feat: 清除全部mock数据，Ansible/日志/告警中心/角色权限接真实API；移除SQL审计(不属于项目定位)

frontend/src/components/layout/Sidebar.tsx

@@ -28,12 +28,10 @@ import {
   Key,
   Compass,
   Brain,
-  ScrollText,
   FileTerminal,
   Activity,
   BarChart3,
   GitBranch,
-  Monitor,
   Bot,
   AlertTriangle,
 } from 'lucide-react';
@@ -92,8 +90,6 @@ const menuItems: MenuItem[] = [
       { id: 'metrics', name: '指标监控', icon: Cpu, path: '/metrics' },
       { id: 'alert-center', name: '告警中心', icon: Bell, path: '/alert-center' },
       { id: 'logs-monitor', name: '日志能力', icon: FileCode, path: '/logs-monitor' },
-      { id: 'trace', name: '链路追踪', icon: GitBranch, path: '/trace' },
-      { id: 'grafana', name: '监控大屏', icon: Monitor, path: '/grafana' },
       { id: 'agent-alerts', name: 'Agent告警', icon: AlertTriangle, path: '/agent-alerts' },
     ],
   },
@@ -120,7 +116,6 @@ const menuItems: MenuItem[] = [
       { id: 'ai-script-generator', name: 'AI脚本生成', icon: FileCode, path: '/ai-script-generator' },
       { id: 'ai-fault-diagnosis', name: '故障智能诊断', icon: Activity, path: '/ai-fault-diagnosis' },
       { id: 'ai-predictive', name: 'AI预测分析', icon: BarChart3, path: '/ai-predictive' },
-      { id: 'sql-audit', name: 'SQL审计', icon: ScrollText, path: '/sql-audit' },
     ],
   },
   {