T4 container

[niden]

Initial DI container

[Copilot]

Pull Request Overview

This PR introduces an initial Dependency Injection (DI) container implementation for the Phalcon API project.

• Implements environment management system with support for .env files through a dotenv adapter
• Creates a DI container that registers core services (cache, database connection, logger, security, etc.)
• Adds comprehensive test coverage for environment management and container functionality

Reviewed Changes

Copilot reviewed 18 out of 21 changed files in this pull request and generated 4 comments.

Show a summary per file

File	Description
src/Domain/Services/Container.php	Main DI container implementation with service registration for cache, database, logger, and other core services
src/Domain/Services/Environment/EnvManager.php	Environment variable management with support for different adapters and application configuration
src/Domain/Services/Environment/EnvFactory.php	Factory for creating environment adapters with extensible design
src/Domain/Services/Environment/Adapter/	Environment adapter interface and dotenv implementation
src/Domain/Services/Exceptions/	Custom exception classes for configuration errors
tests/Unit/Domain/Common/Services/	Comprehensive test suite for container and environment management
tests/Fixtures/Domain/	Test base classes and fixtures for unit testing
public/index.php	Entry point updated to use the new container
.github/workflows/main.yml	CI configuration updated to include code coverage and enable PHPStan
composer.json	Added test coverage commands

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