Format Rust workspace and enforce rustfmt in CI

.github/workflows/build.yml

@@ -11,8 +11,25 @@ on:
     branches: [main]
 
 jobs:
+  format:
+    runs-on: windows-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: dtolnay/rust-toolchain@stable
+        with:
+          components: rustfmt
+      - name: Check Rust formatting
+        shell: pwsh
+        run: |
+          cargo fmt --all -- --check
+          if ($LASTEXITCODE -ne 0) {
+            Write-Error "Rust formatting failed. Run 'cargo fmt --all' and commit the changes."
+            exit 1
+          }
+
   # Tests
   test:
+    needs: format
     runs-on: windows-latest
     steps:
       - uses: actions/checkout@v4

CONTRIBUTING.md

@@ -64,7 +64,7 @@ or re-check an existing report tree without rerunning tests via `-ValidateOnly`.
 ### Code Style
 
 - Run `cargo clippy` before submitting PRs
-- Run `cargo fmt` to format code
+- Run `cargo fmt --all` to format code; CI enforces `cargo fmt --all -- --check`
 - Follow standard Rust conventions
 
 ## Filing Issues

benchmarks/js/static-rust/build.rs

@@ -2,7 +2,7 @@
 // Licensed under the MIT License.
 
 fn main() {
-  // Link against node.lib so N-API symbols resolve at load time.
-  // node-gyp puts node.lib in the node-gyp cache; napi-build finds it.
-  napi_build::setup();
+    // Link against node.lib so N-API symbols resolve at load time.
+    // node-gyp puts node.lib in the node-gyp cache; napi-build finds it.
+    napi_build::setup();
 }