fix(integrations): не считать CNAME hostname за IP при sync

JOIN dns_record клал content CNAME в target_ips и блокировал разворот до origin IP / service IPs.

Co-authored-by: Cursor <[email protected]>

packages/shared/dist/index.js

@@ -85,6 +85,12 @@ function isValidIpv4(ip) {
     return Number.isInteger(n) && n >= 0 && n <= 255;
   });
 }
+function isIpLiteral(value) {
+  const v = value.trim();
+  if (!v) return false;
+  if (isValidIpv4(v)) return true;
+  return IPV6_RE.test(v);
+}
 
 // src/subdomain.ts
 function dnsNameToSubdomainLabel(recordName, zoneName) {
@@ -730,6 +736,7 @@ export {
   ingestAuditEventSchema,
   ipHealthStateSchema,
   ipHealthStatusSchema,
+  isIpLiteral,
   isValidIpv4,
   lbModeSchema,
   loginSchema,