Refactored code to use `server_id` in place of `server` across various modules to improve clarity and consistency. Updated database migrations, schema definitions, API documentation, and templates accordingly. Additionally, fixed related issues in the backup creation and management logic.
Refactor multiple files to correct spacing issues, including extra blank lines, misaligned parameters, and inconsistent indentation. These changes improve code readability and maintain coding standards without altering functionality.
Removed the `check_version.html` template and moved version checking to `script.js`. This refactoring simplifies the codebase by consolidating version check handling into JavaScript, removing deprecated HTML templates, and enhancing the backend logic and API routes.