Curent is likely sufficient, but in case password starts failing, an easily identifiable user identicon may be useful on the unlock page
[ ] maybe add identicon for m/1337'/0' ( or other) acct
[ ] consider any other options, technically #4 should aid in authentication, in that they will fail to decrypt, if the seed phrase is changed. A warning can be emitted regarding this, indicating corruption of some sort.
Curent is likely sufficient, but in case password starts failing, an easily identifiable user identicon may be useful on the unlock page