Add SSH launcher and cached remote runtime

applications/electron-shell/package.json

@@ -6,7 +6,7 @@
   "main": "dist_ts/main.js",
   "scripts": {
     "build": "tsc -p tsconfig.json",
-    "start": "pnpm run build && electron dist_ts/main.js",
+    "start": "pnpm run build && node scripts/run-electron.mjs",
     "package": "pnpm run build && electron-builder --config electron-builder.yml"
   },
   "dependencies": {
@@ -18,5 +18,5 @@
   "devDependencies": {
     "electron-builder": "^26.8.1"
   },
-  "files": ["dist_ts/**/*", "electron-builder.yml"]
+  "files": ["dist_ts/**/*", "preload.cjs", "electron-builder.yml"]
 }