[Feature] Naver OAuth login

[fregataa]

Summary

Implement Naver OAuth login for user authentication.

Prerequisites

• [Feature] OAuth infrastructure setup #20 OAuth infrastructure setup

Scope

Setup

• Create Naver Developers application
• Configure Login API settings
• Set callback URL
• Request necessary permissions (email, name)

Backend

• Add Naver OAuth config (client ID, secret)
• Implement Naver OAuth callback handler
• Exchange authorization code for access token
• Fetch user info from Naver API

Frontend

• Add "네이버로 로그인" button (with Naver brand guidelines)
• Handle Naver OAuth redirect

Environment Variables

NAVER_CLIENT_ID=
NAVER_CLIENT_SECRET=
NAVER_REDIRECT_URI=

Acceptance Criteria

• Users can sign up/login with Naver account
• Naver account linked to user profile
• Follows Naver brand guidelines for login button

References

• Naver Login Documentation