[rmcp-client] Coordinate cross-process OAuth refreshes

codex-rs/rmcp-client/Cargo.toml

@@ -74,11 +74,20 @@ wiremock = { workspace = true }
 [target.'cfg(target_os = "linux")'.dependencies]
 keyring = { workspace = true, features = ["linux-native-async-persistent"] }
 
+[target.'cfg(unix)'.dependencies]
+libc = { workspace = true }
+
 [target.'cfg(target_os = "macos")'.dependencies]
 keyring = { workspace = true, features = ["apple-native"] }
 
 [target.'cfg(target_os = "windows")'.dependencies]
 keyring = { workspace = true, features = ["windows-native"] }
+windows-sys = { version = "0.52", features = [
+    "Win32_Foundation",
+    "Win32_Security",
+    "Win32_System_SystemInformation",
+    "Win32_System_Threading",
+] }
 
 [target.'cfg(any(target_os = "freebsd", target_os = "openbsd"))'.dependencies]
 keyring = { workspace = true, features = ["sync-secret-service"] }

codex-rs/rmcp-client/src/lib.rs

@@ -17,10 +17,10 @@ pub use auth_status::discover_streamable_http_oauth;
 pub use auth_status::supports_oauth_login;
 pub use codex_protocol::protocol::McpAuthStatus;
 pub use in_process_transport::InProcessTransportFactory;
+pub use oauth::OAUTH_REFRESH_REAUTHENTICATION_REQUIRED_ERROR;
 pub use oauth::StoredOAuthTokens;
 pub use oauth::WrappedOAuthTokenResponse;
 pub use oauth::delete_oauth_tokens;
-pub(crate) use oauth::load_oauth_tokens;
 pub use oauth::save_oauth_tokens;
 pub use perform_oauth_login::OAuthProviderError;
 pub use perform_oauth_login::OauthLoginHandle;