feat: introduce responses-api-proxy

codex-rs/cli/Cargo.toml

@@ -28,6 +28,7 @@ codex-mcp-server = { workspace = true }
 codex-protocol = { workspace = true }
 codex-protocol-ts = { workspace = true }
 codex-tui = { workspace = true }
+codex-responses-api-proxy = { workspace = true }
 ctor = { workspace = true }
 owo-colors = { workspace = true }
 serde_json = { workspace = true }

codex-rs/cli/src/main.rs

@@ -14,6 +14,7 @@ use codex_cli::login::run_logout;
 use codex_cli::proto;
 use codex_common::CliConfigOverrides;
 use codex_exec::Cli as ExecCli;
+use codex_responses_api_proxy::Args as ResponsesApiProxyArgs;
 use codex_tui::AppExitInfo;
 use codex_tui::Cli as TuiCli;
 use owo_colors::OwoColorize;
@@ -86,6 +87,10 @@ enum Subcommand {
     /// Internal: generate TypeScript protocol bindings.
     #[clap(hide = true)]
     GenerateTs(GenerateTsCommand),
+
+    /// Internal: run the responses API proxy.
+    #[clap(hide = true)]
+    ResponsesApiProxy(ResponsesApiProxyArgs),
 }
 
 #[derive(Debug, Parser)]
@@ -341,6 +346,9 @@ async fn cli_main(codex_linux_sandbox_exe: Option<PathBuf>) -> anyhow::Result<()
         Some(Subcommand::GenerateTs(gen_cli)) => {
             codex_protocol_ts::generate_ts(&gen_cli.out_dir, gen_cli.prettier.as_deref())?;
         }
+        Some(Subcommand::ResponsesApiProxy(args)) => {
+            codex_responses_api_proxy::run_main(args)?;
+        }
     }
 
     Ok(())