diff --git a/agents/s01_agent_loop.py b/agents/s01_agent_loop.py
index 9c953ef..0508800 100644
--- a/agents/s01_agent_loop.py
+++ b/agents/s01_agent_loop.py
@@ -27,6 +27,17 @@ policy, hooks, and lifecycle controls on top.
 import os
 import subprocess
 
+try:
+    import readline
+    # #143 UTF-8 backspace fix for macOS libedit
+    readline.parse_and_bind('set bind-tty-special-chars off')
+    readline.parse_and_bind('set input-meta on')
+    readline.parse_and_bind('set output-meta on')
+    readline.parse_and_bind('set convert-meta off')
+    readline.parse_and_bind('set enable-meta-keybindings on')
+except ImportError:
+    pass
+
 from anthropic import Anthropic
 from dotenv import load_dotenv