Simple playwright e2e test (#234)

package.json

@@ -33,7 +33,9 @@
     "test:watch": "vitest",
     "test:ui": "vitest --ui",
     "extract-codebase": "ts-node scripts/extract-codebase.ts",
-    "prepare": "husky install"
+    "prepare": "husky install",
+    "pre:e2e": "E2E_TEST_BUILD=true npm run package",
+    "e2e": "playwright test"
   },
   "keywords": [],
   "author": {
@@ -52,6 +54,7 @@
     "@electron-forge/plugin-vite": "^7.8.0",
     "@electron-forge/publisher-github": "^7.8.0",
     "@electron/fuses": "^1.8.0",
+    "@playwright/test": "^1.52.0",
     "@testing-library/react": "^16.3.0",
     "@types/better-sqlite3": "^7.6.13",
     "@types/kill-port": "^2.0.3",
@@ -111,6 +114,7 @@
     "dotenv": "^16.4.7",
     "drizzle-orm": "^0.41.0",
     "electron-log": "^5.3.3",
+    "electron-playwright-helpers": "^1.7.1",
     "electron-squirrel-startup": "^1.0.1",
     "esbuild-register": "^3.6.0",
     "fix-path": "^4.0.0",