bump 0.5.29 — add KC_BASE_URL to exchange error

package.json

@@ -1,6 +1,6 @@
 {
   "name": "ipwhitelist",
-  "version": "0.5.28",
+  "version": "0.5.29",
   "description": "IP WhiteList microservice for cloud provider",
   "main": "server.js",
   "scripts": {

src/routes/oidc.js

@@ -48,7 +48,9 @@ function createRouter({ auth, doubleCsrfProtection, generateCsrfToken, authLimit
 
     try {
       // Обмен code на токен (через IAM / Keycloak)
-      const tokenData = await auth.exchangeCode(code);
+      const tokenData = await auth.exchangeCode(code).catch(e => {
+        throw new Error('Code exchange failed: ' + (e.message || e) + ' [KC_BASE_URL=' + process.env.KC_BASE_URL + ', code=' + (code || '').slice(0, 8) + '...]');
+      });
       const accessToken = tokenData.accessToken;
 
       if (!accessToken) throw new Error('No access_token in response');