feat(dns): Enhance DNS management with auto-generated entries and service activation

ts_interfaces/data/dns.ts

@@ -77,5 +77,24 @@ export interface IDnsEntry {
      * Timestamp when the entry was last updated
      */
     updatedAt?: number;
+    
+    /**
+     * Whether this DNS entry was auto-generated
+     */
+    isAutoGenerated?: boolean;
+    
+    /**
+     * The service ID that created this DNS entry (for auto-generated entries)
+     */
+    sourceServiceId?: string;
+    
+    /**
+     * The source type of this DNS entry
+     * - manual: Created by user through UI/API
+     * - service: Auto-generated from service configuration
+     * - system: Created by system processes
+     * - external: Synced from external DNS providers
+     */
+    sourceType?: 'manual' | 'service' | 'system' | 'external';
   };
 }