Phase 12~13 전체 구현: Pro+ 피처 6종 + 음성 대화 + RAG + OS 자동화

Phase 12:
- FileTranscriptionService: ffmpeg PCM 변환 + 30초 청크 순차 STT
- MeetingSummaryService: 자막 세션 → LLM 자동 요약 + DB summaryText
- DictationTemplateService: 필드별 음성 입력 상태 머신 + 프리셋 3개

Phase 13.1:
- VoiceConversationService: STT→Ollama /api/chat→TTS 대화 루프 (10턴)
- TTSPlaybackService: Windows SAPI 문장 단위 큐 재생
- LocalLLMService.chatStream: Ollama /api/chat 스트리밍

Phase 13.2:
- RAGService: Ollama 임베딩 + SQLite 벡터 + 코사인 유사도 검색
- KnowledgeBasePage: 문서 관리 + 질문/답변 UI
- PDF 파서: zlib FlateDecode 해제 + BT/ET 텍스트 추출

Phase 13.3:
- VoiceActionService: LLM JSON 액션 플랜 생성 + 실행
- 프리셋 6개 (크롬/메모장/탐색기/볼륨), 위험 명령 차단

공통: IPC ~70채널, 에러코드 780-878, i18n 100+키
버그픽스: 라이선스 로컬 키 우선, i18n featureLabel, DOM 중첩

src/renderer/i18n/en.json

@@ -300,13 +300,28 @@
   "license.feature.voice_memo": "Voice Memo",
   "license.feature.history_unlimited": "Unlimited History",
   "license.feature.history_export": "History Export",
-  "license.feature.custom_instruction_create": "Custom Instruction Create",
+  "license.feature.custom_instruction_create": "Custom Instruction",
   "license.feature.file_transcription": "File Transcription",
   "license.feature.voice_conversation": "Voice Conversation",
   "license.feature.dictation_template": "Dictation Template",
   "license.feature.meeting_summary": "Meeting Summary",
   "license.feature.local_rag": "Local RAG",
   "license.feature.os_automation": "OS Automation",
+  "license.feature.llmProcess": "LLM Processing",
+  "license.feature.liveCaption": "Live Caption",
+  "license.feature.screenContext": "Screen Context",
+  "license.feature.voiceCommand": "Voice Commands",
+  "license.feature.llmChain": "LLM Chain",
+  "license.feature.voiceMemo": "Voice Memo",
+  "license.feature.historyUnlimited": "Unlimited History",
+  "license.feature.historyExport": "History Export",
+  "license.feature.customInstruction": "Custom Instruction",
+  "license.feature.fileTranscription": "File Transcription",
+  "license.feature.voiceConversation": "Voice Conversation",
+  "license.feature.dictationTemplate": "Dictation Template",
+  "license.feature.meetingSummary": "Meeting Summary",
+  "license.feature.localRag": "Local RAG",
+  "license.feature.osAutomation": "OS Automation",
   "license.pro.required": "PRO Required",
   "license.proPlus.required": "PRO+ Required",
   "license.included": "Included",
@@ -327,5 +342,80 @@
   "license.perDay": "/day",
   "license.unlimited": "Unlimited",
   "license.locked": "Locked",
-  "license.nav": "License"
+  "license.nav": "License",
+
+  "fileTranscription.title": "File Transcription",
+  "fileTranscription.dropZone": "Drop audio/video file here",
+  "fileTranscription.dropZoneHint": "Supports MP3, WAV, M4A, MP4, MKV, WEBM",
+  "fileTranscription.converting": "Converting...",
+  "fileTranscription.processing": "Transcribing...",
+  "fileTranscription.progress": "Chunk {{current}} / {{total}}",
+  "fileTranscription.complete": "Transcription complete",
+  "fileTranscription.copyAll": "Copy All",
+  "fileTranscription.cancel": "Cancel",
+  "fileTranscription.retry": "Retry",
+  "fileTranscription.error.invalidFormat": "Unsupported file format",
+  "fileTranscription.error.unknown": "Unknown error",
+
+  "meetingSummary.title": "Meeting Summary",
+  "meetingSummary.generating": "Generating summary...",
+  "meetingSummary.summary": "Summary",
+  "meetingSummary.decisions": "Key Decisions",
+  "meetingSummary.actionItems": "Action Items",
+  "meetingSummary.exportMarkdown": "Export as Markdown",
+  "meetingSummary.noSummary": "No summary available",
+  "meetingSummary.generate": "Generate Summary",
+
+  "template.title": "Dictation Templates",
+  "template.create": "New Template",
+  "template.edit": "Edit Template",
+  "template.delete": "Delete",
+  "template.name": "Template Name",
+  "template.description": "Description",
+  "template.fields": "Fields",
+  "template.addField": "Add Field",
+  "template.fieldName": "Field Name",
+  "template.fieldLabel": "Label",
+  "template.fieldPrompt": "Voice Prompt",
+  "template.outputFormat": "Output Format",
+  "template.startSession": "Start",
+  "template.cancelSession": "Cancel Session",
+  "template.empty": "No templates",
+
+  "nav.conversation": "Talk",
+  "conversation.title": "Voice Conversation",
+  "conversation.idle": "Idle",
+  "conversation.listening": "Listening",
+  "conversation.thinking": "Thinking",
+  "conversation.speaking": "Speaking",
+  "conversation.empty": "Talk to D3RO",
+  "conversation.emptyHint": "Press the mic button or type a message",
+  "conversation.inputPlaceholder": "Type a message...",
+  "conversation.end": "End",
+  "conversation.clearHistory": "Clear history",
+
+  "nav.knowledge": "Knowledge",
+  "rag.title": "Knowledge Base",
+  "rag.addDocument": "Add Document",
+  "rag.documents": "Documents",
+  "rag.noDocuments": "No documents",
+  "rag.chunks": "chunks",
+  "rag.indexed": "Indexed",
+  "rag.pending": "Pending",
+  "rag.indexing": "Indexing",
+  "rag.reindex": "Reindex",
+  "rag.askQuestion": "Ask a Question",
+  "rag.queryPlaceholder": "Ask about your documents...",
+  "rag.searching": "Searching...",
+  "rag.sources": "Sources",
+  "rag.adding": "Adding...",
+  "rag.parsing": "Parsing document...",
+
+  "voiceAction.title": "Voice Actions",
+  "voiceAction.execute": "Execute",
+  "voiceAction.presets": "Preset Commands",
+  "voiceAction.history": "Action History",
+  "voiceAction.noHistory": "No action history",
+  "voiceAction.blocked": "Blocked (unsafe)",
+  "voiceAction.executed": "Executed"
 }