Claude Skills by creator-hian

Dual-AI engineering loop orchestrating Claude Code (planning/implementation) and Codex (validation/review). Use when (1) complex feature development requiring validation, (2) high-quality code with security/performance concerns, (3) large-scale refactoring, (4) user requests codex-claude loop or dual-AI review. Do NOT use for simple one-off fixes or prototypes.

OpenAI Codex CLI fundamentals for code analysis, review, and validation. Use when (1) executing codex commands for code review/analysis, (2) configuring models (gpt-5.2-codex/gpt-5.2/gpt-5.1-codex-max/codex-mini), sandbox modes (read-only/workspace-write), or reasoning effort (low/medium/high/xhigh), (3) managing Codex sessions with resume, (4) integrating Codex into automation scripts. Do NOT use for orchestration patterns (use codex-claude-loop instead).

Modern C# asynchronous programming patterns using async/await, proper CancellationToken usage, and error handling in async code. Use when guidance needed on async/await best practices, Task composition and coordination, ConfigureAwait usage, ValueTask optimization, or async operation cancellation patterns. Pure .NET framework patterns applicable to any C# application.

C# code style and naming conventions based on POCU standards. Covers naming rules (mPascalCase for private, bBoolean prefix, EEnum prefix), code organization, C# 9.0 patterns. Use PROACTIVELY for C# code reviews, refactoring, or establishing project standards.

C# XML documentation with on-demand Haiku→Expert Review→Final workflow. Flexible Korean/English language support. Use when documenting C# APIs, properties, methods, classes, and interfaces.

Dual-AI engineering loop orchestrating Claude Code (planning/implementation) and Gemini (validation/review). Use when (1) complex feature development requiring validation, (2) high-quality code with security/performance concerns, (3) large-scale refactoring, (4) user requests gemini-claude loop or dual-AI review. Do NOT use for simple one-off fixes or prototypes.

Google Gemini CLI fundamentals for code analysis, review, and validation. Use when (1) executing gemini commands for code review/analysis, (2) configuring models (gemini-3-flash-preview (default)/gemini-3-pro-preview (complex only)), output formats (text/json/stream-json), or sandbox modes, (3) managing Gemini sessions with /chat save/resume, (4) integrating Gemini into automation scripts and CI/CD pipelines. Do NOT use for orchestration patterns (use gemini-claude-loop instead).

Handle Unity's asynchronous programming patterns including coroutines, async/await, and Job System. Masters Unity's main thread restrictions and threading models. Use when guidance needed on Unity async operations, coroutine optimization, or parallel processing in Unity context.

Unity Collection Pool expert for GC-free collection management using ListPool, DictionaryPool, HashSetPool, and ObjectPool. Masters memory optimization, pool sizing, and allocation-free patterns. Use PROACTIVELY for collection allocations, GC pressure reduction, temporary list/dictionary usage, or performance-critical code paths.

Unity C# fundamental patterns including TryGetComponent, SerializeField, RequireComponent, and safe coding practices. Essential patterns for robust Unity development. Use PROACTIVELY for any Unity C# code to ensure best practices.

Optimize Unity games for mobile platforms with IL2CPP, platform-specific code, and memory management. Masters iOS/Android deployment, app size reduction, and battery optimization. Use for mobile builds, platform issues, or device-specific optimization.

Implement multiplayer games with Unity Netcode, Mirror, or Photon. Masters client-server architecture, state synchronization, and lag compensation. Use for multiplayer features, networking issues, or real-time synchronization.

Optimize Unity game performance through profiling, draw call reduction, and resource management. Masters batching, LOD, occlusion culling, and mobile optimization. Use for performance bottlenecks, frame rate issues, or optimization strategies.

R3 (Reactive Extensions) library expert specializing in modern reactive programming patterns, event-driven architectures, and Observable streams. Masters R3-specific features, async enumerable integration, and Unity-optimized reactive patterns. Use PROACTIVELY for R3 implementation, reactive programming, or MVVM/MVP architecture.

Unity Test Framework CLI automation and test writing patterns. Masters batchmode execution, NUnit assertions, EditMode/PlayMode testing, and TDD workflows. Use PROACTIVELY for test automation, CI/CD pipelines, or test-driven development in Unity.

TextMeshPro (TMPro) expert for Unity text rendering with advanced typography, performance optimization, and professional text effects. Masters font asset creation, dynamic fonts, rich text formatting, material presets, and text mesh optimization. Use PROACTIVELY for text rendering, font management, localization text, UI text performance, or text effects implementation.

Build and optimize Unity UI with UI Toolkit and UGUI. Masters responsive layouts, event systems, and performance optimization. Use for UI implementation, Canvas optimization, or cross-platform UI challenges.

UniRx (Reactive Extensions) library expert for legacy Unity projects. Specializes in UniRx-specific patterns, Observable streams, and ReactiveProperty. Use for maintaining existing UniRx codebases. For new projects, use unity-r3 skill instead.

VContainer dependency injection expert specializing in IoC container configuration, lifecycle management, and Unity-optimized DI patterns. Masters dependency resolution, scoped containers, and testable architecture design. Use PROACTIVELY for VContainer setup, service registration, or SOLID principle implementation.