update readme

Author: betaHi

README.md

@@ -1,7 +1,7 @@
 <h1 align="center">copilot-bridge</h1>
 
 <p align="center">
-  <a href="https://www.npmjs.com/package/betahi-copilot-bridge"><img src="https://img.shields.io/npm/v/betahi-copilot-bridge.svg?v=0.20.8" alt="npm version"></a>
+  <a href="https://www.npmjs.com/package/betahi-copilot-bridge"><img src="https://img.shields.io/npm/v/betahi-copilot-bridge.svg?v=0.20.9" alt="npm version"></a>
   <a href="https://github.com/betahi/copilot-bridge/blob/main/LICENSE"><img src="https://img.shields.io/npm/l/betahi-copilot-bridge.svg" alt="license"></a>
 </p>
 
@@ -97,6 +97,12 @@ requires_openai_auth = false
 Use `--no-codex-setup` to skip this writer if you manage
 `~/.codex/config.toml` yourself.
 
+The managed config also keeps Codex CLI's `/status` context-window display in
+sync with Copilot model metadata. For example, GPT-5.5 shows a 1.05M context
+window through the bridge:
+
+![Codex context window](assets/screenshots/codex_2.png)
+
 ### Codex warning: "Model metadata ... not found"
 
 This is a Codex client-side metadata warning, not a bridge routing failure, requests can still complete through the bridge.