fix(mta): Expose HttpResponse.statusCode and add explicit generic type annotations in DNSManager cache retrieval

ts/00_commitinfo_data.ts

@@ -3,6 +3,6 @@
  */
 export const commitinfo = {
   name: '@serve.zone/platformservice',
-  version: '1.1.1',
+  version: '1.1.2',
   description: 'A multifaceted platform service handling mail, SMS, letter delivery, and AI services.'
 }

ts/mta/mta.classes.apimanager.ts

@@ -141,7 +141,7 @@ class HttpResponse {
   private headers: Record<string, string> = {
     'Content-Type': 'application/json'
   };
-  private statusCode: number = 200;
+  public statusCode: number = 200;
   
   constructor(private res: any) {}
   

ts/mta/mta.classes.dnsmanager.ts

@@ -71,7 +71,7 @@ export class DNSManager {
     const cacheKey = `mx:${domain}`;
     
     // Check cache first
-    const cached = this.getFromCache(cacheKey);
+    const cached = this.getFromCache<plugins.dns.MxRecord[]>(cacheKey);
     if (cached) {
       return cached;
     }
@@ -103,7 +103,7 @@ export class DNSManager {
     const cacheKey = `txt:${domain}`;
     
     // Check cache first
-    const cached = this.getFromCache(cacheKey);
+    const cached = this.getFromCache<string[][]>(cacheKey);
     if (cached) {
       return cached;
     }