feat(HAI-002): add Vite + React dependencies and build configuration

packages/dashboard/package.json

@@ -0,0 +1,28 @@
+{
+  "name": "@hai/dashboard",
+  "version": "0.1.0",
+  "type": "module",
+  "exports": {
+    ".": "./src/index.ts"
+  },
+  "scripts": {
+    "build": "vite build && tsc",
+    "build:client": "vite build",
+    "dev:client": "vite",
+    "typecheck": "tsc --noEmit"
+  },
+  "dependencies": {
+    "@hai/core": "workspace:*",
+    "express": "^5.1.0",
+    "react": "^19.0.0",
+    "react-dom": "^19.0.0"
+  },
+  "devDependencies": {
+    "@types/express": "^5.0.0",
+    "@types/react": "^19.0.0",
+    "@types/react-dom": "^19.0.0",
+    "@vitejs/plugin-react": "^4.3.0",
+    "typescript": "^5.7.0",
+    "vite": "^6.0.0"
+  }
+}

packages/dashboard/tsconfig.json

@@ -0,0 +1,9 @@
+{
+  "extends": "../../tsconfig.base.json",
+  "compilerOptions": {
+    "outDir": "dist",
+    "rootDir": "src",
+    "jsx": "react-jsx"
+  },
+  "include": ["src", "app"]
+}

packages/dashboard/vite.config.ts

@@ -0,0 +1,16 @@
+import { defineConfig } from "vite";
+import react from "@vitejs/plugin-react";
+
+export default defineConfig({
+  root: "app",
+  plugins: [react()],
+  build: {
+    outDir: "../dist/client",
+    emptyOutDir: true,
+  },
+  server: {
+    proxy: {
+      "/api": "http://localhost:3000",
+    },
+  },
+});