- Add `Captcha` field validation to `LoginVerify` rules, ensuring that the captcha isn't empty while prechecking the data.
- Remove redundant checks for empty values for `Captcha` and `CaptchaId`, as they are already validated in the `LoginVerify` struct.
- Move client IP key retrieval after input validation for better flow.
- Add nil check for context parameter.
- UseWithCtx method return explicit type rather than interface.
Replace base64Captcha.Store return type with *RedisStore for better type safety.