add icons to notifications

.codex/scripts/codex-notify

@@ -5,6 +5,9 @@ import subprocess
 import sys
 
 
+CHATGPT_ICON = "/usr/share/icons/hicolor/512x512/apps/chatgpt-desktop.png"
+
+
 def main() -> int:
     if len(sys.argv) != 2:
         return 0
@@ -27,7 +30,13 @@ def main() -> int:
         message = message[:177] + "..."
 
     subprocess.run(
-        [notify_send, "--app-name=Codex", "Codex", message],
+        [
+            notify_send,
+            "--app-name=Codex",
+            f"--icon={CHATGPT_ICON}",
+            "Codex",
+            message,
+        ],
         stdout=subprocess.DEVNULL,
         stderr=subprocess.DEVNULL,
         check=False,