[优化] 更新开发环境配置，统一代理 HTTP 和 WebSocket 请求

atsf_server/web/package.json

@@ -4,11 +4,10 @@
   "private": true,
   "packageManager": "pnpm@10.6.2",
   "scripts": {
-    "dev": "next dev",
+    "dev": "NEXT_DEV_BACKEND_URL=${NEXT_DEV_BACKEND_URL:-http://127.0.0.1:3000} node scripts/dev-server.mjs",
     "build": "next build",
     "postbuild": "node scripts/prepare-static-export.mjs",
-    "start": "NEXT_DEV_PROXY=true next dev -p 3001",
-    "start:prod": "next start",
+    "start": "next start",
     "lint": "eslint . --max-warnings=0",
     "typecheck": "tsc --noEmit",
     "test": "vitest run",