feat: remove agent audit page and set dashboard as root path

frontend/src/app/routes.tsx

@@ -24,9 +24,9 @@ export interface RouteConfig {
 const routes: RouteConfig[] = [
   {
     name: "Agent审计",
-    path: "/",
+    path: "/agent-audit",
     element: <AgentAudit />,
-    visible: true,
+    visible: false,
   },
   {
     name: "Agent审计任务",
@@ -36,7 +36,7 @@ const routes: RouteConfig[] = [
   },
   {
     name: "仪表盘",
-    path: "/dashboard",
+    path: "/",
     element: <Dashboard />,
     visible: true,
   },

frontend/src/components/layout/Sidebar.tsx

@@ -29,8 +29,8 @@ import routes from "@/app/routes";
 
 // Icon mapping for routes with consistent sizing
 const routeIcons: Record<string, React.ReactNode> = {
-    "/": <Bot className="w-5 h-5" />,
+    "/": <LayoutDashboard className="w-5 h-5" />,
-    "/dashboard": <LayoutDashboard className="w-5 h-5" />,
+    "/agent-audit": <Bot className="w-5 h-5" />,
     "/projects": <FolderGit2 className="w-5 h-5" />,
     "/instant-analysis": <Zap className="w-5 h-5" />,
     "/audit-tasks": <ListTodo className="w-5 h-5" />,

frontend/src/pages/AgentAudit/index.tsx

@@ -980,7 +980,7 @@ function AgentAuditPageContent() {
                   {isRunning ? (
                     <div className="flex flex-col items-center gap-3 p-6">
                       <Loader2 className="w-6 h-6 animate-spin text-violet-600 dark:text-violet-500" />
-                      <span className="font-mono text-center">INITIALIZING<br/>AGENTS...</span>
+                      <span className="font-mono text-center">INITIALIZING<br />AGENTS...</span>
                     </div>
                   ) : (
                     <div className="flex flex-col items-center gap-2 p-6 text-center">

frontend/src/pages/AuditTasks.tsx

@@ -574,7 +574,7 @@ export default function AuditTasks() {
             </Button>
           )}
           {activeTab === "agent" && (
-            <Button className="cyber-btn-primary h-10" onClick={() => navigate("/")}>
+            <Button className="cyber-btn-primary h-10" onClick={() => navigate("/agent-audit")}>
               <Bot className="w-4 h-4 mr-2" />
               新建Agent审计
             </Button>
@@ -790,7 +790,7 @@ export default function AuditTasks() {
                 {searchTerm || statusFilter !== "all" ? '尝试调整搜索条件或筛选器' : '创建第一个Agent审计任务开始智能安全审计'}
               </p>
               {!searchTerm && statusFilter === "all" && (
-                <Button className="cyber-btn-primary" onClick={() => navigate("/")}>
+                <Button className="cyber-btn-primary" onClick={() => navigate("/agent-audit")}>
                   <Bot className="w-4 h-4 mr-2" />
                   创建Agent审计
                 </Button>

frontend/src/pages/Dashboard.tsx

@@ -442,8 +442,7 @@ export default function Dashboard() {
                     }}
                   >
                     <div className="flex items-center gap-3">
-                      <div className={`w-8 h-8 rounded-lg flex items-center justify-center ${
+                      <div className={`w-8 h-8 rounded-lg flex items-center justify-center ${task.status === 'completed' ? 'bg-emerald-500/20 text-emerald-400' :
-                        task.status === 'completed' ? 'bg-emerald-500/20 text-emerald-400' :
                           task.status === 'running' ? 'bg-sky-500/20 text-sky-400' :
                             'bg-rose-500/20 text-rose-400'
                         }`}>
@@ -595,8 +594,7 @@ export default function Dashboard() {
                     <Link
                       key={task.id}
                       to={`/tasks/${task.id}`}
-                      className={`block p-3 rounded-lg border transition-all ${
+                      className={`block p-3 rounded-lg border transition-all ${task.status === 'completed' ? 'bg-emerald-500/5 border-emerald-500/20 hover:border-emerald-500/40' :
-                        task.status === 'completed' ? 'bg-emerald-500/5 border-emerald-500/20 hover:border-emerald-500/40' :
                           task.status === 'running' ? 'bg-sky-500/5 border-sky-500/20 hover:border-sky-500/40' :
                             task.status === 'failed' ? 'bg-rose-500/5 border-rose-500/20 hover:border-rose-500/40' :
                               'bg-muted/30 border-border hover:border-border'