whatsapp: fix crypto.subtle polyfill for Node 18, bump to v2.0.1

connectors/whatsapp/connector.json

@@ -1,7 +1,7 @@
 {
   "id": "whatsapp",
   "name": "WhatsApp",
-  "version": "2.0.0",
+  "version": "2.0.1",
   "type": "mcp_local",
   "scope": "user",
   "launch_command": "node index.js",

connectors/whatsapp/index.js

@@ -24,6 +24,13 @@
  * token — so there is nothing to paste back, only a QR to scan.
  */
 
+// Baileys uses the Web Crypto global (`crypto.subtle`), which Node only exposes as
+// `globalThis.crypto` from v20+. The container ships Node 18 (Debian bookworm), so
+// polyfill it from `node:crypto` — without this, the socket dies on connect with
+// "crypto is not defined" and never reaches the QR.
+const nodeCrypto = require('crypto');
+if (!globalThis.crypto) globalThis.crypto = nodeCrypto.webcrypto;
+
 const fs   = require('fs');
 const path = require('path');
 const readline = require('readline');