- home: map 9/12 gallery items to real filenames (Wohnzimmer-1 -> wohnzimmer2.png, Badezimmer-1 -> Bad.jpg, etc.); remove 3 items whose source images are missing - home: hero-bg.jpg -> Außenansicht-2.webp (file exists) - home: floorplan image -> /bilder/grundrisse/<name>.png (subdir + correct name) - layout: og:image fallback Aussenansicht-2.webp (ASCII) -> Außenansicht-2.png (UTF-8) - layout: hero-bg.jpg fallback -> Außenansicht-2.png (UTF-8) - Controller::render(): add $forceLocale param for legal pages - ImpressumController / DatenschutzController: force 'de' (TMG §5 / GDPR) so <html lang=de> is emitted regardless of cookie
- Add composer.json with PHPUnit 11 and PSR-4 autoloading - Add phpunit.xml configuration - Rename app/core/ → app/Core/ and app/controllers/ → app/Controllers/ (PSR-4) - Add 18 unit tests for App\Core\Router (31 assertions) - addRoute(): default action, custom action, overwrite - dispatch(): URL normalization, direct match, legacy redirects - dispatch(): 404 handling, controller/action not found exceptions - TestableRouter subclass to intercept side-effects - Update .gitignore (vendor/, .phpunit.cache/)