Development

This skill should be used when comparing two videos to analyze compression results or quality differences. Generates interactive HTML reports with quality metrics (PSNR, SSIM) and frame-by-frame visual comparisons. Triggers when users mention "compare videos", "video quality", "compression analysis", "before/after compression", or request quality assessment of compressed videos.

Comprehensive data analysis skill for CSV files using Python and pandas

Finds and recovers content from Claude Code session history files. This skill should be used when searching for deleted files, tracking changes across sessions, analyzing conversation history, or recovering code from previous Claude interactions. Triggers include mentions of "session history", "recover deleted", "find in history", "previous conversation", or ".claude/projects".

Generate pytest test cases for Python functions and classes

Extracts Mermaid diagrams from markdown files and generates high-quality PNG images using bundled scripts. Activates when working with Mermaid diagrams, converting diagrams to PNG, extracting diagrams from markdown, or processing markdown files with embedded Mermaid code.

Creates educational Teams channel posts for internal knowledge sharing about Claude Code features, tools, and best practices. Applies when writing posts, announcements, or documentation to teach colleagues effective Claude Code usage, announce new features, share productivity tips, or document lessons learned. Provides templates, writing guidelines, and structured approaches emphasizing concrete examples, underlying principles, and connections to best practices like context engineering. Activates for content involving Teams posts, channel announcements, feature documentation, or tip sharing.

Analyzes task essence and selects appropriate skills. Returns scale estimates and metadata. Use when starting tasks or selecting skills.

フロントエンドの環境変数、コンポーネント設計、データフローを定義。React環境設定時に使用。

Applies type safety and error handling rules. Enforces no-any policy and type guards. Use when implementing TypeScript or reviewing types.

Applies Vitest test design and quality standards. Provides coverage requirements and mock usage guides. Use when writing unit tests.

実装戦略（垂直スライス、水平、ハイブリッド）をリスク評価で選択。機能の実装計画時に使用。

Defines frontend environment variables, component design, and data flow patterns. Use when configuring React environment.

Detects code smells, anti-patterns, and readability issues. Use when implementing features, reviewing code, or refactoring.

型安全性とエラーハンドリングルールを適用。any禁止、型ガード必須。TypeScript実装、型定義レビュー時に使用。

React Testing LibraryとMSWでテストを設計。コンポーネントテストパターンを適用。

Build Canvas Android apps (Student, Teacher, Parent) using Gradle. Use when user mentions building, compiling, assembling, or making the app. Provides commands for dev, qa, and prod build variants.

React/TypeScriptの型安全性、コンポーネント設計、状態管理ルールを適用。Reactコンポーネント実装時に使用。

Run unit tests and instrumentation tests for Canvas Android apps. Use when user mentions testing, running tests, JUnit, Espresso, or checking test results. Includes commands for Student, Teacher, and Parent apps.

Install and deploy Canvas Android apps to connected devices or emulators using adb and Gradle. Use when user mentions installing, deploying, running on device, launching app, or working with emulators.

Vitestテスト設計と品質基準を適用。カバレッジ要件とモック使用ガイドを提供。ユニットテスト作成時に使用。