feat: support a2a mode

frontend/src/i18n/locales/zh.json

@@ -325,6 +325,36 @@
   "dashScope": "DashScope (通义千问)",
   "volcengine": "Volcengine (火山引擎)",
   "tableRowColDesc": "TABLE · {{rowCount}} 行 · {{colCount}} 列",
+  "retry": "重试",
+  "allStates": "全部状态",
+  "refreshHealth": "刷新健康检查",
+  "a2aConfig": "A2A 配置",
+  "a2aAgentManagement": "A2A Agent 管理",
+  "a2aTaskObservability": "A2A 任务观测",
+  "a2aStatus": "A2A 状态",
+  "a2aTaskCreated": "A2A 任务已创建",
+  "a2aTaskFailed": "A2A 任务失败",
+  "a2aModeEnabled": "A2A 模式：开启",
+  "a2aModeDisabled": "A2A 模式：关闭",
+  "autoSelectAgent": "自动选择 Agent",
+  "addA2aAgent": "添加 A2A Agent",
+  "editA2aAgent": "编辑 A2A Agent",
+  "saveA2aAgent": "保存 A2A Agent",
+  "a2aAgentName": "A2A Agent 名称",
+  "authScheme": "认证方式",
+  "authToken": "认证 Token",
+  "leaveEmptyToKeepUnchanged": "留空表示不修改",
+  "healthStatus": "健康状态",
+  "healthy": "健康",
+  "unhealthy": "异常",
+  "protocol": "协议版本",
+  "capabilities": "能力",
+  "taskId": "任务 ID",
+  "taskSource": "任务来源",
+  "time": "时间",
+  "noA2aAgents": "暂无 A2A Agent",
+  "noA2aTasks": "暂无 A2A 任务",
+  "confirmDeleteA2aAgent": "确定要删除这个 A2A Agent 吗？",
   "projectName": "项目名称",
   "dashboardMenu": "仪表盘",
   "newThread": "新会话",