Fix environment selection CI compile errors

Add the test-only imports and current McpServerConfig fields required by the rebased branch, and derive Debug for ResolvedTurnEnvironments so resolver error tests compile under Bazel.

Co-authored-by: Codex <noreply@openai.com>

codex-rs/core/src/environment_selection.rs

@@ -24,7 +24,7 @@ pub(crate) fn default_thread_environment_selections(
         .collect()
 }
 
-#[derive(Clone)]
+#[derive(Clone, Debug)]
 pub(crate) struct ResolvedTurnEnvironments {
     pub(crate) turn_environments: Vec<TurnEnvironment>,
 }

codex-rs/core/src/session/tests.rs

@@ -47,6 +47,7 @@ use codex_protocol::permissions::FileSystemSandboxPolicy;
 use codex_protocol::permissions::FileSystemSpecialPath;
 use codex_protocol::protocol::NonSteerableTurnKind;
 use codex_protocol::protocol::SandboxPolicy;
+use codex_protocol::protocol::TurnEnvironmentSelection;
 use codex_protocol::request_permissions::PermissionGrantScope;
 use codex_protocol::request_permissions::RequestPermissionProfile;
 use tracing::Span;

codex-rs/core/tests/suite/rmcp_client.rs

@@ -46,6 +46,7 @@ use codex_protocol::protocol::McpToolCallBeginEvent;
 use codex_protocol::protocol::Op;
 use codex_protocol::protocol::TurnEnvironmentSelection;
 use codex_protocol::user_input::UserInput;
+use codex_utils_absolute_path::PathBufExt;
 use codex_utils_cargo_bin::cargo_bin;
 use core_test_support::assert_regex_match;
 use core_test_support::remote_env_env_var;
@@ -621,6 +622,8 @@ async fn refreshed_stdio_server_uses_stored_environment_cwd() -> anyhow::Result<
             experimental_environment: remote_aware_experimental_environment(),
             enabled: true,
             required: false,
+            supports_parallel_tool_calls: false,
+            disabled_reason: None,
             startup_timeout_sec: None,
             tool_timeout_sec: None,
             default_tools_approval_mode: None,