fix: restore assistant and move exam navigation

src/layout/components/Navbar.vue

@@ -146,6 +146,12 @@ const mentList = ref([
     role: 2,
     activePrefix: "/admin-student",
   },
+  {
+    name: "考试考核",
+    path: "/examination/index",
+    role: 4,
+    activePrefix: "/examination",
+  },
   {
     name: "实验报告",
     path: "/report/index",

src/layout/components/Sidebar/index.vue

@@ -294,6 +294,7 @@ const sidebarStyle = computed(() => {
   };
 });
 const studentCourseNav = [
+  { title: "AI智能助手", path: "/assistant/index", activePrefix: "/assistant" },
   {
     title: "互联网产品开发基础",
     children: [
@@ -393,13 +394,14 @@ const trainingTaskKeyByPath = {
   "/assessment/diagnosis": "product-diagnosis-iteration",
 };
 const studentCourseBaseNav = [
-  { title: "考试考核", path: "/examination/index", activePrefix: "/examination" },
+  { title: "AI智能助手", path: "/assistant/index", activePrefix: "/assistant" },
 ];
 const studentTaskSections = ref([]);
 const currentCourseNav = computed(() => (isTeacherRole.value
   ? filterTeacherManageNavigation(teacherManageNav)
   : [...studentCourseBaseNav, ...studentTaskSections.value]));
 const studentIconByPath = {
+  "/assistant/index": "MagicStick",
   "/comprehensive/index": "School",
   "/foundation/new-product-survey": "Search",
   "/foundation/product-development-factors": "SetUp",
@@ -435,7 +437,6 @@ const studentIconByPath = {
   "/task-review/index": "DocumentChecked",
   "/score/index": "DataBoard",
   "/exam/index": "Finished",
-  "/examination/index": "Finished",
 };
 const studentIconBySectionStart = [
   { path: "/training/", icon: "Document" },