Convert all server/, test, and setup files from require()/module.exports
to import/export syntax. Activate ESM globally via "type": "module" in
package.json and load dotenv via --import dotenv/config in npm scripts.
Replace all — with - in all source files (JS, CSS, HTML, JSON,
Markdown) for consistency and readability.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Ulas