From 023f9c679f6bea294c027cfd40568641b6a878a4 Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Mon, 19 Oct 2026 03:59:10 +0000
Subject: [PATCH 1/3] Initial plan


From 6f57142dfcd5cb53c7c02dc54d4063bdcd89e3f1 Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Mon, 19 Oct 2026 04:08:01 +0000
Subject: [PATCH 2/3] build(ci): check Windows workspace with Bazel

Co-authored-by: ScriptedAlchemy <25274700+ScriptedAlchemy@users.noreply.github.com>
---
 .github/workflows/ci.yml | 43 +++++++++++++---------------------------
 1 file changed, 14 insertions(+), 29 deletions(-)

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 77c8ed4556..45fcbf95d3 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -529,12 +529,17 @@ jobs:
         run: test "${{ needs.linux-test.result }}" = "success"
 
   windows-test:
-    name: Test Windows
+    name: Windows Bazel check
     needs: scope-gate
-    if: ${{ needs.scope-gate.outputs.run-os == 'true' }}
+    if: >-
+      ${{ needs.scope-gate.outputs.run-heavy == 'true' &&
+      (github.event_name != 'workflow_dispatch' ||
+      needs.scope-gate.outputs.run-os == 'true') }}
     runs-on: windows-latest
     timeout-minutes: 330
     steps:
+      # Linux builds do not enable cfg(windows). Compile every Bazel target on
+      # native Windows for ready PRs and pushes; full tests remain dispatch-only.
       # Full history: the search-quality workload fixture pins a
       # `source_repository_commit`, and `validate_source_bindings` resolves that
       # object out of this checkout.
@@ -552,9 +557,13 @@ jobs:
         with:
           cache-key: ci-windows-test
 
-      # `bazel test` builds every target in the pattern, so tests start
-      # while the rest of the workspace still links.
-      - name: Build and test the workspace
+      - name: Build and type-check the Windows workspace
+        if: ${{ github.event_name != 'workflow_dispatch' }}
+        shell: bash
+        run: bazel build --config=ci //...
+
+      - name: Build and test the Windows workspace
+        if: ${{ github.event_name == 'workflow_dispatch' && needs.scope-gate.outputs.run-os == 'true' }}
         shell: bash
         run: bazel test --config=ci //...
 
@@ -604,30 +613,6 @@ jobs:
       - name: Run blocking Clippy policy
         run: bazel build --config=ci --config=clippy //...
 
-      # Master pushes run no Windows lane, so `cfg(windows)` code otherwise
-      # first compiles in the release build. Bazel has no MSVC toolchain on
-      # Linux, so this cross-target type check stays on Cargo: `cargo check`
-      # needs no linker, and mingw supplies the C compiler the native build
-      # scripts run. macOS has no equivalent: its build scripts need the Apple
-      # SDK headers.
-      - name: Install pinned toolchain and Windows check target
-        run: |
-          rustup toolchain install
-          rustup target add x86_64-pc-windows-gnu
-
-      - uses: ./.github/actions/setup-pnpm
-
-      - name: Install the Windows C cross-compiler
-        run: |
-          sudo apt-get update
-          sudo apt-get install -y --no-install-recommends gcc-mingw-w64-x86-64
-
-      - name: Check the Windows target
-        run: >-
-          cargo check --workspace --all-targets --locked
-          --target x86_64-pc-windows-gnu
-          --features tracedecay/test-transport,tracedecay/test-helpers,tracedecay-cli/test-transport
-
       - name: Save compiled Bazel actions
         if: always() && !cancelled() && github.ref == 'refs/heads/master' && steps.bazel.outputs.disk-cache-key != ''
         uses: actions/cache/save@55cc8345863c7cc4c66a329aec7e433d2d1c52a9 # v6.1.0

From e4e019c255aa92fd42d23cc74d1b171abf8310ed Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Mon, 19 Oct 2026 04:09:16 +0000
Subject: [PATCH 3/3] build(ci): run Windows Bazel check on draft PRs

Co-authored-by: ScriptedAlchemy <25274700+ScriptedAlchemy@users.noreply.github.com>
---
 .github/workflows/ci.yml | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 45fcbf95d3..cb3d8c396a 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -532,14 +532,15 @@ jobs:
     name: Windows Bazel check
     needs: scope-gate
     if: >-
-      ${{ needs.scope-gate.outputs.run-heavy == 'true' &&
+      ${{ github.event_name == 'pull_request' ||
+      (needs.scope-gate.outputs.run-heavy == 'true' &&
       (github.event_name != 'workflow_dispatch' ||
-      needs.scope-gate.outputs.run-os == 'true') }}
+      needs.scope-gate.outputs.run-os == 'true')) }}
     runs-on: windows-latest
     timeout-minutes: 330
     steps:
       # Linux builds do not enable cfg(windows). Compile every Bazel target on
-      # native Windows for ready PRs and pushes; full tests remain dispatch-only.
+      # native Windows for every PR and push; full tests remain dispatch-only.
       # Full history: the search-quality workload fixture pins a
       # `source_repository_commit`, and `validate_source_bindings` resolves that
       # object out of this checkout.