diff --git a/src/main/index.ts b/src/main/index.ts
index bc4754d..eb891a2 100644
--- a/src/main/index.ts
+++ b/src/main/index.ts
@@ -1,12 +1,86 @@
-import { app, BrowserWindow } from 'electron';
+import { app, BrowserWindow, Notification } from 'electron';
 import '@shared/types';
-import { createInboxWindow } from './windows/inboxWindow.js';
 import { initLogger, logger } from './logger.js';
+import { resolveProfilePaths } from './paths.js';
+import { openDb } from './db/index.js';
+import { NoteRepository } from './repository/NoteRepository.js';
+import { MediaStore } from './services/MediaStore.js';
+import { ContinuityService } from './services/ContinuityService.js';
+import { CaptureService } from './services/CaptureService.js';
+import { NotificationService } from './services/NotificationService.js';
+import { HotkeyService } from './services/HotkeyService.js';
+import { IntentService } from './services/IntentService.js';
+import { HealthChecker } from './services/HealthChecker.js';
+import { LocalOllamaProvider } from './ai/LocalOllamaProvider.js';
+import { AiWorker } from './ai/AiWorker.js';
+import { registerCaptureApi } from './ipc/captureApi.js';
+import { registerInboxApi, pushNoteUpdated } from './ipc/inboxApi.js';
+import { createInboxWindow, getInboxWindow } from './windows/inboxWindow.js';
+import {
+  createQuickCaptureWindow, showQuickCapture, getQuickCaptureWindow
+} from './windows/quickCaptureWindow.js';
+import { createTray } from './tray.js';
+import { MediaGc } from './services/MediaGc.js';
 
-app.whenReady().then(() => {
+app.whenReady().then(async () => {
   initLogger();
   logger.info('app.start', { platform: process.platform, version: app.getVersion() });
+
+  const paths = resolveProfilePaths('default');
+  const db = openDb(paths.dbFile);
+  const repo = new NoteRepository(db);
+  const store = new MediaStore(paths.profileDir);
+  const continuity = new ContinuityService(db);
+  const intent = new IntentService(repo);
+
+  const provider = new LocalOllamaProvider({
+    endpoint: process.env.INKLING_OLLAMA_ENDPOINT
+  });
+  const health = new HealthChecker(provider);
+  void health.runOnce().then((h) => logger.info('ai.health', { ...h } as Record<string, unknown>));
+
+  const worker = new AiWorker(repo, provider, {
+    onUpdate: (note) => pushNoteUpdated(getInboxWindow, note),
+    logger
+  });
+
+  const notify = new NotificationService({
+    isSupported: () => Notification.isSupported(),
+    send: (body) => {
+      new Notification({ title: 'Inkling', body, silent: false }).show();
+    }
+  });
+
+  const capture = new CaptureService(repo, store, {
+    enqueue: (id) => worker.enqueue(id),
+    celebrate: (id) => notify.celebrate(id)
+  });
+
+  registerCaptureApi(capture, getQuickCaptureWindow);
+  registerInboxApi({
+    repo, continuity, capture, health, intent,
+    getInboxWindow
+  });
+
+  const hotkeys = new HotkeyService();
+  const reg = hotkeys.register({
+    accelerator: process.platform === 'darwin' ? 'Cmd+Shift+J' : 'Ctrl+Shift+J',
+    onTrigger: () => showQuickCapture()
+  });
+  if (!reg.ok) logger.warn('hotkey.register.failed', { reason: reg.reason });
+
   createInboxWindow();
+  createQuickCaptureWindow();
+  createTray(
+    () => createInboxWindow(),
+    () => showQuickCapture()
+  );
+
+  await worker.loadFromDb();
+
+  const gc = new MediaGc(db, store);
+  void gc.run().then((r) => logger.info('media.gc', { ...r } as Record<string, unknown>));
+
   app.on('activate', () => {
     if (BrowserWindow.getAllWindows().length === 0) createInboxWindow();
   });
diff --git a/src/main/tray.ts b/src/main/tray.ts
new file mode 100644
index 0000000..5c257a0
--- /dev/null
+++ b/src/main/tray.ts
@@ -0,0 +1,18 @@
+import { app, Tray, Menu, nativeImage } from 'electron';
+
+let tray: Tray | null = null;
+
+export function createTray(showInbox: () => void, showCapture: () => void): Tray {
+  const icon = nativeImage.createEmpty();
+  tray = new Tray(icon);
+  tray.setToolTip('Inkling');
+  const menu = Menu.buildFromTemplate([
+    { label: '구출한 메모 보기', click: showInbox },
+    { label: '기억 구출하기', click: showCapture },
+    { type: 'separator' },
+    { label: '종료', click: () => { app.isQuitting = true; app.quit(); } }
+  ]);
+  tray.setContextMenu(menu);
+  tray.on('click', showInbox);
+  return tray;
+}