Codex updates: goal mode, browser improvements, remote locked use, admin analytics, and plugin sharing status

Codex now includes Appshots in the macOS app, Goal mode is generally available, in-app browser annotations support more precise styling feedback, locked computer use lets users keep Codex working remotely after the Mac locks, browser-use improvements add advanced annotation mode and faster asset extraction, global admin console now includes Codex analytics, and plugin sharing lets teams share locally built plugins. Plugin sharing is disabled by default for ChatGPT Enterprise.