feat: 版本管理，package.json 唯一版本源、/api/meta 返回版本、Dashboard Header 展示版本号

tests/server/app.test.ts

@@ -175,6 +175,7 @@ describe("API 路由", () => {
       config: { host: "127.0.0.1", port: 0 },
       mode: "test",
       store,
+      version: "0.1.0",
     });
     baseUrl = `http://127.0.0.1:${server.port}`;
   });
@@ -235,7 +236,7 @@ describe("API 路由", () => {
     expect(invalidLimit.status).toBe(400);
   });
 
-  test("/api/meta 返回 checker 类型列表", async () => {
+  test("/api/meta 返回 checker 类型列表和版本号", async () => {
     const response = await fetch(`${baseUrl}/api/meta`);
     const body = (await response.json()) as MetaResponse;
 
@@ -243,6 +244,7 @@ describe("API 路由", () => {
     expect(body.checkerTypes).toEqual(checkerRegistry.supportedTypes);
     expect(body.checkerTypes).toContain("http");
     expect(body.checkerTypes).toContain("cmd");
+    expect(body.version).toBe("0.1.0");
   });
 
   test("不支持的 method 在有 API 通配符时返回 404", async () => {
@@ -410,6 +412,7 @@ describe("API 路由", () => {
       config: { host: "127.0.0.1", port: 0 },
       mode: "production",
       store,
+      version: "0.1.0",
     });
     try {
       const response = await fetch(`http://127.0.0.1:${prodServer.port}/api/dashboard`);