fix(catalog) : retry transient storage quorum failures

lib/catalog/sync.ts

@@ -35,6 +35,7 @@ import type {
 } from "@/lib/catalog/lunaris";
 import { customTravelers, isUpstreamTraveler } from "@/lib/catalog/travelers";
 import { withCatalogSyncLock } from "@/lib/catalog/sync-lock";
+import { retryTransient } from "@/lib/catalog/sync-retry";
 import { getRedisClient, redisEventPrefix } from "@/lib/redis/client";
 import {
   catalogFormatVersion,
@@ -128,22 +129,6 @@ interface SyncedCharacter {
 
 type SyncControl = { signal?: AbortSignal; checkCancelled: () => Promise<void>; report: (phase: string, completed: number, total: number, message: string) => Promise<void> };
 
-async function retryTransient<T>(label: string, task: () => Promise<T>, signal?: AbortSignal): Promise<T> {
-  for (let attempt = 1; ; attempt += 1) {
-    signal?.throwIfAborted();
-    try {
-      return await task();
-    } catch (cause) {
-      signal?.throwIfAborted();
-      const message = cause instanceof Error ? cause.message : String(cause);
-      if (attempt >= 3 || !/timed out|timeout|unexpected error has occurred/i.test(message)) {
-        throw new Error(`${label}: ${message}`, { cause });
-      }
-      await new Promise((resolve) => setTimeout(resolve, attempt * 1_000));
-    }
-  }
-}
-
 async function getJson(url: string, signal?: AbortSignal): Promise<unknown> {
   return retryTransient(`Lunaris request ${url}`, async () => {
     const response = await fetch(url, {