Some enhancement needs to be done on `seer`

[aliinreallife]

Intro

for near future we should use and online database with an auto backup mesure and

Tasks:

1. blah blah
   • choose what database is best for our use
2. enhance our structure
   • limit size if each log
     • estimate length needed
     • blah

Important

we have a field named last_input that is a dictionary i think we should do somthing about it beacuse i beleve(?) it could could cause some truble like we can limit the size of dic items directly by pydantic.Field.