ci: upload concise Windows failure context

Author: fajarnugraha37

.github/workflows/ci.yml

@@ -17,15 +17,23 @@ jobs:
       - name: Syntax check
         working-directory: global-template/docgen
         run: npm run check
-      - name: Unit and integration tests with concise failure output
+      - name: Unit and integration tests with concise failure artifact
         working-directory: global-template/docgen
         shell: pwsh
         run: |
           npm test *> test-output.log
           $exitCode = $LASTEXITCODE
           if ($exitCode -ne 0) {
-            Write-Host '=== FAILURE CONTEXT ==='
-            Select-String -Path test-output.log -Pattern 'not ok|AssertionError|ERR_ASSERTION|error:|failureType|expected:|actual:' -Context 4,12
+            Select-String -Path test-output.log -Pattern 'not ok|AssertionError|ERR_ASSERTION|error:|failureType|expected:|actual:|operator:|stack:' -Context 6,20 | Out-String -Width 500 | Set-Content failure-context.txt
+            Get-Content failure-context.txt
             exit $exitCode
           }
           Get-Content test-output.log -Tail 30
+      - name: Upload Windows failure context
+        if: always()
+        uses: actions/upload-artifact@v4
+        with:
+          name: windows-failure-context
+          if-no-files-found: error
+          retention-days: 3
+          path: global-template/docgen/failure-context.txt