feat: Implement retry logic and tracking

supabase/functions/sync-all-moderators-to-topic/index.ts

@@ -2,6 +2,7 @@ import { serve } from "https://deno.land/std@0.168.0/http/server.ts";
 import { createClient } from "https://esm.sh/@supabase/supabase-js@2.57.4";
 import { Novu } from "npm:@novu/api@1.6.0";
 import { edgeLogger, startRequest, endRequest } from '../_shared/logger.ts';
+import { withEdgeRetry } from '../_shared/retryHelper.ts';
 
 const corsHeaders = {
   'Access-Control-Allow-Origin': '*',
@@ -86,9 +87,17 @@ serve(async (req) => {
         const batch = uniqueUserIds.slice(i, i + batchSize);
         
         try {
-          await novu.topics.addSubscribers(topicKey, {
-            subscribers: batch,
-          });
+          await withEdgeRetry(
+            async () => {
+              await novu.topics.addSubscribers(topicKey, {
+                subscribers: batch,
+              });
+            },
+            { maxAttempts: 3, baseDelay: 2000 },
+            tracking.requestId,
+            `sync-batch-${topicKey}-${i}`
+          );
+          
           successCount += batch.length;
           edgeLogger.info('Added batch of users to topic', { 
             requestId: tracking.requestId,