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Apply when the task requires implementing net-new behavior — features, modules, endpoints, integrations, or any additive change. Drives development through strict red-green-refactor with test-first slicing and deterministic verification.
默认使用会先检查来源的 Prompt；你也可以切换为直接命令，或下载本地副本。
决定是否安装前，请先阅读 SKILL.md，以及 SkillsMP 当前展示的配套文件。
用 Codex 或 Claude 帮你安装 复制这段 Prompt，粘贴到 Codex、Claude 或其他助手里，让它检查 Skill 页面并帮你完成安装。
直接命令不会经过审查 Prompt；运行前请先检查来源。
npx skills add https://github.com/discountry/ritmex-skills --skill tdd命令会保持在同一行。复制前请横向滚动并检查完整内容。
想先保存到本地？可下载 SkillsMP 当前能够提供的文件。
Continue the latest unfinished coding task from the opposite local agent using native Claude Code or Codex session history plus a deterministic snapshot of the current Git branch, status, and diffs. Use when the user invokes agent-handoff or asks to hand off, take over, resume, or continue work between Claude Code and Codex in the current directory. In Claude Code, take over Codex work; in Codex or any other agent, take over Claude Code work. Uses bundled deterministic scripts; requires no session ID, CLAUDE.md, AGENTS.md, handoff file, worktree, or branch change.
Write, review, and debug `useEffect` correctly. Use whenever touching React code that contains an Effect — authoring a new one, reviewing a diff that includes one, or debugging symptoms like a spinner that never resolves, UI stuck in a loading/pending/verifying phase, a button permanently disabled, an Effect that fires twice or loops forever, a fetch race condition, a cleanup that cancels the wrong request, a stale closure reading old props/state, or a `react-hooks/exhaustive-deps` warning. Also use for setInterval / setTimeout / subscriptions / AbortController inside Effects, StrictMode double-invocation questions, multi-step async flows and state machines driven by Effects, and any .tsx/.jsx/.ts/.js file where `useEffect`, `useLayoutEffect`, or a custom hook wrapping them appears.
Generate a complete DESIGN.md design-system specification at the root of the current project, synthesized from whatever material is available — a written description, UI screenshots, one or more live website URLs, code snippets, a reference brand, or the project's own codebase (CSS variables, Tailwind config, theme files, component styles). Use whenever the user asks to create or update a DESIGN.md, document or extract a design system, pull design tokens out of code, screenshots, or a website ("照着这个网站生成设计规范"), "写一份设计规范 / 生成设计文档", wants their UI to follow a named brand's look (e.g. "make it feel like Stripe/Linear/Vercel"), or needs a machine-readable token spec (colors / typography / spacing / radius / components) so future UI work stays consistent.
基于 SOC 职业分类
正在显示 SKILL.md
| name | tdd |
| description | Apply when the task requires implementing net-new behavior — features, modules, endpoints, integrations, or any additive change. Drives development through strict red-green-refactor with test-first slicing and deterministic verification. |
Strict red-green-refactor for all net-new behavior. Test-first, one behavior slice at a time.
Per behavior slice, execute the canonical red-green-refactor loop:
