Phase 14 구현: 회의 모드 (Meeting Mode)

실시간 녹음 + 타임스탬프 메모 + STT 전사 + LLM 구조화 회의록 + PDF/MD 내보내기.
CaptionService 연동, 동시 사용 충돌 방지, 긴 회의 2-pass 요약 지원.
DB 2테이블, IPC 15채널, UI 3뷰(목록/녹음/상세), 12개 locale i18n.

src/shared/types.ts

@@ -1262,3 +1262,99 @@ export interface VoiceActionErrorEvent {
   message: string
   userText: string
 }
+
+// ============================================================
+// Phase 14: Meeting Mode
+// ============================================================
+
+export type MeetingModeState = 'idle' | 'recording' | 'processing' | 'completed' | 'error'
+
+export interface MeetingMemo {
+  id: string
+  sessionId: string
+  content: string
+  /** 녹음 시작 기준 상대 타임스탬프 (ms) */
+  timestampMs: number
+  createdAt: number
+}
+
+export interface MeetingSessionSummary {
+  id: string
+  title: string | null
+  status: 'recording' | 'processing' | 'completed' | 'error'
+  startedAt: number
+  endedAt: number | null
+  durationMs: number | null
+  memoCount: number
+}
+
+export interface MeetingSessionDetail extends MeetingSessionSummary {
+  rawTranscript: string | null
+  minutesMarkdown: string | null
+  minutes: MeetingMinutes | null
+  memos: MeetingMemo[]
+  sttModel: string | null
+  llmModel: string | null
+  errorMessage: string | null
+}
+
+export interface MeetingMinutes {
+  summary: string
+  decisions: string[]
+  actionItems: Array<{ task: string; assignee?: string; deadline?: string }>
+  timeline: Array<{ time: string; content: string; type: 'transcript' | 'memo' }>
+}
+
+export interface MeetingSessionPage {
+  sessions: MeetingSessionSummary[]
+  total: number
+  page: number
+  pageSize: number
+  totalPages: number
+}
+
+export interface MeetingStartResult {
+  sessionId: string
+}
+
+export interface MeetingAddMemoParams {
+  content: string
+}
+
+export interface MeetingGetSessionsParams {
+  page: number
+  pageSize: number
+}
+
+export interface MeetingGetSessionParams {
+  sessionId: string
+}
+
+export interface MeetingDeleteSessionParams {
+  sessionId: string
+}
+
+export interface MeetingExportParams {
+  sessionId: string
+}
+
+export interface MeetingModeStateInfo {
+  state: MeetingModeState
+  sessionId: string | null
+  elapsedMs: number
+  memoCount: number
+  segmentCount: number
+}
+
+export type MeetingProcessingStep =
+  | 'merging'
+  | 'generating'
+  | 'parsing'
+  | 'saving'
+  | 'notifying'
+
+export interface MeetingProcessingProgress {
+  sessionId: string
+  step: MeetingProcessingStep
+  percent: number
+}