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/ui/certd-client/src/locales/langs/en-US/certd/sys-settings.ts

@@ -91,6 +91,8 @@ export default {
       reverseProxyEmpty: "No reverse proxy list configured",
       environmentVars: "Environment Variables",
       environmentVarsHelper: "configure the runtime environment variables, one per line, format: KEY=VALUE",
+      commonHeaders: "Common Headers",
+      commonHeadersHelper: "Common headers automatically added to server-side HTTP requests, one per line, format: KEY=VALUE. Existing request headers with the same name are not overwritten.",
 
       bindUrl: "Bind URL",
       bindUrlHelper: "Bind URL, used as your site URL in notifications",

packages/ui/certd-client/src/locales/langs/zh-CN/certd/sys-settings.ts

@@ -89,6 +89,8 @@ export default {
       reverseProxyEmpty: "未配置反向代理",
       environmentVars: "环境变量",
       environmentVarsHelper: "配置运行时环境变量，每行一个，格式：KEY=VALUE",
+      commonHeaders: "公共请求头",
+      commonHeadersHelper: "服务端发起 HTTP 请求时自动附加的公共请求头，每行一个，格式：KEY=VALUE；请求中已设置同名 Header 时不会覆盖\n注意: 不要将token等敏感内容放在此处，仅限个人和公司内部使用，商业版不要设置",
       bindUrl: "绑定URL",
       bindUrlHelper: "绑定URL，在各类通知中显示你的站点URL",
     },

packages/ui/certd-client/src/store/settings/api.basic.ts

@@ -99,6 +99,7 @@ export type SuiteSetting = {
 export type SysPrivateSetting = {
   httpProxy?: string;
   httpsProxy?: string;
+  commonHeaders?: string;
   reverseProxies?: any;
   dnsResultOrder?: string;
   commonCnameEnabled?: boolean;

packages/ui/certd-client/src/views/sys/settings/tabs/network.vue

@@ -19,6 +19,11 @@
         <div class="helper">{{ t("certd.sys.setting.environmentVarsHelper") }}</div>
       </a-form-item>
 
+      <a-form-item :label="t('certd.sys.setting.commonHeaders')" :name="['private', 'commonHeaders']">
+        <a-textarea v-model:value="formState.private.commonHeaders" :placeholder="commonHeadersExample" rows="4" />
+        <div class="helper">{{ t("certd.sys.setting.commonHeadersHelper") }}</div>
+      </a-form-item>
+
       <a-form-item :label="t('certd.dualStackNetwork')" :name="['private', 'dnsResultOrder']">
         <a-select v-model:value="formState.private.dnsResultOrder">
           <a-select-option value="verbatim">{{ t("certd.default") }}</a-select-option>
@@ -64,6 +69,10 @@ const environmentVarsExample = ref(
   `ALIYUN_CLIENT_CONNECT_TIMEOUT=16000 #连接超时，单位毫秒
 ALIYUN_CLIENT_READ_TIMEOUT=16000 #读取数据超时，单位毫秒`
 );
+const commonHeadersExample = ref(
+  `User-Agent=certd
+X-Custom-Header=value`
+);
 
 const formState = reactive<Partial<SysSettings>>({
   public: {},