A Codex browser task with the verify-after-each-change loop OpenAI recommends. Reasoning: Astra Medium in Codex; Extra High only if the bug depends on visual judgment across many screens. Needs the ChatGPT desktop app: the browser is not available in Codex CLI or the IDE extension. The desktop browser asks before submitting information, purchases, permission changes or deletions; leave those confirmations on. Free template — copy and paste into ChatGPT, Claude, or Copilot.