Atser

- Servicing: prevent the Activity Details floating action button from overlapping the comment send button while the keyboard is open. - Servicing: allow the Activity Details keyboard to close by tapping outside the comment field or dragging the page. - Auth: accept username or email on login, harden corrupt saved-session handling, and clean up login error messages. - Auth: add 2FA challenge, OTP verify/resend, and trusted-device storage for "Remember this device for 30 days". - Sites: keep Power Analysis legend toggles scoped to the selected device series when multiple batteries share the same metric key. - Auth: replace the forgot-password contact dialog with the OTP reset flow. - Auth: validate new password length and confirmation before submitting password reset. - Map: wait for Mapbox style load before creating annotations and guard annotation channel failures.