Update Jest configuration to include TypeScript support and add new code quality checks workflow; translate comments to Russian and adjust paths in test files.

server/routers/procurement/routes/buyProducts.js

@@ -37,6 +37,7 @@ const storage = multer.diskStorage({
     const originalExtension = path.extname(fixedName) || '';
     const baseName = path
       .basename(fixedName, originalExtension)
+      // eslint-disable-next-line no-control-regex
       .replace(/[<>:"/\\|?*\x00-\x1F]+/g, '_'); // Убираем только недопустимые символы Windows, оставляем кириллицу
     cb(null, `${Date.now()}_${baseName}${originalExtension}`);
   },