Password strength (zxcvbn-ts):
- PasswordStrength component with 4-segment color bar and German feedback
- Lazy-loaded with 150ms debounce to avoid SSR/bundle issues
- Integrated into RegisterPage and ChangePassword components
Magic Links (passwordless email):
- Better Auth magicLink plugin (10-minute expiry)
- sendMagicLinkEmail() in email service (German template)
- Passthrough route for /magic-link/* endpoints
- sendMagicLink() in shared-auth client
- "Login-Link per E-Mail senden" button on all 20 login pages
- All 21 auth stores have sendMagicLink() method
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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