fix: vite dev proxy 端口对齐 7500（支持 VITE_PROXY_TARGET 覆盖）

原指向 127.0.0.1:17650 与后端默认 -addr 127.0.0.1:7500 不符；同步 @types/node devDependency 并纳入 tsconfig

web/vite.config.ts

@@ -1,14 +1,17 @@
-import { defineConfig } from 'vite'
-import vue from '@vitejs/plugin-vue'
-import { fileURLToPath } from 'node:url'
+import { defineConfig } from "vite";
+import vue from "@vitejs/plugin-vue";
+import { fileURLToPath } from "node:url";
+
+// Backend default port (cmd/webui4frpc -addr). Override with VITE_PROXY_TARGET.
+const backend = process.env.VITE_PROXY_TARGET || "http://127.0.0.1:7500";
 
 // The frontend is served by the Go binary at / (embedded dist), and talks to
 // the same origin via /api/manager/*.
 export default defineConfig({
   plugins: [vue()],
-  base: '/',
+  base: "/",
   resolve: {
-    alias: { '@': fileURLToPath(new URL('./src', import.meta.url)) },
+    alias: { "@": fileURLToPath(new URL("./src", import.meta.url)) },
   },
   css: {
     preprocessorOptions: {
@@ -18,11 +21,11 @@ export default defineConfig({
     },
   },
   build: {
-    outDir: 'dist',
+    outDir: "dist",
   },
   server: {
     proxy: {
-      '/api': 'http://127.0.0.1:17650',
+      "/api": backend,
     },
   },
-})
+});