hint for codex resume on tui exit (#3757)

<img width="931" height="438" alt="Screenshot 2025-09-16 at 4 25 19 PM"
src="https://github.com/user-attachments/assets/ccfb8df1-feaf-45b4-8f7f-56100de916d5"
/>

codex-rs/tui/Cargo.toml

@@ -85,6 +85,7 @@ unicode-segmentation = "1.12.0"
 unicode-width = "0.1"
 url = "2"
 pathdiff = "0.2"
+owo-colors = "4.2.0"
 
 [target.'cfg(unix)'.dependencies]
 libc = "0.2"