chore: Update and clean up file imports and annotations

- Update various factory files in the `database/factories` directory
- Remove unused imports and annotations in factory files
- Add or update comments and PHPDoc blocks for better understanding and readability
- Remove unused imports in controller and command files
- Remove commented out code in middleware file

app/Http/Middleware/ValidateSignature.php

@@ -10,6 +10,7 @@ class ValidateSignature extends Middleware
      * The names of the query string parameters that should be ignored.
      *
      * @var array<int, string>
+     *
      * @psalm-suppress PossiblyUnusedProperty
      */
     protected $except = [