trying to fix startup

apps/data-service/src/providers/proxy.tasks.ts

@@ -116,17 +116,20 @@ async function initializeSharedResources() {
       enableMetrics: true
     });
     
+    // Always initialize httpClient and concurrencyLimit first
+    httpClient = new HttpClient({ timeout: 10000 }, logger);
+    concurrencyLimit = pLimit(PROXY_CONFIG.CONCURRENCY_LIMIT);
+    
+    // Try to connect to cache, but don't block initialization if it fails
     try {
       // Use longer timeout for cache connection
       await cache.waitForReady(30000); // 30 seconds
       logger.info('Cache connection established');
     } catch (error) {
-      logger.error('Cache connection failed, continuing with degraded functionality:', error);
+      logger.warn('Cache connection failed, continuing with degraded functionality:', {error});
       // Don't throw - allow the service to continue with cache fallbacks
     }
     
-    httpClient = new HttpClient({ timeout: 10000 }, logger);
-    concurrencyLimit = pLimit(PROXY_CONFIG.CONCURRENCY_LIMIT);
     logger.info('Proxy tasks initialized');
   }
 }
@@ -172,6 +175,19 @@ export async function fetchProxiesFromSources(): Promise<ProxyInfo[]> {
   await initializeSharedResources();
   await resetProxyStats();
   
+  // Ensure concurrencyLimit is available before using it
+  if (!concurrencyLimit) {
+    logger.error('concurrencyLimit not initialized, using sequential processing');
+    const result = [];
+    for (const source of PROXY_CONFIG.PROXY_SOURCES) {
+      const proxies = await fetchProxiesFromSource(source);
+      result.push(...proxies);
+    }
+    let allProxies: ProxyInfo[] = result;
+    allProxies = removeDuplicateProxies(allProxies);
+    return allProxies;
+  }
+  
   const sources = PROXY_CONFIG.PROXY_SOURCES.map(source => 
     concurrencyLimit(() => fetchProxiesFromSource(source))
   );