diff --git a/.github/workflows/devcontainer.yml b/.github/workflows/devcontainer.yml
index 31e0682a37..80b45d4075 100644
--- a/.github/workflows/devcontainer.yml
+++ b/.github/workflows/devcontainer.yml
@@ -17,6 +17,12 @@ jobs:
       matrix:
         dockerfile: ["gnu","intel","cuda"]
     steps:
+      - name: Force Clean Workspace
+        run: |
+          sudo chattr -i -R ${{ github.workspace }} 2>/dev/null || true
+          sudo chown -R $USER:$USER ${{ github.workspace }}
+          sudo find ${{ github.workspace }} -mindepth 1 -delete
+        
       - name: Checkout
         uses: actions/checkout@v6
 
diff --git a/doxygen/Doxyfile b/doxygen/Doxyfile
index e109197b7b..39a3a477f0 100644
--- a/doxygen/Doxyfile
+++ b/doxygen/Doxyfile
@@ -2312,7 +2312,7 @@ HAVE_DOT               = YES
 # Minimum value: 0, maximum value: 32, default value: 0.
 # This tag requires that the tag HAVE_DOT is set to YES.
 
-DOT_NUM_THREADS        = 0
+DOT_NUM_THREADS        = 2
 
 # When you want a differently looking font in the dot files that doxygen
 # generates you can specify the font name using DOT_FONTNAME. You need to make