Merge remote-tracking branch 'origin/master' into ci/offload-coverage-to-vm-backup

.github/workflows/ci.yml

@@ -50,8 +50,10 @@ jobs:
     env:
       DSH_GATE_CONCURRENCY: '8'
     steps:
+      # Fetch complete history so the archive gate can read the trusted PR base from a reused shallow checkout.
       - uses: actions/checkout@v6
         with:
+          fetch-depth: 0
           persist-credentials: false
 
       # Pull requests consume the default-branch cache but do not put cache
@@ -75,6 +77,8 @@ jobs:
           pnpm install --frozen-lockfile
 
       - name: Run static gates
+        env:
+          DSH_ARCHIVE_BASE_REF: ${{ github.event.pull_request.base.sha }}
         run: pnpm run check:ci:static
 
       - name: Pack built tree
@@ -309,17 +313,17 @@ jobs:
       - name: Run complete keyless Python suite
         run: uv run --python 3.10 --group test --project python/sdk pytest
 
-  # One Windows box shares setup across the required build/site checks and the
-  # observational portability inventory. Linux owns duplicate lint, coverage,
-  # and snapshots so they do not dominate the paid Windows critical path.
+  # One standard Windows box shares setup across the required build/site checks
+  # and the observational portability inventory. Serial worker bounds keep this
+  # recovery path portable; Linux owns duplicate lint, coverage, and snapshots.
   windows:
     if: github.event_name == 'pull_request'
-    runs-on: dsh-enterprise-windows-2025-32core-test
+    runs-on: windows-2025
     name: windows node 24 / complete
     env:
-      DSH_COVERAGE_MAX_WORKERS: '12'
-      DSH_GATE_CONCURRENCY: '16'
-      DSH_PUBLINT_CONCURRENCY: '16'
+      DSH_COVERAGE_MAX_WORKERS: '1'
+      DSH_GATE_CONCURRENCY: '1'
+      DSH_PUBLINT_CONCURRENCY: '1'
     steps:
       - uses: actions/checkout@v6
 
@@ -355,6 +359,8 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v6
+        with:
+          fetch-depth: 2
 
       - uses: actions/setup-node@v6
         with:
@@ -389,6 +395,7 @@ jobs:
 
       - name: Run complete unsharded primary Node CI serially
         env:
+          DSH_ARCHIVE_BASE_REF: ${{ github.event.before }}
           DSH_COVERAGE_MAX_WORKERS: '1'
           DSH_E2E_MAX_WORKERS: '1'
           DSH_ESLINT_CACHE: '1'
@@ -758,7 +765,8 @@ jobs:
   # 'cancelled' and 'skipped'.
   all-checks-passed:
     name: all checks passed
-    runs-on: ubuntu-latest
+    # The required verdict must not add a separate standard-hosted billing dependency.
+    runs-on: dsh-enterprise-ubuntu-latest-32core-test
     needs: [node-24, node-24-coverage, node-24-consumers, node-compat, python-sdk, windows]
     if: always() && github.event_name == 'pull_request'
     steps: