5341f135a5
hermes_constants owns the _HERMES_HOME_OVERRIDE ContextVar. Evicting it hands later imports a fresh var: a reset token taken through the old module raises, and an override set before the purge silently disappears. _reload_updated_runtime_modules already re-executes it in place before every purge, so new symbols still arrive. Caught by tests/hermes_cli/test_update_config_reload_tools_config.py on the stack.