perf(network): 新增全局公共http请求 headers设置

1. 新增公共请求头配置项，支持在系统设置中配置全局请求头
2. 实现请求头解析工具方法，支持多行KEY=VALUE格式配置
3. 在请求发起时自动附加全局公共请求头，且不会覆盖请求中已存在的同名Header
4. 添加多语言配置与前端表单组件，完善配置界面
5. 新增单元测试验证全局请求头合并逻辑

packages/core/basic/src/utils/util.request.ts

@@ -82,6 +82,7 @@ export class HttpError extends Error {
 export const HttpCommonError = HttpError;
 
 let defaultAgents = createAgent();
+let defaultHeaders: Record<string, string> = {};
 
 export function setGlobalProxy(opts: { httpProxy?: string; httpsProxy?: string }) {
   logger.info("setGlobalProxy:", opts);
@@ -92,6 +93,15 @@ export function getGlobalAgents() {
   return defaultAgents;
 }
 
+export function setGlobalHeaders(headers: Record<string, string> = {}) {
+  logger.info("setGlobalHeaders:", Object.keys(headers));
+  defaultHeaders = { ...headers };
+}
+
+export function getGlobalHeaders() {
+  return defaultHeaders;
+}
+
 /**
  * @description 创建请求实例
  */
@@ -148,6 +158,12 @@ export function createAxiosService({ logger }: { logger: ILogger }) {
       config.httpsAgent = agents.httpsAgent;
       config.httpAgent = agents.httpAgent;
 
+      if (Object.keys(defaultHeaders).length > 0) {
+        const headers = AxiosHeaders.from(defaultHeaders);
+        headers.set(config.headers || {});
+        config.headers = headers;
+      }
+
       // const agent = new https.Agent({
       //   rejectUnauthorized: false  // 允许自签名证书
       // });