chore: import upstream snapshot with attribution

cli-tool/components/commands/game-development/unity-project-setup.md

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+---
+allowed-tools: Read, Write, Edit, Bash
+argument-hint: [project-name] | --2d | --3d | --mobile | --vr | --console
+description: Use PROACTIVELY to set up professional Unity game development projects with industry-standard structure, essential packages, and platform-optimized configurations
+---
+
+# Unity Project Setup & Development Environment
+
+Initialize professional Unity game development project: $ARGUMENTS
+
+## Current Unity Environment
+
+- Unity version: !`unity-editor --version 2>/dev/null || echo "Unity Editor not found"`
+- Current directory: !`pwd`
+- Available templates: !`find . -name "*.unitypackage" 2>/dev/null | wc -l` Unity packages
+- Git status: !`git status --porcelain 2>/dev/null | wc -l` uncommitted changes
+- System info: !`system_profiler SPSoftwareDataType | grep "System Version" 2>/dev/null || uname -a`
+
+## Task
+
+Set up a complete Unity project with professional development environment and platform-specific optimizations.
+
+## What it creates:
+
+### Project Structure
+```
+Assets/
+├── _Project/
+│   ├── Scripts/
+│   │   ├── Managers/
+│   │   ├── Player/
+│   │   ├── UI/
+│   │   ├── Gameplay/
+│   │   └── Utilities/
+│   ├── Art/
+│   │   ├── Textures/
+│   │   ├── Materials/
+│   │   ├── Models/
+│   │   └── Animations/
+│   ├── Audio/
+│   │   ├── Music/
+│   │   ├── SFX/
+│   │   └── Voice/
+│   ├── Prefabs/
+│   │   ├── Characters/
+│   │   ├── Environment/
+│   │   ├── UI/
+│   │   └── Effects/
+│   ├── Scenes/
+│   │   ├── Development/
+│   │   ├── Production/
+│   │   └── Testing/
+│   ├── Settings/
+│   │   ├── Input/
+│   │   ├── Rendering/
+│   │   └── Audio/
+│   └── Resources/
+├── Plugins/
+├── StreamingAssets/
+└── Editor/
+    ├── Scripts/
+    └── Resources/
+```
+
+### Essential Packages
+- Universal Render Pipeline (URP)
+- Input System
+- Cinemachine
+- ProBuilder
+- Timeline
+- Addressables
+- Unity Analytics
+- Version Control (if available)
+
+### Project Settings
+- Optimized quality settings for target platforms
+- Input system configuration
+- Physics settings
+- Time and rendering configurations
+- Build settings for multiple platforms
+
+### Development Tools
+- Code formatting rules (.editorconfig)
+- Git configuration with Unity-optimized .gitignore
+- Assembly definition files for better compilation
+- Custom editor scripts for workflow improvement
+
+### Version Control Setup
+- Git repository initialization
+- Unity-specific .gitignore
+- LFS configuration for large assets
+- Branching strategy documentation
+
+## Usage:
+
+```bash
+npx claude-code-templates@latest --command unity-project-setup
+```
+
+## Interactive Options:
+
+1. **Project Type Selection**
+   - 2D Game
+   - 3D Game
+   - Mobile Game
+   - VR/AR Game
+   - Hybrid (2D/3D)
+
+2. **Target Platforms**
+   - PC (Windows/Mac/Linux)
+   - Mobile (iOS/Android)
+   - Console (PlayStation/Xbox/Nintendo)
+   - WebGL
+   - VR (Oculus/SteamVR)
+
+3. **Version Control**
+   - Git
+   - Plastic SCM
+   - Perforce
+   - None
+
+4. **Additional Packages**
+   - TextMeshPro
+   - Post Processing
+   - Unity Ads
+   - Unity Analytics
+   - Unity Cloud Build
+   - Custom package selection
+
+## Generated Files:
+
+### Core Scripts
+- `GameManager.cs` - Main game controller
+- `SceneLoader.cs` - Scene management system
+- `AudioManager.cs` - Audio system controller
+- `InputManager.cs` - Input handling system
+- `UIManager.cs` - UI system manager
+- `SaveSystem.cs` - Save/load functionality
+
+### Editor Tools
+- `ProjectSetupWindow.cs` - Custom editor window
+- `SceneQuickStart.cs` - Scene setup automation
+- `AssetValidator.cs` - Asset validation tools
+- `BuildAutomation.cs` - Build pipeline helpers
+
+### Configuration Files
+- `ProjectSettings.asset` - Optimized project settings
+- `QualitySettings.asset` - Multi-platform quality tiers
+- `InputActions.inputactions` - Input system configuration
+- `AssemblyDefinitions` - Modular compilation setup
+
+### Documentation
+- `README.md` - Project overview and setup instructions
+- `CONTRIBUTING.md` - Development guidelines
+- `CHANGELOG.md` - Version history template
+- `API_REFERENCE.md` - Code documentation template
+
+## Post-Setup Checklist:
+
+- [ ] Review and adjust quality settings for target platforms
+- [ ] Configure input actions for your game controls
+- [ ] Set up build configurations for all target platforms
+- [ ] Review folder structure and rename as needed
+- [ ] Configure version control and make initial commit
+- [ ] Set up continuous integration if required
+- [ ] Configure analytics and crash reporting
+- [ ] Review and customize coding standards
+
+## Platform-Specific Configurations:
+
+### Mobile
+- Touch input configuration
+- Performance optimization settings
+- Battery usage optimization
+- App store submission setup
+
+### PC
+- Multi-resolution support
+- Keyboard/mouse input setup
+- Graphics options menu template
+- Windows/Mac/Linux build configs
+
+### Console
+- Platform-specific input mapping
+- Achievement/trophy integration setup
+- Online services configuration
+- Certification requirement templates
+
+This command creates a production-ready Unity project structure that scales from prototype to shipped game, following industry best practices and Unity's recommended patterns.