feat(perception): 智能感知模块 - event feed, SSE impact analysis, tab registration

frontend/src/components/layout/Tabs.tsx

@@ -3,6 +3,7 @@ import { useTheme, useApp } from '../../contexts';
 import type { TabId } from '../../contexts';
 
 const tabs: Array<{ id: TabId; label: string }> = [
+  { id: 'perception', label: '智能感知' },
   { id: 'docs', label: '文档管理' },
   { id: 'compliance', label: '合规分析' },
   { id: 'status', label: '系统状态' },