Refactor installation scripts to use new configuration prompt helpers for improved user experience

setup/cluster/utils/install.sh

@@ -1,11 +1,14 @@
 #!/bin/bash
 set -e
+set -o pipefail
 
 if [ -z "${WC_HOME}" ]; then
     echo "Please source the wildcloud environment first. (e.g., \`source ./env.sh\`)"
     exit 1
 fi
 
+source "${WC_ROOT}/bin/wild-common.sh"
+
 CLUSTER_SETUP_DIR="${WC_HOME}/setup/cluster"
 UTILS_DIR="${CLUSTER_SETUP_DIR}/utils"
 
@@ -21,4 +24,4 @@ fi
 echo "Applying utility manifests..."
 kubectl apply -f ${UTILS_DIR}/kustomize/
 
-echo "✅ Cluster utilities setup complete!"
+echo "✅ Cluster utilities setup complete!"