refactor: 项目更名为 DiAL（统一拨测平台）

将 gateway-checker/Gateway Checker 统一替换为 dial-server/DiAL
- 包名、可执行文件名、API service 标识改为 dial-server
- UI 标题改为 DiAL，副标题改为统一拨测平台
- 同步更新测试断言、构建脚本、示例配置和文档

scripts/smoke.ts

@@ -5,11 +5,11 @@ import { join } from "node:path";
 import { tmpdir } from "node:os";
 import type { HealthResponse, SummaryResponse } from "../src/shared/api";
 
-const executablePath = process.argv[2] ?? fileURLToPath(new URL("../dist/gateway-checker", import.meta.url));
+const executablePath = process.argv[2] ?? fileURLToPath(new URL("../dist/dial-server", import.meta.url));
 
 await assertExecutableExists(executablePath);
 
-const tempDir = mkdtempSync(join(tmpdir(), "gc-smoke-"));
+const tempDir = mkdtempSync(join(tmpdir(), "dial-smoke-"));
 const configPath = join(tempDir, "probes.yaml");
 
 const port = await getFreePort();
@@ -61,11 +61,11 @@ try {
   assert(missingTarget.status === 404, "不存在的目标应返回 404");
 
   const { body: rootHtml, response: rootResponse } = await expectText(`${baseUrl}/`, 200);
-  assert(rootHtml.includes("Gateway Checker"), "前端根页面缺少标题");
+  assert(rootHtml.includes("DiAL"), "前端根页面缺少标题");
   assert(rootResponse.headers.get("cache-control") === "no-cache", "前端根页面应使用 no-cache");
 
   const { body: fallbackHtml } = await expectText(`${baseUrl}/dashboard`, 200);
-  assert(fallbackHtml.includes("Gateway Checker"), "SPA fallback 未返回前端入口页面");
+  assert(fallbackHtml.includes("DiAL"), "SPA fallback 未返回前端入口页面");
 
   const assetPath = rootHtml.match(/(?:src|href)="(\/assets\/[^"]+)"/)?.[1];
   assert(assetPath !== undefined, "前端入口页面未引用 /assets/* 资源");
@@ -74,7 +74,7 @@ try {
   assert(asset.status === 200, `静态资源 ${assetPath} 未返回 200`);
 
   const missingAsset = await expectText(`${baseUrl}/assets/not-found.js`, 404);
-  assert(!missingAsset.body.includes("Gateway Checker"), "未知静态资源不应返回前端入口页面");
+  assert(!missingAsset.body.includes("DiAL"), "未知静态资源不应返回前端入口页面");
 
   console.log(`Smoke test passed: ${baseUrl}`);
 } catch (error) {