Add demo video link to README

Updated README to include a link to a demo video.

Author: fitz123

README.md

@@ -3,7 +3,11 @@
 Multi-platform bot (Telegram + Discord) that routes messages to Claude Code CLI subprocesses. Each chat/channel gets its own persistent Claude Code session. Runs on Max subscription (no API keys).
 
 <p align="center">
-  <img src="assets/demo-cron.mp4" width="300" alt="Autonomous cron heartbeat demo">
+  
+
+https://github.com/user-attachments/assets/f8c6d4c6-079d-4b27-96af-84335fc5e3a2
+
+
   <img src="assets/screenshot-voice-youtube.jpg" width="300" alt="Voice message with YouTube recommendations and sidebar showing multiple topic sessions">
 </p>