feat: migrate to vite/vitest

Author: rektdeckard

package.json

@@ -4,16 +4,16 @@
   "private": true,
   "type": "module",
   "scripts": {
-    "build": "tsc",
+    "build": "vite build",
     "clean": "rm -rf dist",
     "typecheck": "tsc --noEmit",
     "lint": "eslint \"**/*.{ts,js}\"",
     "lint:fix": "eslint --fix \"**/*.{ts,js}\"",
     "format": "prettier --write \"**/*.{ts,js,json,md}\"",
     "format:check": "prettier --check \"**/*.{ts,js,json,md}\"",
-    "test": "NODE_ENV=test node --test --import tsx",
-    "test:watch": "NODE_ENV=test node --test --watch --import tsx",
-    "dev": "tsx src/agent.ts dev",
+    "test": "vitest --run",
+    "test:watch": "vitest",
+    "dev": "pnpm run build && node dist/agent.js dev",
     "download-files": "pnpm run build && node dist/agent.js download-files",
     "start": "node dist/agent.js start"
   },
@@ -27,10 +27,10 @@
     "@types/node": "^22.19.7",
     "eslint": "^9.39.2",
     "globals": "^16.5.0",
-    "jiti": "^2.6.1",
-    "tsx": "^4.21.0",
     "typescript": "^5.9.3",
-    "typescript-eslint": "^8.53.1"
+    "typescript-eslint": "^8.53.1",
+    "vite": "^7.3.1",
+    "vitest": "^4.0.18"
   },
   "dependencies": {
     "@livekit/agents": "^1.0.38",