feat: Phase 1 scaffold — React + Vite + TypeScript + Dashboard (v0.10.0)

- Add Vite + React + TypeScript + Tailwind CSS to Electron app
- Create Dashboard page with gateway control (start/stop/restart/status)
- Expand preload.js IPC bridge with gateway and OCM API channels
- Add IPC handlers in main.js for openclaw CLI and OCM proxy
- Dev mode loads Vite dev server, production loads built dist/
- Bump version to 0.10.0

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

vite.config.ts

@@ -0,0 +1,22 @@
+import { defineConfig } from 'vite';
+import react from '@vitejs/plugin-react';
+import path from 'path';
+
+export default defineConfig({
+  plugins: [react()],
+  root: 'src',
+  base: './',
+  build: {
+    outDir: '../dist',
+    emptyOutDir: true,
+  },
+  resolve: {
+    alias: {
+      '@': path.resolve(__dirname, 'src'),
+    },
+  },
+  server: {
+    port: 5173,
+    strictPort: true,
+  },
+});