feat: add agent workflow messaging and skill

apps/web/public/manifest.webmanifest

@@ -1,7 +1,7 @@
 {
   "name": "Xdrop",
   "short_name": "Xdrop",
-  "description": "Xdrop is an open source file transfer app that encrypts files in your browser and keeps plaintext file names, contents, and keys off the server.",
+  "description": "Xdrop is an open source encrypted file transfer app for browsers and agent-driven terminal workflows, keeping plaintext file names, contents, and keys off the server.",
   "theme_color": "#12140f",
   "background_color": "#f7f2e8",
   "display": "standalone",