Enhance DNS record management by adding support for optional DNS providers.

Replit-Commit-Author: Agent
Replit-Commit-Session-Id: 9111ef36-26c8-4085-84ca-a35dc1fec1b5
Replit-Commit-Screenshot-Url: https://storage.googleapis.com/screenshot-production-us-central1/7083d608-d6d3-4a6a-9a27-6286c5109627/996e6e00-8df0-4e11-8054-4bedce75e1d8.jpg

shared/schema.ts

@@ -204,17 +204,23 @@ export const insertDomainSchema = createInsertSchema(domains)
     providerId: z.string().uuid().optional(),
   });
 
-export const insertDnsRecordSchema = createInsertSchema(dnsRecords).pick({
-  domainId: true,
-  name: true,
-  type: true,
-  content: true,
-  ttl: true,
-  proxied: true,
-  isActive: true,
-  isAutoIP: true,
-  notes: true,
-});
+export const insertDnsRecordSchema = createInsertSchema(dnsRecords)
+  .pick({
+    domainId: true,
+    name: true,
+    type: true,
+    content: true,
+    ttl: true,
+    proxied: true,
+    isActive: true,
+    isAutoIP: true,
+    notes: true,
+    providerId: true,
+  })
+  .extend({
+    // Override providerId to make it optional
+    providerId: z.string().uuid().nullable().optional(),
+  });
 
 export const insertProviderSchema = createInsertSchema(providers).pick({
   name: true,