refactor(beaver): 移除Hermes相关引用和迁移代码，完善Beaver后端主线实现

移除了所有Hermes相关的命名引用，包括：
- 从.gitignore中清理相关构建缓存文件
- 将README中的beaver-home路径配置更新
- 完善backend/README.md文档说明Beaver后端主线实现
- 移除Hermes风格的相关注释和兼容性代码
- 清理nanobot环境变量兼容性处理
- 删除技能迁移和服务迁移相关功能代码
- 更新测试用例中相关命名和函数名

BREAKING CHANGE: 移除了Hermes迁移相关API和CLI命令，不再支持nanobot环境变量兼容性

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

@@ -3,14 +3,14 @@
 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';
+import type { TaskRuntimeStatus } from '@/lib/task-runtime';
+import { taskRuntimeStatusLabel } from '@/lib/task-runtime';
 
-export function OfficeStatusBadge({
+export function TaskRuntimeStatusBadge({
   status,
   className,
 }: {
-  status: OfficeTaskStatus;
+  status: TaskRuntimeStatus;
   className?: string;
 }) {
   const { locale } = useAppI18n();
@@ -30,12 +30,12 @@ export function OfficeStatusBadge({
         className
       )}
     >
-      {officeTaskStatusLabel(status, locale)}
+      {taskRuntimeStatusLabel(status, locale)}
     </Badge>
   );
 }
 
-export function formatOfficeTime(value?: string | null, locale: 'zh-CN' | 'en-US' = 'zh-CN'): string {
+export function formatTaskRuntimeTime(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;
@@ -47,7 +47,7 @@ export function formatOfficeTime(value?: string | null, locale: 'zh-CN' | 'en-US
   }).format(date);
 }
 
-export function formatOfficeDuration(durationMs: number | null, locale: 'zh-CN' | 'en-US' = 'zh-CN'): string {
+export function formatTaskRuntimeDuration(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';
 
@@ -65,15 +65,3 @@ export function progressPercent(value: number | null, max: number | null): numbe
   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'
-  );
-}