Add standalone form page template that bypasses the theme, with admin
setting and auto-creation on plugin activation. Fix reCAPTCHA v3 double
submission, remove jQuery dependency, extend localized JS strings, and
overhaul form CSS/JS. Update milestone audit to PASSED (9/9, 10/10, 5/5).
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
- Update text domain from 'umzugsliste' to 'siegel-umzugsliste' in plugin header
- Add siegel_umzugsliste_load_textdomain() function hooked on init priority 1
- Add change_locale hook to reload text domain (workaround for WP core bug #39210)
- Text domain loading enables translation file support in languages/ directory
- Settings class with singleton pattern
- Registered 5 settings: receiver_email, captcha_provider, captcha_site_key, captcha_secret_key, thankyou_url
- Proper sanitization callbacks for each setting type
- Helper method get_option() for clean API access
- Integrated with admin menu structure
- CPT init hook was being added from within parent init hook
- Changed to call register_post_type() directly from main init
- Removed redundant hook from CPT constructor
- Fixes CPT not registering on plugin activation
- WordPress plugin header with proper metadata
- Plugin version constants and paths
- Main Umzugsliste class with singleton pattern
- Activation/deactivation hooks with flush_rewrite_rules
- Autoloader for includes/ directory
- Init hook to initialize plugin components
