fix(route-validator): Relax domain validation to accept localhost, prefix wildcards (e.g. *example.com) and IP literals; add comprehensive domain validation tests

ts/proxies/smart-proxy/utils/route-validator.ts

@@ -335,10 +335,22 @@ export class RouteValidator {
   private static isValidDomain(domain: string): boolean {
     if (!domain || typeof domain !== 'string') return false;
     if (domain === '*') return true;
+    if (domain === 'localhost') return true;
     
-    // Basic domain pattern validation
-    const domainPattern = /^(\*\.)?([a-zA-Z0-9]([a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?\.)*[a-zA-Z0-9]([a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?$/;
-    return domainPattern.test(domain) || domain === 'localhost';
+    // Allow both *.domain and *domain patterns
+    // Also allow regular domains and subdomains
+    const domainPatterns = [
+      // Standard domain with optional wildcard subdomain (*.example.com)
+      /^(\*\.)?([a-zA-Z0-9]([a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?\.)*[a-zA-Z0-9]([a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?$/,
+      // Wildcard prefix without dot (*example.com)
+      /^\*[a-zA-Z0-9]([a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(\.([a-zA-Z0-9]([a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?))*$/,
+      // IP address
+      /^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}$/,
+      // IPv6 address
+      /^([0-9a-fA-F]{0,4}:){2,7}[0-9a-fA-F]{0,4}$/
+    ];
+    
+    return domainPatterns.some(pattern => pattern.test(domain));
   }
 
   /**