Security hardening, build tooling, and site polish.
Added
- Domain license check — app is locked to solarbuilder.net and cannot be hosted elsewhere
- Build pipeline with JS obfuscation, CSS minification, and HTML minification
- Buy me a coffee button added to changelog page nav
- Version number shown in builder status bar — links to this changelog
- Solar Builder title in builder links back to the home page
Changed
- Changelog nav bar layout now matches the index page
- Changelog nav stretches full viewport width and uses consistent padding
- Builder sun icon updated to match the index page