[TB-34] 코드 컨벤션 통합

[tiemo0708]

📌 작업 개요

• 코드 컨벤션 통합

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✅ 작업 내용

1. dto 컨벤션 통합
2. API 명세 클래스i 컨벤션 통합
3. 패키지 네이밍 수정

페어 프로그래밍으로 리팩토링

[sonarqubecloud]

Quality Gate failed

Failed conditions
1 Security Hotspot

See analysis details on SonarQube Cloud

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 31 lines in your changes missing coverage. Please review.

Files with missing lines	Patch %	Lines
...er/in/signup/validator/MatchPasswordValidator.java	0.00%	6 Missing ⚠️
...apter/in/find/dto/response/UserAuthIdResponse.java	0.00%	4 Missing ⚠️
...ount_BE/user/adapter/in/email/EmailController.java	0.00%	3 Missing ⚠️
...unt_BE/auth/application/service/SignInService.java	0.00%	2 Missing ⚠️
...E/auth/adapter/in/web/signin/SignInController.java	0.00%	1 Missing ⚠️
...apter/in/web/signin/dto/request/SignInRequest.java	0.00%	1 Missing ⚠️
...pter/in/web/signin/dto/response/TokenResponse.java	0.00%	1 Missing ⚠️
...in/web/token/dto/response/AccessTokenResponse.java	0.00%	1 Missing ⚠️
...bAccount_BE/auth/application/dto/SignInResult.java	0.00%	1 Missing ⚠️
...adapter/in/email/dto/request/EmailSendRequest.java	0.00%	1 Missing ⚠️
... and 10 more

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