Sync DNS2 production changes - removed obsolete test suite and refactored structure

dashcaddy-api/config-schema.js

@@ -6,7 +6,7 @@
 const VALID_TIMEZONES_SAMPLE = [
   'UTC', 'America/New_York', 'America/Chicago', 'America/Denver', 'America/Los_Angeles',
   'Europe/London', 'Europe/Paris', 'Europe/Berlin', 'Asia/Tokyo', 'Asia/Shanghai',
-  'Asia/Singapore', 'Australia/Sydney', 'Pacific/Auckland',
+  'Asia/Singapore', 'Australia/Sydney', 'Pacific/Auckland'
 ];
 
 /**
@@ -27,7 +27,7 @@ function validateConfig(config) {
     if (typeof config.tld !== 'string') {
       errors.push('tld must be a string');
     } else {
-      const tld = config.tld.startsWith('.') ? config.tld : `.${  config.tld}`;
+      const tld = config.tld.startsWith('.') ? config.tld : '.' + config.tld;
       if (!/^\.[a-z0-9][a-z0-9-]*$/.test(tld)) {
         errors.push(`tld "${config.tld}" contains invalid characters (use lowercase alphanumeric)`);
       }
@@ -117,7 +117,7 @@ function validateConfig(config) {
     'setupComplete', 'setupCompleted', 'setupMode', 'onboardingCompleted',
     'configurationType', 'defaults', 'customLogo', 'customFavicon',
     'dashboardTitle', 'tailscale', 'license', 'skipped',
-    'routingMode', 'domain', 'email', 'defaultIP',
+    'routingMode', 'domain', 'email', 'defaultIP'
   ];
   for (const key of Object.keys(config)) {
     if (!knownKeys.includes(key)) {