diff --git a/package.json b/package.json
index 6df0088..977ce65 100644
--- a/package.json
+++ b/package.json
@@ -7,6 +7,13 @@
     "dev": "electron-vite dev",
     "build": "electron-vite build",
     "start": "electron-vite preview",
+    "rebuild:node": "cd node_modules/better-sqlite3 && prebuild-install",
+    "rebuild:electron": "cd node_modules/better-sqlite3 && prebuild-install --runtime=electron --target=41.3.0",
+    "pretest": "npm run rebuild:node",
+    "pretest:integration": "npm run rebuild:node",
+    "pretest:e2e": "npm run rebuild:electron && npm run build",
+    "prestart": "npm run rebuild:electron",
+    "predev": "npm run rebuild:electron",
     "test": "vitest run",
     "test:watch": "vitest",
     "test:integration": "INKLING_INTEGRATION=1 vitest run tests/integration",
diff --git a/tests/e2e/smoke.spec.ts b/tests/e2e/smoke.spec.ts
index f0811e4..8f5b652 100644
--- a/tests/e2e/smoke.spec.ts
+++ b/tests/e2e/smoke.spec.ts
@@ -2,13 +2,30 @@ import { test, expect, _electron as electron } from '@playwright/test';
 import { resolve } from 'node:path';
 
 test('inbox shell shows v0.2 empty state', async () => {
+  // Strip ELECTRON_RUN_AS_NODE if it leaked in from the parent process
+  // (some harnesses set it for native-module rebuild and forget to clear it).
+  // When set, Electron's main-process module hook is skipped and require('electron')
+  // returns only the binary path, so app.whenReady is undefined.
+  const env: Record<string, string> = {};
+  for (const [k, v] of Object.entries(process.env)) {
+    if (k === 'ELECTRON_RUN_AS_NODE') continue;
+    if (typeof v === 'string') env[k] = v;
+  }
+  env.INKLING_DEBUG = '1';
   const app = await electron.launch({
     args: [resolve('out/main/index.js')],
-    env: { ...process.env, INKLING_DEBUG: '1' }
+    env
   });
-  const inbox = await app.firstWindow();
-  await inbox.waitForLoadState('domcontentloaded');
-  await expect(inbox.getByText('Inkling')).toBeVisible();
+  const first = await app.firstWindow();
+  // Both the inbox and quickcapture windows are created at startup;
+  // firstWindow() may pick either, so select by title.
+  await new Promise((r) => setTimeout(r, 500));
+  let inbox = first;
+  for (const w of app.windows()) {
+    if ((await w.title()) === 'Inkling') { inbox = w; break; }
+  }
+  await inbox.waitForLoadState('load');
+  await expect(inbox.getByRole('heading', { name: 'Inkling' })).toBeVisible();
   await expect(inbox.getByText('첫 기억을 구출해보세요.')).toBeVisible();
   await app.close();
 });