feat(import): wire ImportService — tray '백업에서 복원...' + preview dialog

Tray gets 5th callback. Directory chooser → preview (count of
new/skip/forked + media) → confirm message box → run. Slice §1.1
copy policy preserved (no '실패'/'끊김'). Notification on
success/failure.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

src/main/index.ts

@@ -26,6 +26,7 @@ import { createTray } from './tray.js';
 import { MediaGc } from './services/MediaGc.js';
 import { BackupService } from './services/BackupService.js';
 import { ExportService } from './services/ExportService.js';
+import { ImportService } from './services/ImportService.js';
 
 const HIDDEN_ARG = '--hidden';
 const startedHidden = process.argv.includes(HIDDEN_ARG);
@@ -104,6 +105,7 @@ app.whenReady().then(async () => {
   void gc.run().then((r) => logger.info('media.gc', { ...r } as Record<string, unknown>));
 
   const exportSvc = new ExportService(repo, store);
+  const importSvc = new ImportService(repo, store);
 
   const backup = new BackupService(db, join(paths.profileDir, 'backups'));
   void backup.runDaily()
@@ -179,6 +181,68 @@ app.whenReady().then(async () => {
           silent: true
         }).show();
       }
+    },
+    async () => {
+      const win = getInboxWindow();
+      const dirOpts: Electron.OpenDialogOptions = {
+        title: '복원할 백업 폴더 선택',
+        message: 'F5 export 형식의 폴더를 선택하세요. notes/ 하위의 마크다운 파일이 적재됩니다.',
+        buttonLabel: '여기서 복원',
+        properties: ['openDirectory']
+      };
+      const dirResult = win
+        ? await dialog.showOpenDialog(win, dirOpts)
+        : await dialog.showOpenDialog(dirOpts);
+      if (dirResult.canceled || dirResult.filePaths.length === 0) return;
+      const sourceDir = dirResult.filePaths[0]!;
+      let plan;
+      try {
+        plan = await importSvc.preview(sourceDir);
+      } catch (e) {
+        logger.warn('import.preview.failed', { reason: String(e) });
+        new Notification({
+          title: 'Inkling',
+          body: '백업 폴더를 읽지 못했습니다.',
+          silent: true
+        }).show();
+        return;
+      }
+      const detail = `총 ${plan.total}개 노트\n  · 신규 ${plan.newCount}개\n  · 동일 (스킵) ${plan.unchangedCount}개\n  · 충돌→새 id (${plan.forkedCount}개, raw_text 보존)\n\n이미지 ${plan.mediaCount}개 복사 예정.`;
+      const confirmOpts: Electron.MessageBoxOptions = {
+        type: 'question',
+        buttons: ['복원', '취소'],
+        defaultId: 0,
+        cancelId: 1,
+        title: 'Inkling 복원',
+        message: '복원 미리보기',
+        detail
+      };
+      const confirm = win
+        ? await dialog.showMessageBox(win, confirmOpts)
+        : await dialog.showMessageBox(confirmOpts);
+      if (confirm.response !== 0) return;
+      try {
+        const r = await importSvc.run(sourceDir);
+        logger.info('import.done', {
+          total: r.total,
+          new: r.newCount,
+          unchanged: r.unchangedCount,
+          forked: r.forkedCount,
+          media: r.mediaCount
+        });
+        new Notification({
+          title: 'Inkling',
+          body: `복원 완료 — 신규 ${r.newCount}개, 스킵 ${r.unchangedCount}개, 충돌 ${r.forkedCount}개`,
+          silent: true
+        }).show();
+      } catch (e) {
+        logger.warn('import.run.failed', { reason: String(e) });
+        new Notification({
+          title: 'Inkling',
+          body: '복원을 완료하지 못했습니다.',
+          silent: true
+        }).show();
+      }
     }
   );
 

src/main/tray.ts

@@ -8,14 +8,16 @@ function buildMenu(
   showInbox: () => void,
   showCapture: () => void,
   runBackup: () => void,
-  runExport: () => void
+  runExport: () => void,
+  runImport: () => void
 ) {
   const items: MenuItemConstructorOptions[] = [
     { label: '구출한 메모 보기', click: showInbox },
     { label: '기억 구출하기', click: showCapture },
     { type: 'separator' },
     { label: '지금 백업', click: runBackup },
-    { label: '내보내기...', click: runExport }
+    { label: '내보내기...', click: runExport },
+    { label: '백업에서 복원...', click: runImport }
   ];
   if (app.isPackaged) {
     const { openAtLogin } = app.getLoginItemSettings();
@@ -42,12 +44,13 @@ export function createTray(
   showInbox: () => void,
   showCapture: () => void,
   runBackup: () => void,
-  runExport: () => void
+  runExport: () => void,
+  runImport: () => void
 ): TrayType {
   const icon = nativeImage.createEmpty();
   tray = new Tray(icon);
   tray.setToolTip('Inkling');
-  tray.setContextMenu(buildMenu(showInbox, showCapture, runBackup, runExport));
+  tray.setContextMenu(buildMenu(showInbox, showCapture, runBackup, runExport, runImport));
   tray.on('click', showInbox);
   return tray;
 }