feat!: restructure wb command

[exKAZUu]

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[gemini-code-assist]

Summary of Changes

Hello @exKAZUu, I'm Gemini Code Assist¹! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request introduces a substantial refactoring of the wb command-line tool's internal command execution architecture. The primary goal is to enhance the maintainability and robustness of start and test commands across various project types. This is achieved by centralizing common logic, making command execution asynchronous, and implementing more explicit and reliable port and Docker container management. The changes streamline how different project frameworks integrate with the wb tool, leading to a cleaner and more consistent command definition.

Highlights

• Command Restructuring: The core command execution logic for start and test operations has been significantly refactored and centralized within the BaseScripts class, promoting code reuse and consistency across different project types.
• Asynchronous Command Execution: Many start and testE2E related commands are now asynchronous, allowing for more robust handling of setup and teardown processes, including port and Docker container management.
• Improved Port and Docker Management: Dedicated utility functions (checkAndKillPortProcess, killPortContainerAndProcess) have been introduced to reliably manage and terminate processes on specific ports, including Docker containers, before starting new ones.
• Environment Variable Handling Simplification: Direct environment variable prefixes (e.g., WB_ENV=...) have been removed from many script strings, suggesting a more centralized or implicit handling mechanism within the wb tool.
• Project-Specific Script Simplification: Project-specific script classes (Blitz, HTTP Server, Next.js, Remix, Plain App) have been simplified by delegating common logic to the refactored BaseScripts, reducing redundancy and improving maintainability.

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[gemini-code-assist]

Code Review

このプルリクエストは、wb コマンドの構造をリファクタリングするもので、素晴らしい改善だと感じました。BaseScripts クラスに共通ロジックを集約することで、コードの重複が大幅に削減され、保守性が向上しています。特に、各スクリプトクラス (blitzScripts, nextScripts など) が非常にシンプルになり、見通しが良くなりました。環境変数やポートのプロセス管理に関する処理も一元化され、より堅牢になっています。全体として非常によくできたリファクタリングですが、1点だけ軽微な修正点を提案させていただきます。