added step-ca installation part

scripts/setup_wizard.sh

@@ -115,6 +115,30 @@ install_unit() {
 echo "Starting Interactive Setup..."
 echo "-----------------------------"
 
+# Verify required external binaries
+if ! command -v step >/dev/null 2>&1; then
+    echo "" >&2
+    log_error "Required binary 'step' not found in PATH."
+
+    # Prompt the user to install the step CLI
+    get_input "INSTALL_STEP" "The 'step' CLI was not found. Install now? (y/n)" "y" "false"
+
+    if [[ "${INSTALL_STEP,,}" == "y" ]]; then
+        apt-get update && apt-get install -y --no-install-recommends curl vim gpg ca-certificates
+        curl -fsSL https://packages.smallstep.com/keys/apt/repo-signing-key.gpg -o /etc/apt/trusted.gpg.d/smallstep.asc && \
+            echo 'deb [signed-by=/etc/apt/trusted.gpg.d/smallstep.asc] https://packages.smallstep.com/stable/debian debs main' \
+            | tee /etc/apt/sources.list.d/smallstep.list
+        apt-get update && apt-get -y install step-cli step-ca
+    else
+        log_error "Cannot continue without 'step'. Aborting." >&2
+        exit 1
+    fi
+else
+    log_success "Step CA installed\n"
+fi
+
+
+
 # 1. Collect Inputs
 # Example:
 get_input "HOST_NAME" "Enter Hostname" "$(hostname)" "false"