Architecture

Prepare R packages for CRAN submission by checking for common ad-hoc requirements not caught by devtools::check(). Use when: (1) Preparing a package for first CRAN release, (2) Preparing a package update for CRAN resubmission, (3) Reviewing a package to ensure CRAN compliance, (4) Responding to CRAN reviewer feedback. Covers documentation requirements, DESCRIPTION field standards, URL validation, examples, and administrative requirements.

AI language tutor for learning ANY language through conversation, vocab drills, grammar lessons, flashcards, and immersive practice. Use when the user wants to: learn a new language, practice vocabulary, study grammar, do flashcard drills, translate phrases, practice conversation, prepare for travel, learn slang/idioms, or improve pronunciation. Supports ALL languages including Spanish, French, German, Japanese, Chinese (Mandarin/Cantonese), Korean, Arabic, Hindi, Bengali/Bangla, Portuguese, Russian, Italian, Turkish, Vietnamese, Thai, Swahili, Hebrew, Polish, Dutch, Greek, and 100+ more.

Official document writing assistant for Chinese government documents based on GB/T 9704-2012 standard. Triggers when: Writing Chinese official documents (公文), formatting documents according to national standards, reviewing document compliance, or creating notices, reports, requests, replies, letters, or minutes. Commands: - /gongwen notice <topic> - Write a notice (通知) - /gongwen report <topic> - Write a report (报告) - /gongwen request <topic> - Write a request (请示) - /gongwen reply <topic> - Write a reply (批复) - /gongwen letter <topic> - Write a letter (函) - /gongwen minutes <topic> - Write meeting minutes (纪要) - /gongwen check <document> - Check document compliance - /gongwen format - Show formatting rules Capabilities: 15 document types support, GB/T 9704-2012 compliance, hierarchy numbering rules, font and layout specifications, document structure templates

Guide for implementing, configuring, and debugging React Joyride v3 guided tours. Use this skill whenever the user mentions joyride, guided tour, onboarding tour, walkthrough, tooltip tour, step-by-step guide, product tour, or wants to highlight UI elements sequentially. Also use when debugging tour issues like tooltips not appearing, targets not found, or controlled mode problems. This skill covers the useJoyride hook, Joyride component, step configuration, events, controls, custom components, and styling.

Use when writing, continuing, revising, or planning novels, characters, and fictional worlds.

Unit testing, integration testing, and test-driven development principles. Use when writing tests, reviewing test code, improving test coverage, or setting up testing strategy. Triggers on "write tests", "review tests", "testing best practices", or "TDD".