rag 기반 퀴즈 배틀 기능 제작

[fixgramwork]

📌 PR 제목 규칙

[feat]

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📑 개요

Socket을 활용한 quiz 배틀 API 제작

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[Copilot]

Pull request overview

This PR implements a real-time quiz battle system using WebSocket/STOMP with RAG-based question generation. The implementation includes room management, participant handling, real-time scoring, and automated question progression with timer-based controls.

Key Changes:

• WebSocket-based real-time quiz battle system with STOMP protocol
• RAG-based quiz generation through FastAPI integration (missing documentId implementation)
• Redis-backed real-time state management for participants, questions, and answers
• Automated question timer service with manual override capability

Reviewed changes

Copilot reviewed 36 out of 40 changed files in this pull request and generated 24 comments.

Show a summary per file

File	Description
QuizBattleService.java	Core business logic for room/quiz management - missing documentId parameter support for RAG
QuizBattleWebSocketController.java	WebSocket endpoints for real-time quiz interactions
QuizTimerService.java	Scheduled timer service for automatic question progression - needs @PreDestroy
QuizRoomRedisService.java	Redis operations for real-time state management
QuizBattleController.java	REST API for room queries - has N+1 query issues
WebSocketConfig.java	WebSocket/STOMP configuration
SecurityConfig.java	Security bypass for WebSocket endpoints - security concern
JWTFilter.java	JWT filter updates to skip WebSocket - security concern
QuizClient.java	Feign client for FastAPI quiz generation
Domain Models	QuizRoom, QuizParticipant, QuizQuestion, QuizAnswer, QuizRanking entities
DTOs	Request/response/message DTOs - missing documentId fields
Tests	WebSocket integration tests and service unit tests
QUIZ_BATTLE_GUIDE.md	Comprehensive documentation for the feature

Comments suppressed due to low confidence (1)

src/main/java/hello/cluebackend/presentation/websocket/quizbattle/QuizBattleWebSocketController.java:167

• Default toString(): UserDto inherits toString() from Object, and so is not suitable for printing.

                    customOAuth2User.getUserDTO(), request.getQuestionNumber(), roomCode);

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[fixgramwork]

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