Laravel-validation- | Laravel-validation错误验证中文 elephant | REST library

I am recently started a laravel project to control some activities, but I am currently having issues with the validation specifically when updating a specific record on a table that contains unique values

A couple of notes a started this project a couple of days of the launch of laravel 8 last month so perhaps there some changes that are afecting me.

These are my migrations

The first one is a user with its data, ...

I'm trying to make an input validation in Laravel with a somewhat complex "or" condition.

I need the validator to validate the input (let it pass) if its value is present in a specific table or if its value is "other".

So far, I have:

I have two checkbox fields tech and active that I want to be nullable but I also want the values that can be entered to be restricted to a single value for one field and one of two values for the other field.

I came across the answer stackoverflow but I don't seem to implement it properly. Heres my code:

I used the laravel validator for credit card information as per instructed here. I can finally let it work but my problem is how can I make its result readable by a user. I am also using Laravel validation like this:

I have two radio button with value="YES" and value="NO". I want to make my next input text to be required if the selected radio button have a YES value, else the next input text is nullable

I already tried this Laravel Validation If checkbox ticked then Input text is required? But i think it is only work on checkbox and don't work with radio button. Here are my codes:

View

With reference to this stack question and answer I'm trying to format the response of my error validations to a more simplified format...thus in a custom App\Http\Requests\CustomRequest I have