fix: add retry & delay to downloadMedia in server.js

whatsapp_bridge/server.js

@@ -388,9 +388,25 @@ async function handleMessage(ws, raw) {
           }
 
           console.log(`[WS] Downloading media for message: ${messageId}`);
-          const media = await msg.downloadMedia();
+          
-          if (!media) {
+          let media = null;
-            return respond({ type: 'error', message: 'Failed to download media file from WhatsApp servers' });
+          // Attempt to download media with retries and a delay to allow decryption
+          for (let i = 0; i < 3; i++) {
+            try {
+              media = await msg.downloadMedia();
+              if (media && media.data) {
+                console.log(`[WS] Successfully downloaded media on attempt ${i + 1}`);
+                break;
+              }
+            } catch (err) {
+              console.warn(`[WS] Media download attempt ${i + 1} failed:`, err.message);
+            }
+            // Wait 1.5 seconds before retrying
+            await new Promise(resolve => setTimeout(resolve, 1500));
+          }
+
+          if (!media || !media.data) {
+            return respond({ type: 'error', message: 'Failed to download media file from WhatsApp servers after multiple attempts' });
           }
 
           return respond({