Lets see if this helps

Author: ZehMatt

.github/workflows/WorkshopPublish.yml

@@ -57,10 +57,35 @@ jobs:
       run: |
         mkdir dist
         ./gmod/bin/gmad_linux create -folder publish -out dist/lambda.gma
+    - name: Setup steamcmd
+      uses: CyberAndrii/setup-steamcmd@v1
+
     - name: Upload to Workshop
-      uses: ZehMatt/steam-workshop-upload@569de82c2fdf3042af8491379fb698829ba63a9d
-      with: 
-        appid: 4000
-        itemid: ${{ inputs.workshop-id }}
-        changenote: "List of changes: https://github.com/${{ github.repository }}/tree/${{ github.ref_name }}/changelog.md"
-        path: 'dist'
+      run: |
+        # Create the workshop.vdf file
+        cat << EOF > workshop.vdf
+        "workshopitem"
+        {
+          "appid" "4000"
+          "contentfolder" "${{ github.workspace }}/dist"
+          "changenote" "List of changes: https://github.com/${{ github.repository }}/tree/${{ github.ref_name }}/changelog.md"
+          "publishedfileid" "${{ inputs.workshop-id }}"
+        }
+        EOF
+
+        # Debug: Display the workshop.vdf file
+        echo "Generated workshop.vdf:"
+        cat workshop.vdf
+
+        # Check if STEAM_TFASEED is provided for Steam Guard
+        if [[ -z "${STEAM_TFASEED}" ]]; then
+          echo "No Steam Guard 2FA seed provided, attempting login without code..."
+          steamcmd +@ShutdownOnFailedCommand 1 +login "${STEAM_USERNAME}" "${STEAM_PASSWORD}" +workshop_build_item workshop.vdf +quit
+        else
+          echo "Steam Guard 2FA seed provided, generating code..."
+          # Install Node.js for steam-guard-code (assuming it's a Node.js script)
+          npm install steam-totp
+          SGC=$(node -e "const steamTotp = require('steam-totp'); console.log(steamTotp.generateAuthCode('${STEAM_TFASEED}'));")
+          echo "Generated Steam Guard code: ${SGC}"
+          steamcmd +@ShutdownOnFailedCommand 1 +login "${STEAM_USERNAME}" "${STEAM_PASSWORD}" "${SGC}" +workshop_build_item workshop.vdf +quit
+        fi

.github/workflows/WorkshopPublishTest.yml

@@ -3,6 +3,7 @@ on:
   push:
     branches:
       - develop
+      - ci-fix
 jobs:
   Workshop-Publish-Test:
     uses: ./.github/workflows/WorkshopPublish.yml