💄 style: fix group task render (#11952)

* improve task messages render

* improve task messages render

* refactor agent task

* fix tests

* improved ui now

* fix

* fix supervisor issue

* add more tests

* fix agent tasks issue

* update i18n

* update createdAt

* fix tests and update dockerfile

* fix max length

* fix max length

locales/zh-TW/chat.json

@@ -338,6 +338,9 @@
   "task.activity.toolCalling": "正在呼叫 {{toolName}}...",
   "task.activity.toolResult": "已取得 {{toolName}} 結果",
   "task.batchTasks": "{{count}} 個批次子任務",
+  "task.groupTasks": "{{count}} 個並行任務",
+  "task.groupTasksTitle": "{{agents}} 和 {{count}} 個代理任務",
+  "task.groupTasksTitleSimple": "{{agents}} {{count}} 個任務",
   "task.instruction": "任務指示",
   "task.intermediateSteps": "{{count}} 個中間步驟",
   "task.metrics.duration": "（耗時 {{duration}}）",
@@ -345,6 +348,7 @@
   "task.metrics.toolCallsShort": "次使用工具",
   "task.status.cancelled": "任務已取消",
   "task.status.failed": "任務失敗",
+  "task.status.fetchingDetails": "正在擷取詳細資料...",
   "task.status.initializing": "任務啟動中...",
   "task.subtask": "子任務",
   "thread.divider": "子話題",