feat: 添加MinIO文件系统支持并优化外部连接器功能

- 添加MinIO用户文件系统配置选项(BEAVER_MINIO_ROOT_USER等)
- 更新外部连接器配置结构，包括BASE_URL和认证令牌设置
- 改进connector provider支持更多类型(official, feishu_bot等)
- 实现Mistral模型推理模式支持reasoning_effort参数
- 增强外部连接器策略配置和运行时配置管理
- 添加connector bridge事件验证和安全保护机制
- 优化任务路由逻辑，区分simple_chat和new_task场景
- 更新初始技能工具提示配置，分离authoring admin功能

app-instance/frontend/components/task-detail/TaskLiveHeader.tsx

@@ -43,17 +43,17 @@ export function TaskLiveHeader({ task, activeLabel, durationMs, reviewTargetId }
   const showReviewLink = Boolean(reviewTargetId && ['awaiting_acceptance', 'needs_revision'].includes(task.status));
 
   return (
-    <header className="sticky top-0 z-20 border-b border-border bg-background/95 backdrop-blur supports-[backdrop-filter]:bg-background/80">
+    <header className="sticky top-[65px] z-20 min-w-0 border-b border-border bg-background/95 backdrop-blur supports-[backdrop-filter]:bg-background/80">
       <div className="mx-auto flex max-w-7xl flex-col gap-3 px-4 py-3 sm:px-6">
         <div className="flex flex-wrap items-center justify-between gap-2">
           <div className="flex flex-wrap items-center gap-2">
-            <Button asChild variant="outline" size="sm">
+            <Button asChild variant="outline" size="sm" className="h-11">
               <Link href="/tasks">
                 <ArrowLeft className="mr-2 h-4 w-4" />
                 {pickAppText(locale, '返回任务', 'Back to tasks')}
               </Link>
             </Button>
-            <Button asChild variant="ghost" size="sm">
+            <Button asChild variant="ghost" size="sm" className="h-11">
               <Link href="/">
                 <MessageSquare className="mr-2 h-4 w-4" />
                 {pickAppText(locale, '对话', 'Chat')}
@@ -70,7 +70,7 @@ export function TaskLiveHeader({ task, activeLabel, durationMs, reviewTargetId }
             )}
             {activeLabel ? <Badge variant="secondary">{activeLabel}</Badge> : null}
             {showReviewLink ? (
-              <Button asChild variant="default" size="sm">
+              <Button asChild variant="default" size="sm" className="h-11">
                 <a href={`#${reviewTargetId}`}>
                   <CheckCircle2 className="mr-2 h-4 w-4" />
                   {pickAppText(locale, '验收', 'Review')}