Shared functionality for MatesOfMate extensions.

• ProcessExecutorInterface - Interface for process execution
• ProcessExecutor - Concrete class for running CLI tools with PHP binary reuse capability
• ProcessResult - DTO for process execution results (exitCode, output, errorOutput)

• ConfigurationDetectorInterface - Interface for config file detection
• ConfigurationDetector - Concrete class for detecting configuration files in project root

• MessageTruncatorInterface - Interface for message truncation
• MessageTruncator - Concrete class for token-efficient output with prefix removal and class name shortening

# Install dependencies
composer install

# Run tests
composer test

# Check code quality
composer lint

# Fix code style
composer fix

MIT