refactor: cache encoded delete paths

entrypoint.sh

@@ -40,6 +40,7 @@ resolve_keep_count() {
   # Parse KEEP_COUNT and ensure it is a non-negative integer.
   local raw_value="${INPUT_KEEP_COUNT:-2}"
 
+  raw_value="$(trim "${raw_value}")"
   if [[ -z "${raw_value}" ]]; then
     raw_value="2"
   fi
@@ -284,6 +285,7 @@ process_candidates() {
   local deleted_count=0
   local error_count=0
   local package_name version _created_at
+  local encoded_owner encoded_package_name encoded_version
   local body_file headers_file meta http_code status_text request_id
 
   if [[ ! -s "${candidate_file}" ]]; then
@@ -294,12 +296,15 @@ process_candidates() {
 
   body_file="$(mktemp)"
   headers_file="$(mktemp)"
+  encoded_owner="$(url_encode "${owner}")"
   while IFS=$'\t' read -r package_name version _created_at; do
     [[ -z "${package_name}" ]] && continue
 
+    encoded_package_name="$(url_encode "${package_name}")"
+    encoded_version="$(url_encode "${version}")"
     : > "${body_file}"
     : > "${headers_file}"
-    meta="$(api_request DELETE "/api/v1/packages/$(url_encode "${owner}")/nuget/$(url_encode "${package_name}")/$(url_encode "${version}")" "${body_file}" "${headers_file}")"
+    meta="$(api_request DELETE "/api/v1/packages/${encoded_owner}/nuget/${encoded_package_name}/${encoded_version}" "${body_file}" "${headers_file}")"
     IFS=$'\t' read -r http_code status_text request_id <<< "${meta}"
 
     if [[ "${http_code}" =~ ^2 ]]; then