fix(frontend): harden dev startup against ELECTRON_RUN_AS_NODE and sync lockfile name

Unset ELECTRON_RUN_AS_NODE in frontend dev script so Electron runs correctly even when the env var is globally exported.

Align package-lock metadata name from bitcoin-address-generator to wallet-gen.

frontend/package-lock.json

@@ -1,11 +1,11 @@
 {
-  "name": "bitcoin-address-generator",
+  "name": "wallet-gen",
   "version": "1.0.0",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
-      "name": "bitcoin-address-generator",
+      "name": "wallet-gen",
       "version": "1.0.0",
       "dependencies": {
         "react": "^19.2.0",

frontend/package.json

@@ -6,7 +6,7 @@
   "main": "electron/main.cjs",
   "scripts": {
     "vite":    "vite",
-    "dev":     "concurrently --kill-others -n Vite,Electron \"vite\" \"wait-on http://localhost:5173 && cross-env NODE_ENV=development electron .\"",
+    "dev":     "concurrently --kill-others -n Vite,Electron \"vite\" \"wait-on http://localhost:5173 && cross-env NODE_ENV=development ELECTRON_RUN_AS_NODE= electron .\"",
     "build":   "vite build",
     "preview": "vite preview",
     "dist":    "vite build && electron-builder"