RnetCookieAdapter stores cookies by domain, path and name and sends path, secure and a leading-dot domain to rnet. It also takes server-rotated values, and worker children and track sessions get the cookies with their paths.
--proxy now overrides HTTP(S)_PROXY and the Windows system proxy while keeping the env CA bundle. Core fallback sessions use the run's proxy, and a warn-only audit hook names service code that sends a request or opens a raw socket outside the proxy; a session with proxy_exempt = True opts out.
Assert that verify, params, cert and auth reach a spawned child, and that a mounted adapter the child cannot reproduce falls back to the single-process path. Documents --download-processes in the CLI reference.