feat: 移除backend-old目录中的废弃文件

移除以下文件:
- .dockerignore 和 .gitignore 配置文件
- A2A_Multiagent_change.md 设计文档
- COMMUNICATION.md 通讯信息文档
- Dockerfile 构建配置
- LICENSE 许可证文件

这些文件属于旧版本后端代码，不再需要维护。

app-instance/frontend/components/task-runtime/TaskRuntimeShared.tsx

@@ -0,0 +1,79 @@
+'use client';
+
+import { useAppI18n } from '@/lib/i18n/provider';
+import { Badge } from '@/components/ui/badge';
+import { cn } from '@/lib/utils';
+import type { OfficeTaskStatus, OfficeZoneView } from '@/lib/office';
+import { officeTaskStatusLabel } from '@/lib/office';
+
+export function OfficeStatusBadge({
+  status,
+  className,
+}: {
+  status: OfficeTaskStatus;
+  className?: string;
+}) {
+  const { locale } = useAppI18n();
+
+  return (
+    <Badge
+      variant="outline"
+      className={cn(
+        'border text-[11px]',
+        status === 'done' && 'border-[#B7C2B5] bg-[#E3E8E2] text-[#657162]',
+        status === 'running' && 'border-[#BCC4CE] bg-[#E4E7EB] text-[#697281]',
+        status === 'waiting' && 'border-[#B8AEA8] bg-[#E7E2DE] text-[#5F5550]',
+        status === 'blocked' && 'border-[#B8AEA8] bg-[#E7E2DE] text-[#5F5550]',
+        status === 'queued' && 'border-[#D8D2CE] bg-[#ECE8E5] text-[#4F4642]',
+        status === 'error' && 'border-[#B8AEA8] bg-[#E7E2DE] text-[#342E2B]',
+        status === 'cancelled' && 'border-[#D8D2CE] bg-[#ECE8E5] text-[#6A5E58]',
+        className
+      )}
+    >
+      {officeTaskStatusLabel(status, locale)}
+    </Badge>
+  );
+}
+
+export function formatOfficeTime(value?: string | null, locale: 'zh-CN' | 'en-US' = 'zh-CN'): string {
+  if (!value) return '-';
+  const date = new Date(value);
+  if (Number.isNaN(date.getTime())) return value;
+  return new Intl.DateTimeFormat(locale, {
+    month: '2-digit',
+    day: '2-digit',
+    hour: '2-digit',
+    minute: '2-digit',
+  }).format(date);
+}
+
+export function formatOfficeDuration(durationMs: number | null, locale: 'zh-CN' | 'en-US' = 'zh-CN'): string {
+  if (durationMs === null || durationMs < 0) return '-';
+  if (durationMs < 1000) return locale === 'en-US' ? '<1s' : '<1秒';
+
+  const seconds = Math.floor(durationMs / 1000);
+  const hours = Math.floor(seconds / 3600);
+  const minutes = Math.floor((seconds % 3600) / 60);
+  const remainingSeconds = seconds % 60;
+
+  if (hours > 0) return locale === 'en-US' ? `${hours}h ${minutes}m` : `${hours}小时 ${minutes}分`;
+  if (minutes > 0) return locale === 'en-US' ? `${minutes}m ${remainingSeconds}s` : `${minutes}分 ${remainingSeconds}秒`;
+  return locale === 'en-US' ? `${remainingSeconds}s` : `${remainingSeconds}秒`;
+}
+
+export function progressPercent(value: number | null, max: number | null): number {
+  if (value === null || max === null || max <= 0) return 0;
+  return Math.max(0, Math.min(100, Math.round((value / max) * 100)));
+}
+
+export function zonePanelClassName(zone: OfficeZoneView): string {
+  return cn(
+    'relative min-h-[220px] overflow-hidden rounded-2xl border p-4 shadow-sm',
+    'before:pointer-events-none before:absolute before:inset-0 before:bg-[radial-gradient(circle_at_top_left,rgba(255,255,255,0.9),transparent_40%)]',
+    zone.tone === 'info' && 'border-[#BCC4CE] bg-[#E4E7EB]/70',
+    zone.tone === 'warn' && 'border-[#B8AEA8] bg-[#E7E2DE]/70',
+    zone.tone === 'danger' && 'border-[#B8AEA8] bg-[#E7E2DE]/80',
+    zone.tone === 'success' && 'border-[#B7C2B5] bg-[#E3E8E2]/75',
+    zone.tone === 'neutral' && 'border-border bg-card'
+  );
+}