed Rust test execution to skip duplicate macOS runs.
- Reworked CI matrices to build win32-x64 artifacts on ubuntu with x86_64-pc-windows-msvc and simplified smoke testing to skip those Windows binaries via matrix gating.
- Updated `rust-hash` to return separate `linux-run-id` and `release-run-id` outputs by checking each prior run for required native artifacts.
- Rewired `native_linux` and `native_release` gating to use those outputs, enabling Linux cache reuse on main and release pre-warm only when all cross-platform artifacts are present.
- Enabled sccache in both the shared native build action and CI setup, and excluded macOS workspace Rust tests from the generic native test step due to duplicated coverage.
- Extracted repeated build steps into a reusable `build-native` composite action.
- Split `native` into `native_linux` (runs on every PR) and `native_release` (tags only).
- Release jobs now always use same-run artifacts, removing cross-run artifact resolution logic.
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