Browser Pane
Open a URL (web page, localhost dev server, dashboard) in the cmux right-side browser pane. Use whenever the user asks to open/show/preview a URL or a local server (e.g. "이 사이트 오른쪽에 띄워줘", "localhost:3000 보여줘", a dev server or wiki you just started). Reuses a single browser pane per workspace. Only meaningful inside a cmux session; a no-op elsewhere.
Doc Preview Pane
Render a markdown document in the cmux right-side preview pane. Use right after you write or substantially update an architecture, design, or implementation-plan markdown doc (e.g. docs/superpowers/specs/*, docs/superpowers/plans/*, ARCHITECTURE.md, *-design.md, *-plan.md), or whenever the user asks to view/show/render a doc in the side pane. Only meaningful inside a cmux session; it is a no-op e…
Codex Failover
When a Claude agent, subagent, or Workflow is blocked by any error — API/rate-limit/5xx/overloaded/terminal model error, classifier or cybersecurity block, refusal, or tool failure — fall back UNCONDITIONALLY to Codex (codex:codex-rescue, model gpt-5.5, effort xhigh, write-capable) to continue the same work to completion so its result flows back into the workflow's aggregation and the orchestrati…