docs: update README hero image

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

Author: node9ai

README.md

@@ -18,7 +18,7 @@
 **AIs are literal.** Ask an agent to "fix disk space" and it might run `docker system prune -af --volumes`.
 
 <p align="center">
-  <img src="https://github.com/user-attachments/assets/7b22e0fb-35ff-4088-8ee9-cc23216f362f" width="100%">
+  <img src="https://github.com/user-attachments/assets/4aa6e45b-9aba-4953-9ce3-548226622588" width="100%">
 </p>
 
 With Node9: