fix(core): Improve nested DNS record management and worker script multipart handling

ts/00_commitinfo_data.ts

@@ -3,6 +3,6 @@
  */
 export const commitinfo = {
   name: '@apiclient.xyz/cloudflare',
-  version: '6.3.0',
+  version: '6.3.1',
   description: 'A TypeScript client for managing Cloudflare accounts, zones, DNS records, and workers with ease.'
 }

ts/cloudflare.classes.account.ts

@@ -229,15 +229,17 @@ export class CloudflareAccount {
         const domain = new plugins.smartstring.Domain(domainNameArg);
         const zoneId = await this.convenience.getZoneId(domain.zoneName);
         
-        const records = await this.convenience.listRecords(domainNameArg);
+        // List all records in the zone for this domain
+        const records = await this.convenience.listRecords(domain.zoneName);
         
         if (!Array.isArray(records)) {
           logger.log('warn', `Expected records array for ${domainNameArg} but got ${typeof records}`);
           return;
         }
         
+        // Only delete records matching the specified name and type
         const recordsToDelete = records.filter((recordArg) => {
-          return recordArg.type === typeArg;
+          return recordArg.type === typeArg && recordArg.name === domainNameArg;
         });
         
         logger.log('info', `Found ${recordsToDelete.length} ${typeArg} records to delete for ${domainNameArg}`);

ts/cloudflare.classes.worker.ts

@@ -167,11 +167,15 @@ export class CloudflareWorker {
     try {
       logger.log('info', `Updating script for worker ${this.id}`);
       
-      // Use the official client to update the script
+      // Use the official client to update the script (upload new content)
       const updatedWorker = await this.workerManager.cfAccount.apiAccount.workers.scripts.content.update(this.id, {
         account_id: this.workerManager.cfAccount.preselectedAccountId,
-        "CF-WORKER-BODY-PART": scriptContent,
-        metadata: {}
+        // name the multipart part for the updated script code
+        metadata: { body_part: 'script' },
+        /* header to indicate which part contains the script */
+        'CF-WORKER-BODY-PART': 'script',
+        // include the new script as a form part named 'script'
+        script: scriptContent,
       });
       
       // Update this instance with new data

ts/cloudflare.classes.workermanager.ts

@@ -22,11 +22,15 @@ export class WorkerManager {
     }
     
     try {
-      // Use the official client to create/update the worker
+      // Use the official client to create/update the worker (upload script content)
       await this.cfAccount.apiAccount.workers.scripts.content.update(workerName, {
         account_id: this.cfAccount.preselectedAccountId,
-        "CF-WORKER-BODY-PART": workerScript,
-        metadata: {}
+        // name the multipart part for the script code
+        metadata: { body_part: 'script' },
+        /* header to indicate which part contains the script */
+        'CF-WORKER-BODY-PART': 'script',
+        // include the actual script as a form part named 'script'
+        script: workerScript,
       });
       
       // Create a new worker instance