Design application and API behavior when operations fail. Choose between exceptions and Result types, which explicitly represent success or failure, and improve retries, error messages, logging, and resource cleanup so failures are easier to handle and investigate.
Manage complex Git histories with guidance for reorganizing commits, copying selected changes between branches, and finding bug-introducing commits. It also covers working on multiple branches at once and recovering lost commits through Git's reference history.
Set up and maintain a monorepo, a single repository containing multiple apps and packages. Use Turborepo, Nx, and pnpm workspaces to organize shared code, manage dependencies, improve builds, and plan package releases.
Check ten recurring problems before or during machine learning runs on NVIDIA DGX Spark. Diagnose startup failures, out-of-memory errors, and falling throughput, with guidance on compatible environments, resource use, numeric formats, and training across two devices.
Combine vector search, which finds similar meanings, with keyword search for exact terms. Design retrieval for search engines and RAG systems that supply reference material to AI, using methods to merge and rerank results.
Plan GDPR data handling for systems processing EU personal data. Review consent, requests from people to access or delete their data, collection limits, retention, encryption, and access controls as part of system design and compliance reviews.
Plan memory use and monitor long training jobs on NVIDIA DGX Spark. It guides troubleshooting for out-of-memory failures, tracks temperature and power alongside training logs, and helps assess competition between training and inference workloads.
Draft employment contracts, job offer letters, employee handbooks, and HR policies. The skill helps organize consistent employment documents around worker classifications and local requirements, with templates intended for customization and review by qualified legal counsel.
Build a consistent interface foundation with Tailwind CSS v4 using shared design values and reusable components. Covers responsive layouts, dark mode, accessibility, and component variations to help standardize UI patterns across a codebase.
Create technical documentation that people and AI can navigate by separating facts, context, known bugs, and uncertain claims. Convert existing Markdown to HADS, a structured documentation format, and check its required elements.
Build and review C#/.NET APIs and business backends using concrete implementation patterns. Cover asynchronous operations, service dependencies, database access, configuration, caching, and tests to structure application code and examine quality and performance issues.
Choose and implement ways to manage data in React apps, from values held by individual components to shared data and cached server responses. Covers Redux Toolkit, Zustand, Jotai, and React Query, including migration from legacy Redux.
Build game systems in Godot 4 using GDScript patterns for player movement, health, event signals, and scene organization. Use the architectural guidance to plan game state management and performance improvements while learning practical coding conventions.
Design and improve Unity games that process large numbers of entities. Learn ECS, an approach that separates data from behavior, and apply Jobs and Burst patterns to organize parallel processing and address CPU performance bottlenecks.
Guides Kubernetes security configuration with network restrictions, Pod execution rules, and role-based access control. Use its configuration examples to separate workloads, limit permissions, and enforce deployment requirements across a cluster.
Choose embedding models, which represent text as numerical vectors, for meaning-based search and RAG applications. Compare options for code, prose, and multilingual content, and plan document splitting, preprocessing, caching, and dimension reduction to improve retrieval quality.
Build AI applications that answer questions using retrieved documents. Covers vector databases, text embeddings that represent meaning as numbers, search strategies, and result reranking to connect language models with external knowledge.
Investigate bugs and slow applications through reproducible examples, logs, environment comparisons, and hypothesis testing. The skill structures root cause analysis and performance measurement, helping developers narrow down failures and verify that a fix works.
Set up and organize an Nx monorepo, a shared repository for multiple applications and libraries. Define dependency boundaries, configure build caching, and use affected commands to focus CI tasks on projects impacted by changes.
Configure Turborepo builds for projects containing multiple apps and shared packages. Set task dependencies, reuse saved build outputs locally or remotely, limit runs to affected packages, and investigate why cached results are not being reused.
Set up machine learning training and inference on NVIDIA DGX Spark. Get guidance on choosing containers and packages, resolving CUDA compatibility errors, and checking that PyTorch can access the GPU before starting a workload.
Write and maintain Architecture Decision Records (ADRs), documents explaining important technical choices. Capture the context, options, decision, and consequences, then organize records and track their status so teams can revisit the reasoning.
Modernize existing React applications through version upgrades and migration from class components to Hooks, functions for state and lifecycle behavior. Includes React 18 rendering APIs, grouped state updates, and features for prioritizing interface updates.
Build and maintain a Markdown knowledge store with source links for individual claims. Use Git checks to detect changes in the code a page describes, and archive outdated pages while preserving their history.
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