Phase 7~8 구현: 테스트 + 빌드 + CI/CD + SoundEffect + AutoLaunch + UI 리디자인

- vitest 41개 단위 테스트 (HistoryService, DictionaryService, CustomInstructionService, VoiceModeService, D3ROError)
- electron-builder.yml (NSIS, asarUnpack, extraResources)
- .gitlab-ci.yml (lint, typecheck, test, build, release)
- SoundEffectService: WAV 프리로드 + PowerShell 재생 + VoiceMode 연동
- AutoLaunchService: app.setLoginItemSettings + ConfigService 동기화
- TextInsertService: 간이 삽입 검증 (EditMonitor 경량)
- 번들링 인프라: SoX 다운로드 스크립트, PyInstaller 빌드, 경로 해상도 유틸
- AudioCaptureService/LocalSTTService: 번들 경로 자동 감지
- 08-design-system.md 기반 MUI 테마 (다크+라이트+auto 테마 시스템)
- 전체 UI 컴포넌트 리디자인: AppLayout, Dashboard, StatusBar, History, Dictionary, Commands, Settings
- 효과음 WAV 생성: recording-start, recording-stop, error
- EPIPE 에러 핸들링 추가

tests/helpers/createTestDb.ts

@@ -0,0 +1,87 @@
+// tests/helpers/createTestDb.ts
+// in-memory SQLite + drizzle-orm 스키마 적용
+
+import Database from 'better-sqlite3'
+import { drizzle, type BetterSQLite3Database } from 'drizzle-orm/better-sqlite3'
+import * as schema from '../../src/main/db/schema'
+
+/**
+ * 테스트용 in-memory SQLite DB를 생성한다.
+ * 각 테스트에서 독립적인 DB를 사용할 수 있다.
+ */
+export function createTestDb(): {
+  db: BetterSQLite3Database<typeof schema>
+  sqlite: Database.Database
+  close: () => void
+} {
+  const sqlite = new Database(':memory:')
+
+  sqlite.pragma('journal_mode = WAL')
+  sqlite.pragma('foreign_keys = ON')
+
+  // 테이블 생성 (src/main/db/index.ts의 SQL과 동일)
+  sqlite.exec(`
+    CREATE TABLE IF NOT EXISTS history (
+      id                      TEXT PRIMARY KEY,
+      original_text           TEXT NOT NULL,
+      polished_text           TEXT,
+      focused_app             TEXT,
+      focused_app_name        TEXT,
+      focused_app_window_title TEXT,
+      mode                    TEXT NOT NULL DEFAULT 'dictation',
+      status                  TEXT NOT NULL DEFAULT 'completed',
+      error_code              TEXT,
+      audio_local_path        TEXT,
+      duration                REAL NOT NULL,
+      detected_language       TEXT,
+      mic_device              TEXT,
+      word_count              INTEGER NOT NULL DEFAULT 0,
+      stt_model               TEXT,
+      llm_model               TEXT,
+      stt_latency_ms          INTEGER,
+      llm_latency_ms          INTEGER,
+      created_at              INTEGER NOT NULL,
+      updated_at              INTEGER NOT NULL,
+      app_version             TEXT NOT NULL DEFAULT '1.0.0'
+    );
+
+    CREATE INDEX IF NOT EXISTS idx_history_created_at ON history(created_at DESC);
+    CREATE INDEX IF NOT EXISTS idx_history_status ON history(status);
+
+    CREATE TABLE IF NOT EXISTS dictionary (
+      id            TEXT PRIMARY KEY,
+      word          TEXT NOT NULL,
+      pronunciation TEXT,
+      category      TEXT NOT NULL DEFAULT 'user',
+      usage_count   INTEGER NOT NULL DEFAULT 0,
+      last_used_at  INTEGER,
+      created_at    INTEGER NOT NULL,
+      updated_at    INTEGER NOT NULL
+    );
+
+    CREATE UNIQUE INDEX IF NOT EXISTS idx_dictionary_word_category ON dictionary(word, category);
+    CREATE INDEX IF NOT EXISTS idx_dictionary_created_at ON dictionary(created_at);
+    CREATE INDEX IF NOT EXISTS idx_dictionary_usage_count ON dictionary(usage_count DESC);
+
+    CREATE TABLE IF NOT EXISTS stats (
+      id              INTEGER PRIMARY KEY CHECK (id = 1),
+      total_duration  REAL NOT NULL DEFAULT 0,
+      total_words     INTEGER NOT NULL DEFAULT 0,
+      session_count   INTEGER NOT NULL DEFAULT 0,
+      streak_days     INTEGER NOT NULL DEFAULT 0,
+      last_session_at INTEGER,
+      last_updated    INTEGER NOT NULL
+    );
+
+    INSERT OR IGNORE INTO stats (id, total_duration, total_words, session_count, streak_days, last_updated)
+    VALUES (1, 0, 0, 0, 0, ${Date.now()});
+  `)
+
+  const db = drizzle(sqlite, { schema })
+
+  return {
+    db,
+    sqlite,
+    close: () => sqlite.close()
+  }
+}