feat: Update version handling in release workflow and improve directory creation

.github/workflows/release-docker.yml

@@ -134,14 +134,22 @@ jobs:
             echo "push_dev=false" >> "$GITHUB_OUTPUT"
           fi
 
+      - name: Update .release-version file
+        run: |
+          echo "${{ steps.meta.outputs.tag }}" > .release-version
+          cat .release-version
+
       - name: Create and push tag for manual releases
         if: github.event_name == 'workflow_dispatch'
         run: |
           TAG="${{ steps.meta.outputs.tag }}"
           git config user.name "github-actions[bot]"
           git config user.email "github-actions[bot]@users.noreply.github.com"
+          git add .release-version
+          git commit -m "chore: bump version to $TAG" || true
           git tag "$TAG"
           git push origin "$TAG"
+          git push origin HEAD:${{ github.ref_name }}
 
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3
@@ -198,6 +206,17 @@ jobs:
 
       # development tar omitted: dev releases will be versioned (vX.Y.Z-dev) and handled by update.sh using the tag
 
+      - name: Commit .release-version for tag pushes
+        if: github.event_name == 'push'
+        run: |
+          git config user.name "github-actions[bot]"
+          git config user.email "github-actions[bot]@users.noreply.github.com"
+          if ! git diff --quiet .release-version; then
+            git add .release-version
+            git commit -m "chore: update version to ${{ steps.meta.outputs.tag }}"
+            git push origin HEAD:${{ github.ref_name }}
+          fi
+
       - name: Create release-only docker bundle
         run: |
           mkdir -p release-bundle