Release 1.5.3: fix HTML-escaped loading indicator

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>

CHANGELOG.md

@@ -6,6 +6,11 @@ correspond to git tags (`vX.Y.Z`) and `nodejs/package.json`'s `version`.
 
 ## [Unreleased]
 
+## [1.5.3] - 2026-07-28
+
+### Fixed
+- **`formAJAX`'s loading indicator showed literal HTML**, not a spinner — same fix as sso-manager-node's companion release. Replaced with plain text.
+
 ## [1.5.2] - 2026-07-28
 
 ### Added

nodejs/package.json

@@ -1,6 +1,6 @@
 {
   "name": "proxy-api",
-  "version": "1.5.2",
+  "version": "1.5.3",
   "author": [
     {
       "name": "William Mantly",