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This skill helps users get started with existing (brownfield) projects by scanning the codebase, documenting structure and purpose, analyzing architecture and technical stack, identifying design...

Build full-stack applications with Supabase (PostgreSQL, Auth, Storage, Real-time, Edge Functions). Use when implementing authentication, database design with RLS, file storage, real-time...

Generates tests from features.json test criteria with multi-framework support, coverage analysis, and features.json integration.

Terminal UI構築、CLI開発支援、開発ツール統合（Linter/テストランナー/ビルドツール）。コマンドライン体験の設計・実装が必要な時に使用。言語非依存でNode.js/Python/Go/Rustをサポート。

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Autonomous coding agent that breaks features into small user stories and implements them iteratively with fresh context per iteration. Use when asked to: build a feature autonomously, create a...