Address cpflow workflow review comments

Author: justin808

.github/actions/cpflow-validate-config/action.yml

@@ -39,8 +39,7 @@ runs:
         missing=()
         while IFS= read -r entry; do
           entry="${entry%$'\r'}"
-          entry="${entry## }"
-          entry="${entry%% }"
+          entry="$(printf '%s' "${entry}" | sed -e 's/^[[:space:]]*//' -e 's/[[:space:]]*$//')"
           [[ -z "${entry}" ]] && continue
 
           type="${entry%%:*}"
@@ -71,5 +70,6 @@ runs:
           exit 0
         fi
 
-        printf 'Missing required GitHub configuration:\n- %s\n' "${missing[@]}" >&2
+        echo "Missing required GitHub configuration:" >&2
+        printf -- '- %s\n' "${missing[@]}" >&2
         exit 1

.github/actions/cpflow-wait-for-health/action.yml

@@ -61,7 +61,10 @@ runs:
         for attempt in $(seq 1 "${CPFLOW_MAX_RETRIES}"); do
           echo "Health check attempt ${attempt}/${CPFLOW_MAX_RETRIES}"
 
-          endpoint="$(cpln workload get "${CPFLOW_WORKLOAD_NAME}" --gvc "${CPFLOW_APP_NAME}" --org "${CPFLOW_ORG}" -o json | jq -r '.status.endpoint // empty')"
+          if ! endpoint="$(cpln workload get "${CPFLOW_WORKLOAD_NAME}" --gvc "${CPFLOW_APP_NAME}" --org "${CPFLOW_ORG}" -o json | jq -r '.status.endpoint // empty')"; then
+            echo "Unable to fetch workload endpoint; will retry if attempts remain."
+            endpoint=""
+          fi
           if [[ -n "${endpoint}" ]]; then
             http_status="$(curl -s -o /dev/null -w '%{http_code}' --max-time "${CPFLOW_CURL_MAX_TIME}" "${endpoint}" 2>/dev/null || echo 000)"
             echo "Endpoint: ${endpoint}, HTTP status: ${http_status}"