fix: restore send_message and send_media WebSocket packet handlers in server.js

whatsapp_bridge/server.js

@@ -458,6 +458,46 @@ async function handleMessage(ws, raw) {
         return respond({ type: 'messages', chatId, data: messages.map(formatMessage) });
       }
 
+      case 'send_message': {
+        if (!clientReady) return respond({ type: 'error', message: 'WhatsApp is not ready' });
+        const { chatId, text } = payload;
+        if (!chatId || !text) return respond({ type: 'error', message: 'chatId and text are required' });
+        try {
+          const sentMsg = await waClient.sendMessage(chatId, text);
+          return respond({
+            type: 'message_sent',
+            chatId: chatId,
+            data: formatMessage(sentMsg)
+          });
+        } catch (err) {
+          return respond({ type: 'error', message: err.message });
+        }
+      }
+
+      case 'send_media': {
+        if (!clientReady) return respond({ type: 'error', message: 'WhatsApp is not ready' });
+        const { chatId, base64, mimetype, filename, caption } = payload;
+        if (!chatId || !base64 || !mimetype) {
+          return respond({ type: 'error', message: 'chatId, base64, and mimetype are required' });
+        }
+        try {
+          let cleanBase64 = base64.trim();
+          if (cleanBase64.includes(';base64,')) {
+            cleanBase64 = cleanBase64.split(';base64,')[1];
+          }
+          const { MessageMedia } = require('whatsapp-web.js');
+          const media = new MessageMedia(mimetype, cleanBase64, filename || 'file');
+          const sentMsg = await waClient.sendMessage(chatId, media, { caption: caption || '' });
+          return respond({
+            type: 'message_sent',
+            chatId: chatId,
+            data: formatMessage(sentMsg)
+          });
+        } catch (err) {
+          return respond({ type: 'error', message: err.message });
+        }
+      }
+
       case 'get_media': {
         if (!clientReady) return respond({ type: 'error', message: 'WhatsApp is not ready' });
         const { messageId } = payload;