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fix(interview): 자기소개 답변 오롤백 방지 (#136 회귀) #137

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Merged
i3months merged 1 commit into from
Jul 1, 2026
Merged

fix(interview): 자기소개 답변 오롤백 방지 (#136 회귀) #137

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8 changes: 8 additions & 0 deletions frontend/src/features/interview/model/useLiveInterview.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -53,6 +53,9 @@ export function useLiveInterview(sessionId: number, deliveryMode: DeliveryMode =
// 안 되면 stuck 된 낙관적 답변을 롤백한다. tempId 별 타이머 + 최신 optimistic 미러 ref.
const optimisticRef = useRef<OptimisticAnswer[]>([])
optimisticRef.current = optimistic
// 타임아웃 클로저에서 최신 연결 상태를 읽기 위한 미러 ref.
const connectionRef = useRef<ConnectionStatus>(connection)
connectionRef.current = connection
const answerTimers = useRef<Map<string, ReturnType<typeof setTimeout>>>(new Map())
if (queueRef.current === null) {
queueRef.current = createSegmentQueue(async (url) => {
Expand Down Expand Up @@ -183,6 +186,11 @@ export function useLiveInterview(sessionId: number, deliveryMode: DeliveryMode =
const timer = setTimeout(() => {
answerTimers.current.delete(tempId)
if (!optimisticRef.current.some((o) => o.tempId === tempId)) return // 이미 반영됨
// 연결이 정상('open')이면 전송 실패가 아니라 '서버가 아직 에코 안 함'일 뿐이다.
// 특히 자기소개(첫 답변)는 프루닝 트리거인 SESSION_MESSAGE 가 Pro 모델 질문 풀
// 생성 이후에야 오므로 10초를 넘길 수 있다 → 오롤백 금지, 이후 메시지가 프루닝한다.
// 연결이 끊긴 경우(closed/connecting)에만 진짜 전송 실패로 보고 롤백한다.
if (connectionRef.current === 'open') return
setOptimistic((prev) => prev.filter((o) => o.tempId !== tempId))
setRestoreDraft({ content, nonce: Date.now() })
toast.error('답변 전송에 실패했어요. 입력을 복원했으니 다시 시도해 주세요.')
Expand Down