Custom configuration page for variables

Hi all! Being using HA for almost 3 years and looking for advice from community!

I want to build custom settings page (ideally inside a view) to be able to change my home variables (like optimal temperature in rooms or vacuum cleaning schedule) from one place and give it to the users. Just like ‘settings’ in other vendor smart home apps.

Normally I would just use helpers for this, but now I’m using HASS Variables custom integration for storing my variables inside sensors. And I can’t modify sensors (like in text fields or checkboxes) in a view. This is main problem.

Now I’m considering this variants:

  1. build custom card which can display elements and store values in sensors
  2. build custom panel
  3. switch from HASS variables to simple helpers
  4. use markdown card to display inputs and find some way to pass its values to script which saves it to sensors
  5. create automation which will dinamically ‘translate’ variables sensors to helpers and vice versa.

All of this variants seems too hacky or overkill solutions to me.
So maybe anybody will share their approach? Or just critics to my thoughts. Or maybe there are some custom projects already dealing with this? Thanks!

Obvious question: why?
What is the custom component feature missing for you from helpers?

Main reason was that input_text can store only 255 symbols and I needed more for some variables. Obviously not for all of them but for some.