feat(sync): full code sync from release

README.md

@@ -57,6 +57,34 @@ Sub2API is an AI API gateway platform designed to distribute and manage API quot
 
 ---
 
+## Codex CLI WebSocket v2 Example
+
+To enable OpenAI WebSocket Mode v2 in Codex CLI with Sub2API, add the following to `~/.codex/config.toml`:
+
+```toml
+model_provider = "aicodx2api"
+model = "gpt-5.3-codex"
+review_model = "gpt-5.3-codex"
+model_reasoning_effort = "xhigh"
+disable_response_storage = true
+network_access = "enabled"
+windows_wsl_setup_acknowledged = true
+
+[model_providers.aicodx2api]
+name = "aicodx2api"
+base_url = "https://api.sub2api.ai"
+wire_api = "responses"
+supports_websockets = true
+requires_openai_auth = true
+
+[features]
+responses_websockets_v2 = true
+```
+
+After updating the config, restart Codex CLI.
+
+---
+
 ## Deployment
 
 ### Method 1: Script Installation (Recommended)