fix: eliminate re-exports in codex-rs/core/lib.rs

codex-rs/core/tests/common/Cargo.toml

@@ -18,6 +18,7 @@ codex-arg0 = { workspace = true }
 codex-core = { workspace = true }
 codex-exec-server = { workspace = true }
 codex-features = { workspace = true }
+codex-login = { workspace = true }
 codex-protocol = { workspace = true }
 codex-utils-absolute-path = { workspace = true }
 codex-utils-cargo-bin = { workspace = true }

codex-rs/core/tests/common/test_codex.rs

@@ -11,7 +11,6 @@ use std::time::Instant;
 use anyhow::Context;
 use anyhow::Result;
 use anyhow::anyhow;
-use codex_core::CodexAuth;
 use codex_core::CodexThread;
 use codex_core::ModelProviderInfo;
 use codex_core::ThreadManager;
@@ -23,6 +22,7 @@ use codex_core::shell::get_shell_by_model_provided_path;
 use codex_exec_server::CreateDirectoryOptions;
 use codex_exec_server::ExecutorFileSystem;
 use codex_features::Feature;
+use codex_login::CodexAuth;
 use codex_protocol::config_types::ServiceTier;
 use codex_protocol::openai_models::ModelsResponse;
 use codex_protocol::protocol::AskForApproval;

codex-rs/core/tests/common/test_codex_exec.rs

@@ -1,5 +1,5 @@
 #![allow(clippy::expect_used)]
-use codex_core::auth::CODEX_API_KEY_ENV_VAR;
+use codex_login::CODEX_API_KEY_ENV_VAR;
 use std::path::Path;
 use tempfile::TempDir;
 use wiremock::MockServer;