- Add password_resets table: single-use tokens with 1h expiry.
- Add POST /api/forgot-password: sends reset link if account exists and is verified (always returns ok to prevent enumeration).
- Add POST /api/reset-password: validates token, updates password, invalidates all open reset tokens for that user in one transaction.
- Add /reset-password page with password strength meter and confirm field.
- Add "Passwort vergessen?" flow on login page.
- Factor shared email template into mailer helper, add sendPasswordResetMail.
- Rate limits: 5 forgot-requests/hour per IP, 10 reset attempts/15min per IP.
Simon