feat(email): add persistent smartmta storage and runtime-managed email domain syncing

ts/opsserver/handlers/email-ops.handler.ts

@@ -48,7 +48,7 @@ export class EmailOpsHandler {
           }
 
           const queue = emailServer.deliveryQueue;
-          const item = queue.getItem(dataArg.emailId);
+          const item = emailServer.getQueueItem(dataArg.emailId);
 
           if (!item) {
             return { success: false, error: 'Email not found in queue' };
@@ -82,22 +82,10 @@ export class EmailOpsHandler {
    */
   private getAllQueueEmails(): interfaces.requests.IEmail[] {
     const emailServer = this.opsServerRef.dcRouterRef.emailServer;
-    if (!emailServer?.deliveryQueue) {
+    if (!emailServer) {
       return [];
     }
-
-    const queue = emailServer.deliveryQueue;
-    const queueMap = (queue as any).queue as Map<string, any>;
-
-    if (!queueMap) {
-      return [];
-    }
-
-    const emails: interfaces.requests.IEmail[] = [];
-
-    for (const [id, item] of queueMap.entries()) {
-      emails.push(this.mapQueueItemToEmail(item));
-    }
+    const emails = emailServer.getQueueItems().map((item) => this.mapQueueItemToEmail(item));
 
     // Sort by createdAt descending (newest first)
     emails.sort((a, b) => new Date(b.timestamp).getTime() - new Date(a.timestamp).getTime());
@@ -110,12 +98,10 @@ export class EmailOpsHandler {
    */
   private getEmailDetail(emailId: string): interfaces.requests.IEmailDetail | null {
     const emailServer = this.opsServerRef.dcRouterRef.emailServer;
-    if (!emailServer?.deliveryQueue) {
+    if (!emailServer) {
       return null;
     }
-
-    const queue = emailServer.deliveryQueue;
-    const item = queue.getItem(emailId);
+    const item = emailServer.getQueueItem(emailId);
 
     if (!item) {
       return null;

ts/opsserver/handlers/stats.handler.ts

@@ -530,13 +530,49 @@ export class StatsHandler {
       nextRetry?: number;
     }>;
   }> {
-    // TODO: Implement actual queue status collection
+    const emailServer = this.opsServerRef.dcRouterRef.emailServer;
+    if (!emailServer) {
+      return {
+        pending: 0,
+        active: 0,
+        failed: 0,
+        retrying: 0,
+        items: [],
+      };
+    }
+
+    const queueStats = emailServer.getQueueStats();
+    const items = emailServer.getQueueItems()
+      .sort((a, b) => {
+        const left = a.createdAt instanceof Date ? a.createdAt.getTime() : new Date(a.createdAt).getTime();
+        const right = b.createdAt instanceof Date ? b.createdAt.getTime() : new Date(b.createdAt).getTime();
+        return right - left;
+      })
+      .slice(0, 50)
+      .map((item) => {
+        const emailLike = item.processingResult;
+        const recipients = Array.isArray(emailLike?.to)
+          ? emailLike.to
+          : Array.isArray(emailLike?.email?.to)
+            ? emailLike.email.to
+            : [];
+        const subject = emailLike?.subject || emailLike?.email?.subject || '';
+        return {
+          id: item.id,
+          recipient: recipients[0] || '',
+          subject,
+          status: item.status,
+          attempts: item.attempts,
+          nextRetry: item.nextAttempt instanceof Date ? item.nextAttempt.getTime() : undefined,
+        };
+      });
+
     return {
-      pending: 0,
-      active: 0,
-      failed: 0,
-      retrying: 0,
-      items: [],
+      pending: queueStats.status.pending,
+      active: queueStats.status.processing,
+      failed: queueStats.status.failed,
+      retrying: queueStats.status.deferred,
+      items,
     };
   }
   
@@ -600,4 +636,4 @@ export class StatsHandler {
       ],
     };
   }
-}
+}