Fix an issue where entering a non-existent invite code during registration would result in an unclear HTTP code 0 error. Now, the system properly validates the invite code and returns a clear error response if the code does not exist.
- Add HasPluginConfig trait and PluginController base class
- Integrate guest_comm_config hook in CommController for plugin frontend config injection
- Add user creation functionality to UserService and fix null value handling
- Enhance AbstractPlugin.getConfig() with key parameter support
- Multiple service layer optimizations and architecture improvements
- Implement reCAPTCHA v3 with score-based validation
- Add Cloudflare Turnstile as captcha alternative
- Create reusable CaptchaService for unified validation
- Support switching between recaptcha, recaptcha-v3, and turnstile
- Maintain backward compatibility with existing configurations
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