feat(V2-1a): Monorepo 구조 전환 — apps/desktop으로 V1 이동

- npm workspaces 루트 (apps/*, packages/*) 세팅
- V1 전체를 apps/desktop/으로 git mv (src, resources, tests, sidecar,
  scripts, electron.vite.config.ts, electron-builder.yml, vitest.config.ts,
  tsconfig.node.json, tsconfig.web.json)
- apps/desktop/package.json 신규 (name=@d3ro/desktop)
- productName: 'd3ro-voice' 명시 — app.getName()을 고정하여 userData 경로
  %APPDATA%\d3ro-voice\ 그대로 유지 (기존 DB/설정 연속성 보장)
- 루트 package.json을 workspace 루트로 재구성, 공통 devDep만 유지
  (typescript, eslint, prettier)
- turbo.json, tsconfig.base.json 추가 (Turborepo 자체 설치는 별도 sub-phase)
- memory/project_status.md 생성 (규칙 13)

검증:
- npm run typecheck 통과
- npm run build 통과 (electron-vite main+preload+renderer)
- npm run dev 실제 실행 → DB/핫키/Ollama 자동 실행 모두 정상

apps/desktop/src/main/ipc/template-handlers.ts

@@ -0,0 +1,128 @@
+// src/main/ipc/template-handlers.ts
+// Phase 12.3: 딕테이션 템플릿 IPC 핸들러
+
+import { ipcMain } from 'electron'
+import { IPC_CHANNELS } from '@shared/ipc-channels'
+import { ErrorCode, ipcSuccess, ipcError } from '@shared/errors'
+import { getDictationTemplateService } from '../services/DictationTemplateService'
+import { getLogger } from '../services/LoggerService'
+import type {
+  CreateTemplateParams,
+  UpdateTemplateParams,
+  DeleteTemplateParams,
+  StartTemplateSessionParams,
+  SetFieldValueParams,
+} from '@shared/types'
+
+const logger = getLogger('template-handlers')
+
+export function registerTemplateHandlers(): void {
+  ipcMain.handle(IPC_CHANNELS.DICTATION_TEMPLATE.GET_ALL, async () => {
+    try {
+      return ipcSuccess(getDictationTemplateService().getAll())
+    } catch (err) {
+      const msg = err instanceof Error ? err.message : String(err)
+      return ipcError(ErrorCode.UnknownError, msg)
+    }
+  })
+
+  ipcMain.handle(
+    IPC_CHANNELS.DICTATION_TEMPLATE.CREATE,
+    async (_event, params: CreateTemplateParams) => {
+      try {
+        // 라이센스 체크
+        try {
+          const { getLicenseService } = await import('../services/LicenseService')
+          const { Feature } = await import('@shared/types')
+          const license = getLicenseService()
+          const access = license.canUse(Feature.DICTATION_TEMPLATE)
+          if (!access.allowed) {
+            license.promptUpgrade(Feature.DICTATION_TEMPLATE, 'tier_required')
+            return ipcError(ErrorCode.FeatureNotAvailable, 'Pro+ required')
+          }
+        } catch {
+          // LicenseService 미초기화 시 허용
+        }
+
+        const result = getDictationTemplateService().create(params)
+        return ipcSuccess(result)
+      } catch (err) {
+        const msg = err instanceof Error ? err.message : String(err)
+        logger.error('Template create failed:', msg)
+        return ipcError(ErrorCode.TemplateInvalidFormat, msg)
+      }
+    },
+  )
+
+  ipcMain.handle(
+    IPC_CHANNELS.DICTATION_TEMPLATE.UPDATE,
+    async (_event, params: UpdateTemplateParams) => {
+      try {
+        const result = getDictationTemplateService().update(params)
+        return ipcSuccess(result)
+      } catch (err) {
+        const msg = err instanceof Error ? err.message : String(err)
+        return ipcError(ErrorCode.TemplateNotFound, msg)
+      }
+    },
+  )
+
+  ipcMain.handle(
+    IPC_CHANNELS.DICTATION_TEMPLATE.DELETE,
+    async (_event, params: DeleteTemplateParams) => {
+      try {
+        getDictationTemplateService().delete(params.id)
+        return ipcSuccess(undefined)
+      } catch (err) {
+        const msg = err instanceof Error ? err.message : String(err)
+        return ipcError(ErrorCode.TemplateNotFound, msg)
+      }
+    },
+  )
+
+  ipcMain.handle(
+    IPC_CHANNELS.DICTATION_TEMPLATE.START_SESSION,
+    async (_event, params: StartTemplateSessionParams) => {
+      try {
+        getDictationTemplateService().startSession(params.templateId)
+        return ipcSuccess(undefined)
+      } catch (err) {
+        const msg = err instanceof Error ? err.message : String(err)
+        logger.error('Template session start failed:', msg)
+        return ipcError(ErrorCode.TemplateSessionAlreadyActive, msg)
+      }
+    },
+  )
+
+  ipcMain.handle(IPC_CHANNELS.DICTATION_TEMPLATE.CANCEL_SESSION, async () => {
+    try {
+      getDictationTemplateService().cancelSession()
+      return ipcSuccess(undefined)
+    } catch (err) {
+      const msg = err instanceof Error ? err.message : String(err)
+      return ipcError(ErrorCode.TemplateSessionNotActive, msg)
+    }
+  })
+
+  ipcMain.handle(IPC_CHANNELS.DICTATION_TEMPLATE.GET_SESSION_STATE, async () => {
+    try {
+      return ipcSuccess(getDictationTemplateService().getSessionState())
+    } catch (err) {
+      const msg = err instanceof Error ? err.message : String(err)
+      return ipcError(ErrorCode.UnknownError, msg)
+    }
+  })
+
+  ipcMain.handle(
+    IPC_CHANNELS.DICTATION_TEMPLATE.SET_FIELD_VALUE,
+    async (_event, params: SetFieldValueParams) => {
+      try {
+        getDictationTemplateService().setFieldValue(params.fieldId, params.value)
+        return ipcSuccess(undefined)
+      } catch (err) {
+        const msg = err instanceof Error ? err.message : String(err)
+        return ipcError(ErrorCode.TemplateFieldRecordingFailed, msg)
+      }
+    },
+  )
+}