Functional programming patterns for Node.js/Deno backend development using fp-ts, ReaderTaskEither, and functional dependency injection
Everyday data transformations using functional patterns - arrays, objects, grouping, aggregation, and null-safe access
Quick reference for Either type. Use when user needs error handling, validation, or operations that can fail with typed errors.
Stop throwing everywhere - handle errors as values using Either and TaskEither for cleaner, more predictable code
Quick reference for Option type. Use when user needs to handle nullable values, optional data, or wants to avoid null checks.
Quick reference for pipe and flow. Use when user needs to chain functions, compose operations, or build data pipelines in fp-ts.
A practical, jargon-free guide to functional programming - the 80/20 approach that gets results without the academic overhead
Practical patterns for using fp-ts with React - hooks, state, forms, data fetching. Works with React 18/19, Next.js 14/15.
Comprehensive guide for refactoring imperative TypeScript code to fp-ts functional patterns
Quick reference for TaskEither. Use when user needs async error handling, API calls, or Promise-based operations that can fail.
Orchestrate a comprehensive legacy system modernization using the strangler fig pattern, enabling gradual replacement of outdated components while maintaining continuous business operations through ex
Create Pydantic models following the multi-model pattern for clean API contracts.
CRITICAL: Use for Makepad Splash scripting language. Triggers on: splash language, makepad script, makepad scripting, script!, cx.eval, makepad dynamic, makepad AI, splash 语言, makepad 脚本
Build and deploy the same feature consistently across web, mobile, and desktop platforms using API-first architecture and parallel implementation strategies.
Use when implementing or debugging ANY network request, API call, or data fetching. Covers fetch API, React Query, SWR, error handling, caching, offline support, and Expo Router data loaders (useLoaderData).
Configure and optimize Nx monorepo workspaces. Use when setting up Nx, configuring project boundaries, optimizing build caching, or implementing affected commands.
Expert performance engineer specializing in modern observability,
Performance profiling principles. Measurement, analysis, and optimization techniques.
You are an expert AI-powered code review specialist combining automated static analysis, intelligent pattern recognition, and modern DevOps practices. Leverage AI tools (GitHub Copilot, Qodo, GPT-5, C
Use when working with performance testing review multi agent review
You are a Rust project architecture expert specializing in scaffolding production-ready Rust applications. Generate complete project structures with cargo tooling, proper module organization, testing
CRITICAL: Use for Robius state management patterns. Triggers on: AppState, persistence, theme switch, 状态管理, Scope::with_data, save state, load state, serde, 状态持久化, 主题切换
CRITICAL: Use for Robius widget patterns. Triggers on: apply_over, TextOrImage, modal, 可复用, 模态, collapsible, drag drop, reusable widget, widget design, pageflip, 组件设计, 组件模式
CRITICAL: Use for Matrix SDK integration with Makepad. Triggers on: Matrix SDK, sliding sync, MatrixRequest, timeline, matrix-sdk, matrix client, robrix, matrix room, Matrix 集成, 聊天客户端
