refactor(server): 移除 Express 服务器实现

- 删除了基于 Express 的服务器配置
- 移除了静态资源服务逻辑
- 删除了局域网 IP 获取和 URL 自动打开功能
- 移除了 SPA fallback 处理
- 清理了相关依赖导入和变量声明

server.js

@@ -1,77 +0,0 @@
-const express = require('express');
-const path = require('path');
-const { exec } = require('child_process');
-const os = require('os');
-
-
-// Bun 会自动嵌入整个 docs 目录下所有文件（包括 assets/ 里的 js、css、图片等）
-import "./docs/index.html";
-
-const app = express();
-
-function openUrl(url) {
-    const start = process.platform === 'darwin' ? 'open' : process.platform === 'win32' ? 'start ""' : 'xdg-open';
-    exec(`${start} "${url}"`);
-}
-
-function getLocalIp() {
-    const interfaces = os.networkInterfaces();
-    for (let devName in interfaces) {
-        const iface = interfaces[devName];
-        for (let i = 0; i < iface.length; i++) {
-            const alias = iface[i];
-            if (alias.family === 'IPv4' && alias.address !== '127.0.0.1' && !alias.internal) {
-                return alias.address;
-            }
-        }
-    }
-    return 'localhost';
-}
-
-// 静态资源服务（现在能正常工作了！）
-app.use(async (req, res, next) => {
-    let requestedPath = req.path;
-
-    // 根路径处理
-    if (requestedPath === '/' || requestedPath === '') {
-        requestedPath = '/index.html';
-    }
-
-    const filePath = "./docs" + requestedPath;
-    const file = Bun.file(filePath);
-    const exists = await file.exists();
-
-    if (exists) {
-        const arrayBuffer = await file.arrayBuffer();
-        const buffer = Buffer.from(arrayBuffer);
-
-        // 设置正确的 Content-Type
-        const type = file.type || 'application/octet-stream';
-        res.setHeader('Content-Type', type);
-
-        res.send(buffer);
-    } else {
-        // SPA fallback
-        const indexFile = Bun.file("./docs/index.html");
-        const arrayBuffer = await indexFile.arrayBuffer();
-        const buffer = Buffer.from(arrayBuffer);
-
-        res.setHeader('Content-Type', 'text/html');
-        res.send(buffer);
-    }
-});
-
-const server = app.listen(0, '0.0.0.0', () => {
-    const { port } = server.address();
-    const url = `http://localhost:${port}`;
-    const lanUrl = `http://${getLocalIp()}:${port}`;
-
-    console.log("-----------------------------------");
-    console.log(`🚀 OGame 程序已启动！`);
-    console.log(`🔗 本地访问: ${url}`);
-    console.log(`🌐 局域网访问: ${lanUrl}`);
-    console.log("-----------------------------------");
-    console.log("提示: 关闭此窗口将停止服务。");
-
-    openUrl(url);
-});