diff --git a/.gitea/workflows/demo.yaml b/.gitea/workflows/demo.yaml
index 16682dd..508b346 100644
--- a/.gitea/workflows/demo.yaml
+++ b/.gitea/workflows/demo.yaml
@@ -86,59 +86,63 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      # Checkout repository first
+      # Checkout repository
       - name: Checkout repository manually
         env:
           TOKEN: ${{ secrets.ACCESS_TOKEN }}
           CLONE_URL: ${{ vars.CLONE_URL }}
         run: |
-          echo "Cloning from $CLONE_URL"
-          echo "Cloning ALL_REPO_TOKEN $ALL_REPO_TOKEN"
-          CLONE_URL_WITH_AUTH=$(echo "$CLONE_URL" | sed "s#https://#https://$ALL_REPO_TOKEN@#")
+          CLONE_URL_WITH_AUTH=$(echo "$CLONE_URL" | sed "s#https://#https://$TOKEN@#")
           git clone --quiet "$CLONE_URL_WITH_AUTH" .
-          echo "${{ gitea.repository }} cloned successfully."
+          echo "Repository cloned successfully."
 
-      - name: Set up Java 21 and Maven
+      # Manual Java 21 installation
+      - name: Install OpenJDK 21 manually
         run: |
+          set -e
+          # Detect if running in act
           if command -v act >/dev/null 2>&1; then
-            echo "Detected act runner, installing OpenJDK 21 via apt-get..."
-            sudo apt-get update
-            sudo apt-get install -y openjdk-21-jdk maven
-          else
-            echo "Detected GitHub runner, using actions/setup-java..."
+            echo "Detected act runner, installing Java 21 via apt silently..."
           fi
-        shell: bash
 
-      - uses: actions/checkout@v5
-      - name: Set up JDK 21 for x64
-        uses: actions/setup-java@v4
-        with:
-          java-version: '21'
-          distribution: 'oracle'
-          architecture: x64
-          cache: maven
-          cache-dependency-path: 'pom.xml' # optional
+          # Install prerequisites silently
+          sudo apt-get update -qq
+          sudo apt-get install -y -qq wget tar gzip gnupg --no-install-recommends
 
-      - name: Setup Java 21 (for act)
-        run: |
-          # Ensure keyrings are updated
-          apt-get update -y --allow-unauthenticated || true
-          apt-get install -y --no-install-recommends wget gnupg software-properties-common
+          # Download OpenJDK 21 tar.gz from Eclipse Temurin (or AdoptOpenJDK)
+          JDK_VERSION="21.0.0+35"
+          JDK_DIR="/opt/jdk-21"
+          TMP_TAR="/tmp/openjdk-21.tar.gz"
+          wget -qO "$TMP_TAR" "https://github.com/adoptium/temurin21-binaries/releases/download/jdk-21.0.0%2B35/OpenJDK21U-jdk_x64_linux_hotspot_21.0.0_35.tar.gz"
 
-          # Add the missing public key
-          apt-key adv --keyserver keyserver.ubuntu.com --recv-keys 871920D1991BC93C || true
+          # Extract silently
+          sudo mkdir -p "$JDK_DIR"
+          sudo tar --strip-components=1 -xzf "$TMP_TAR" -C "$JDK_DIR" >/dev/null
+
+          # Set environment variables for all steps
+          echo "JAVA_HOME=$JDK_DIR" | sudo tee /etc/profile.d/jdk21.sh
+          echo "PATH=$JDK_DIR/bin:\$PATH" | sudo tee -a /etc/profile.d/jdk21.sh
+          export JAVA_HOME="$JDK_DIR"
+          export PATH="$JAVA_HOME/bin:$PATH"
 
-          # Update sources and install Java 21
-          apt-get update -y
-          apt-get install -y openjdk-21-jdk
           java -version
-          echo "Java 21 setup completed."      
+          echo "OpenJDK 21 installed successfully."
 
-      - name: Set up Maven
-        uses: stCarolas/setup-maven@v5
-        with:
-          maven-version: 3.9.9
+      # Install Maven manually
+      - name: Install Maven silently
+        run: |
+          MAVEN_VERSION="3.9.9"
+          MAVEN_DIR="/opt/maven"
+          wget -qO /tmp/apache-maven.tar.gz "https://downloads.apache.org/maven/maven-3/$MAVEN_VERSION/binaries/apache-maven-$MAVEN_VERSION-bin.tar.gz"
+          sudo mkdir -p "$MAVEN_DIR"
+          sudo tar -xzf /tmp/apache-maven.tar.gz --strip-components=1 -C "$MAVEN_DIR" >/dev/null
+          echo "MAVEN_HOME=$MAVEN_DIR" | sudo tee /etc/profile.d/maven.sh
+          echo "PATH=$MAVEN_DIR/bin:\$PATH" | sudo tee -a /etc/profile.d/maven.sh
+          export MAVEN_HOME="$MAVEN_DIR"
+          export PATH="$MAVEN_HOME/bin:$PATH"
+          mvn -v
 
+      # Cache Maven dependencies
       - name: Cache Maven dependencies
         uses: actions/cache@v3
         with:
@@ -147,14 +151,11 @@ jobs:
           restore-keys: |
             maven-${{ runner.os }}-
 
+      # Run backend tests and build
       - name: Test & build backend
         working-directory: ./src
         run: |
-          echo "Started test & build backend..."
-          ls .
-          mvn clean
-          echo "Backend tests and build completed successfully."
-      #    mvn clean verify package -B
+          mvn clean verify -B
 
       - name: Done
-        run: echo "Workflow successfully completed."
+        run: echo "Workflow successfully completed."
\ No newline at end of file