codex: fix CI failure on PR #29602

codex-rs/app-server/tests/common/config.rs

@@ -101,6 +101,7 @@ model_provider = "mock_provider"
 name = "Mock provider for test"
 base_url = "{server_uri}/v1"
 wire_api = "responses"
+namespace_tools = true
 request_max_retries = 0
 stream_max_retries = 0
 "#

codex-rs/core/src/tools/spec_plan_tests.rs

@@ -883,7 +883,7 @@ async fn namespace_tools_disabled_rejects_flat_alias_collision_with_plain_tool()
         },
         ToolPlanInputs {
             dynamic_tools: vec![dynamic_tool(
-                None,
+                /*namespace*/ None,
                 "agents__spawn_agent",
                 // This plain runtime is not discoverable with search disabled,
                 // but its exact registry name would still steal the alias.