productivity▌

A principled approach to building reliable, scalable, and maintainable data systems. Apply these principles when choosing databases, designing schemas, architecting distributed systems, or reasoning about consistency and fault tolerance.

Use ONLY when user says "search", "find", "look up", "ask", "research", or "what's the latest" for generic queries. NOT for library/framework docs (use Context7), gt CLI (use Graphite MCP), or workspace questions (use Nx MCP).

在使用此技能之前，请确保已安装必要的依赖包：

File uploads, downloads, and secure access with Firebase Cloud Storage. \n \n Supports client-side uploads with progress tracking, resumable uploads for large files, and base64/data URL uploads; server-side operations via Admin SDK including signed URL generation \n Includes file management capabilities: delete, list with pagination, update metadata, and retrieve file information \n Provides security rules templates for user-private, public, and role-based access patterns; requires CORS configur

Guides Privacy Policy page content, structure, and compliance.

This skill provides a complete guide for getting started with Cloud Firestore, including provisioning, securing, and integrating it into your application.

Comprehensive guide for evaluating iOS, macOS, tvOS, watchOS, and visionOS app code against Apple's App Store Review Guidelines. This skill covers EVERY guideline point to identify potential rejection issues before submission.

Vision-driven iOS automation using natural language commands and screenshot analysis. \n \n Operates entirely from screenshots without requiring DOM access or accessibility labels; can interact with any visible UI element regardless of technology stack \n Requires a configured vision model (Gemini, Qwen, Doubao, or similar) via environment variables for AI-powered screen understanding and action execution \n Follows a synchronous workflow: connect device, take screenshot, execute actions via nat

Triage assumptions using an Impact × Risk matrix and suggest targeted experiments.

VS Code runs a hygiene check as a git pre-commit hook. Commits will be rejected if hygiene fails.