fix build, fix electron

electron/vite.preload.config.js

@@ -0,0 +1,27 @@
+import { defineConfig } from 'vite';
+import { resolve, dirname } from 'path';
+import { fileURLToPath } from 'url';
+
+const __filename = fileURLToPath(import.meta.url);
+const __dirname = dirname(__filename);
+
+export default defineConfig({
+  resolve: {
+    conditions: ['node'],
+  },
+  build: {
+    lib: {
+      entry: resolve(__dirname, 'preload.mjs'),
+      name: 'Preload',
+      fileName: () => 'preload.cjs',
+      formats: ['cjs'],
+    },
+    outDir: resolve(__dirname, '../build/electron'),
+    emptyOutDir: true,
+    rollupOptions: {
+      external: ['electron'],
+    },
+    target: 'node20',
+    minify: false,
+  },
+});