Debug CI.

.github/workflows/all-builds.yml

@@ -96,6 +96,16 @@ jobs:
           cd build
           cpack -C Release -G NSIS
 
+      - name: Upload logs on failure (WIN)
+        if: failure()
+        uses: actions/upload-artifact@v4
+        with:
+          name: Build-Logs
+          path: |
+            D:\a\qtk\qtk\build\packages\_CPack_Packages\win64\NSIS\NSISOutput.log
+            D:\a\qtk\qtk\build\CMakeFiles\CMakeOutput.log
+            D:\a\qtk\qtk\build\CMakeFiles\CMakeError.log
+
       - name: Upload package artifacts (WIN)
         if: matrix.os == 'windows-latest'
         uses: actions/upload-artifact@v4