Split Windows CI native and wasm/web jobs

.github/workflows/ci_windows.yml

@@ -6,25 +6,25 @@ on:
   workflow_dispatch: {}
 
 jobs:
+  # Native MSVC path (library, examples, Python, JNI, …). Excludes //wasm and
+  # //web so emsdk does not dominate this job's wall clock.
   build_and_test:
     runs-on: windows-latest
     timeout-minutes: 20
     steps:
-      # Checkout the repository
       - name: Checkout repository
         uses: actions/checkout@v6
 
-      # Install Bazelisk (recommended Bazel launcher)
       - name: Setup Bazelisk
         uses: ./.github/actions/setup-bazelisk
 
-      # Warm external deps (emsdk, LLVM, …); retry transient network fetch failures
+      # Warm external deps for the native graph; retry transient network flakes.
       - name: Prefetch external repos
         shell: pwsh
         run: |
           $max = 3
           for ($i = 1; $i -le $max; $i++) {
-            bazelisk fetch //...
+            bazelisk fetch '--' '//...' '-//wasm/...' '-//web/...'
             if ($LASTEXITCODE -eq 0) { exit 0 }
             if ($i -lt $max) {
               Write-Host "Fetch failed (attempt $i/$max). Retrying in 20s..."
@@ -33,15 +33,15 @@ jobs:
           }
           exit 1
 
-      # Build all targets (retry: fetch flakes can still surface on first analysis).
+      # Build native targets (retry: fetch flakes can still surface on first analysis).
       # --config=opt: DDS_CPPOPTS no longer forces /O2 (that fought Bazel's /Od and
       # triggered MSVC D9025); opt mode is how Windows keeps release-level codegen.
       - name: Bazel build (retry on transient fetch failure)
         shell: pwsh
         run: |
           $max = 3
           for ($i = 1; $i -le $max; $i++) {
-            bazelisk build --config=opt --verbose_failures //...
+            bazelisk build --config=opt --verbose_failures '--' '//...' '-//wasm/...' '-//web/...'
             if ($LASTEXITCODE -eq 0) { exit 0 }
             if ($i -lt $max) {
               Write-Host "Build failed (attempt $i/$max). Retrying in 20s..."
@@ -52,13 +52,12 @@ jobs:
           }
           exit 1
 
-      # Run all tests (including Python) — no retry so real test failures surface quickly
-      - name: Run all tests
-        run: bazelisk test --config=opt --verbose_failures --test_output=errors //...
+      # Run native tests (including Python) — no retry so real failures surface quickly
+      - name: Run native tests
+        run: bazelisk test --config=opt --verbose_failures --test_output=errors '--' '//...' '-//wasm/...' '-//web/...'
 
       # .NET binding lives in CI – Windows .NET (ci_windows_dotnet.yml).
 
-      # Upload test logs
       - name: Upload test logs - Windows
         if: always()
         uses: actions/upload-artifact@v6
@@ -67,3 +66,55 @@ jobs:
           path: bazel-testlogs/
           if-no-files-found: ignore
           retention-days: 30
+
+  # Windows-host emsdk / wasm transition coverage (parallel with native).
+  wasm_web:
+    runs-on: windows-latest
+    timeout-minutes: 20
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v6
+
+      - name: Setup Bazelisk
+        uses: ./.github/actions/setup-bazelisk
+
+      - name: Prefetch external repos
+        shell: pwsh
+        run: |
+          $max = 3
+          for ($i = 1; $i -le $max; $i++) {
+            bazelisk fetch //wasm/... //web/...
+            if ($LASTEXITCODE -eq 0) { exit 0 }
+            if ($i -lt $max) {
+              Write-Host "Fetch failed (attempt $i/$max). Retrying in 20s..."
+              Start-Sleep -Seconds 20
+            }
+          }
+          exit 1
+
+      - name: Bazel build (retry on transient fetch failure)
+        shell: pwsh
+        run: |
+          $max = 3
+          for ($i = 1; $i -le $max; $i++) {
+            bazelisk build --config=opt --verbose_failures //wasm/... //web/...
+            if ($LASTEXITCODE -eq 0) { exit 0 }
+            if ($i -lt $max) {
+              Write-Host "Build failed (attempt $i/$max). Retrying in 20s..."
+              Start-Sleep -Seconds 20
+              bazelisk shutdown || $true
+            }
+          }
+          exit 1
+
+      - name: Run wasm and web tests
+        run: bazelisk test --config=opt --verbose_failures --test_output=errors //wasm/... //web/...
+
+      - name: Upload test logs - Windows wasm/web
+        if: always()
+        uses: actions/upload-artifact@v6
+        with:
+          name: bazel-test-logs-windows-wasm-web
+          path: bazel-testlogs/
+          if-no-files-found: ignore
+          retention-days: 30