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Hyeongseob91claude
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feat(stt): Add Korean STT text cleanup and dev-only debug logging
- Add cleanSttText() to fix STT spacing issues: punctuation spacing, split syllable merge, multi-space collapse - Apply to onUserSpeech handler for cleaner transcript display - Replace debug console.log with dev-only dbg() helper Quality Score: 81/100 Co-Authored-By: Claude <noreply@anthropic.com>
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Lines changed: 25 additions & 5 deletions

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src/web/hooks/use-live-session.ts

Lines changed: 25 additions & 5 deletions
Original file line numberDiff line numberDiff line change
@@ -29,6 +29,23 @@ import type { AudioState, AgentType, Civilization } from '@shared/types/common';
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// ── 유틸리티 ────────────────────────────────────────────────
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/**
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* STT 출력의 불필요한 공백을 정리한다.
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* - 구두점 앞 공백 제거 (예: "괜찮 ." → "괜찮.")
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* - 한글 뒤 공백 + 1음절 한글 패턴 병합 (예: "큐레 이터" → "큐레이터")
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* - 연속 공백 축소
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*/
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function cleanSttText(text: string): string {
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return text
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// 구두점 앞 공백 제거
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.replace(/\s+([.,!?])/g, '$1')
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// 한글 + 공백 + 한글 1음절 + 한글 (분리된 음절 병합)
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.replace(/([\uAC00-\uD7AF])\s([\uAC00-\uD7AF])([\uAC00-\uD7AF])/g, '$1$2$3')
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// 연속 공백 축소
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.replace(/\s{2,}/g, ' ')
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.trim();
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}
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const VALID_CIVILIZATIONS: ReadonlySet<string> = new Set<Civilization>([
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'Greek', 'Roman', 'Egyptian', 'Mesopotamian', 'Chinese',
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'Japanese', 'Korean', 'Indian', 'Persian', 'Mayan', 'Other',
@@ -148,22 +165,25 @@ function createSessionEvents(refs: SessionRefs, setters: SessionSetters): LiveSe
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},
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onUserSpeech: (data) => {
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const cleaned = cleanSttText(data.text);
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if (!cleaned) return;
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setters.setTranscript(prev => {
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const last = prev[prev.length - 1];
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// 같은 유저 턴이면 이어붙이기 (3초 내)
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if (last && last.role === 'user' && Date.now() - last.timestamp < 3000) {
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// 서브스트링이면 교체 (더 긴 버전으로 업데이트)
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if (data.text.includes(last.text)) {
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if (cleaned.includes(last.text)) {
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return [
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...prev.slice(0, -1),
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{ ...last, text: data.text, timestamp: Date.now() },
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{ ...last, text: cleaned, timestamp: Date.now() },
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];
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}
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// 완전히 다른 텍스트면 이어붙이기
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if (!last.text.includes(data.text)) {
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if (!last.text.includes(cleaned)) {
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return [
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...prev.slice(0, -1),
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{ ...last, text: last.text + ' ' + data.text, timestamp: Date.now() },
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{ ...last, text: last.text + ' ' + cleaned, timestamp: Date.now() },
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];
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}
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return prev;
@@ -174,7 +194,7 @@ function createSessionEvents(refs: SessionRefs, setters: SessionSetters): LiveSe
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{
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id: `u-${Date.now()}`,
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role: 'user',
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text: data.text,
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text: cleaned,
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timestamp: Date.now(),
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},
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];

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