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+# CLAUDE.md - Exchanges App
+
+## Project Overview
+iOS cryptocurrency exchanges app using CoinMarketCap API. Displays exchange listings with pagination and detail views. Built with UIKit, Swift 6, targeting iOS 15+.
+
+## Build System
+- **Tuist** for project generation and modular architecture
+- `make local-setup` - Install Brew and Ruby dependencies
+- `make generate-project` - Generate Xcode workspace via Tuist
+- Requires `.env` file with `TUIST_CM_API_BASE_URL` and `TUIST_CM_API_KEY`
+
+## Project Structure (TMA - Two-Module Architecture)
+```
+Projects/
+├── App/              # Main app target (AppDelegate, SceneDelegate, AppCoordinator, DI assemblies)
+├── Home/             # Feature: exchange list with pagination
+├── Detail/           # Feature: exchange detail view
+├── DependencyInjection/  # Shared DI container (Swinject wrapper)
+├── DesignSystem/     # Reusable UI components, styles, design tokens
+└── Navigation/       # Coordinator protocols and navigation interfaces
+```
+
+Each module follows:
+```
+Module/
+├── Sources/          # Implementation
+├── Tests/            # Unit tests
+├── Interfaces/       # Public protocols/contracts
+├── Testing/          # Shared test doubles (optional)
+├── Resources/        # Assets, localization
+└── Project.swift     # Tuist module definition
+```
+
+## Architecture: MVVM-C
+- **Coordinators** manage navigation flow and VC instantiation (AppCoordinator → HomeCoordinator → DetailCoordinator)
+- **ViewModels** are `@MainActor`, protocol-based, use delegates for state updates, async/await for network
+- **ViewControllers** are thin - only layout and user interaction, programmatic UI (no storyboards)
+- **Services** are protocol-based with endpoint abstraction
+- **DI** via Swinject with Assembly pattern and `SharedContainer` singleton
+
+### Source Organization per Module
+```
+Sources/
+├── Coordinator/      # Navigation flow
+├── ViewModel/        # Business logic
+├── View/             # UI controllers
+├── Service/          # API/data layer
+├── Endpoints/        # API endpoint definitions
+├── Model/            # Data models and state enums
+└── Protocols/        # Public interfaces
+```
+
+## Dependencies
+- **Swinject** (2.9.1+) - Dependency injection
+- **SnapshotTesting** (1.18.9+) - UI snapshot tests
+- **networking-package** (1.1.0+) - Custom networking abstraction
+- **SwiftLint** - Linting (via Homebrew)
+- **Fastlane** - Test automation and coverage
+- **Slather** - Code coverage reports
+- **Danger** - PR review automation
+
+## Testing
+- **Swift Testing framework** (not XCTest) - uses `@Suite`, `@Test`, `#expect()` macros
+- **Spy/Mock pattern** in `Module/Tests/Doubles/` - tracks called methods via `calledMethods`
+- **Shared test doubles** in `Module/Testing/` exported as separate framework
+- **Snapshot tests** for DesignSystem components using `assertSnapshot(of:as:)`
+- **`makeSut()` factory pattern** for test setup
+- **Coverage target: 80%** - Danger warns on PRs below this threshold
+
+### Running Tests
+```bash
+fastlane tests target:App
+fastlane tests_coverage target:App
+```
+
+## Coding Conventions
+- Swift 6 with async/await concurrency
+- `@MainActor` on UI-related types (ViewModels, Coordinators)
+- `final class` where inheritance not needed
+- Protocol-driven design with explicit access control
+- Weak delegates to prevent retain cycles
+
+### Naming
+- Feature-prefixed types: `HomeViewModel`, `HomeCoordinator`, `HomeViewController`
+- Protocol suffix: `HomeViewModelProtocol`, `HomeServiceProtocol`
+- Coordinating protocols: `HomeCoordinating`
+- Delegate suffix: `HomeViewModelDelegate`, `HomeViewModelCoordinatorDelegate`
+- Assembly suffix: `NetworkAssembly`, `CoordinatorAssembly`
+- State enums: lowercase cases (`.loading`, `.empty`, `.error`)
+- Bundle IDs: `com.vrc.{modulename}`
+
+### File Headers
+```swift
+//
+//  FileName.swift
+//  ModuleName
+//
+//  Created by Vitor Conceicao.
+//
+//  github.com/vitor-rc1
+//
+```
+
+## CI/CD
+- **GitHub Actions** on PRs: path-filtered test matrix per module, coverage reporting via Danger
+- **Dangerfile** parses Cobertura XML, posts coverage tables to PRs
+- SwiftLint runs as build phase on each target