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Canonical spec format for agent-driven development. Load when writing or reading a spec.

Question cadence for structured discovery. Load when a brief is ambiguous and a spec needs to be written.

INVOKE THIS SKILL when the user asks to "oi", "send message to another session", "check messages", "register session", "who is online", "inter-session messaging", or wants to communicate between Claude Code sessions.

Use when the user asks to release, cut, prepare, tag, or publish a new version of brr. Handles SemVer release prep and publishing for this GoReleaser project, including CHANGELOG promotion, required checks, release commits, annotated tags, GitHub Releases, and Homebrew tap updates. Requires explicit approval before externally visible publishing such as pushing commits/tags or running a live GoReleaser release.

This skill should be used when the user asks to "release", "cut a release", "publish a new version", "bump and release", "ship a version", "tag a release", or wants to create a new versioned release of vesper.

Drive cmux from natural language — spawn, prompt, read, and tear down its windows, workspaces, panes, and surfaces, and orchestrate the agent sessions (Claude Code, Codex, pi, fable) running inside them. Use whenever a prompt asks to open, inspect, drive, or close cmux surfaces or run agents in them.

Use for spec-driven Codex work on non-trivial features: draft and validate specs, review implementations against acceptance criteria, capture reusable solution docs, and refresh stale solution knowledge. Trigger when the user asks for flywheel, specs, acceptance review, implementation-vs-spec review, or compounding learnings.