新增空闲锁屏、修复401等问题，新增文件版本管理、共享库等占位符

frontend/src/router/index.ts

@@ -20,6 +20,7 @@ import ProjectOverview from "../views/ia/ProjectOverview.vue";
 import FinanceContracts from "../views/ia/FinanceContracts.vue";
 import FinanceSpecial from "../views/ia/FinanceSpecial.vue";
 import DrugShipments from "../views/ia/DrugShipments.vue";
+import FileVersionManagement from "../views/ia/FileVersionManagement.vue";
 import StartupFeasibilityEthics from "../views/ia/StartupFeasibilityEthics.vue";
 import StartupMeetingAuth from "../views/ia/StartupMeetingAuth.vue";
 import SubjectManagement from "../views/ia/SubjectManagement.vue";
@@ -27,6 +28,8 @@ import MonitoringPlaceholder from "../views/ia/MonitoringPlaceholder.vue";
 import AuditPlaceholder from "../views/ia/AuditPlaceholder.vue";
 import KnowledgeMedicalConsult from "../views/ia/KnowledgeMedicalConsult.vue";
 import KnowledgeNotes from "../views/ia/KnowledgeNotes.vue";
+import KnowledgeSupportFiles from "../views/ia/KnowledgeSupportFiles.vue";
+import KnowledgeInstructionFiles from "../views/ia/KnowledgeInstructionFiles.vue";
 import ContractForm from "../views/finance/ContractForm.vue";
 import ContractDetail from "../views/finance/ContractDetail.vue";
 import SpecialForm from "../views/finance/SpecialForm.vue";
@@ -161,6 +164,12 @@ const routes: RouteRecordRaw[] = [
         component: ShipmentForm,
         meta: { title: TEXT.common.actions.edit + TEXT.menu.drugShipments, requiresStudy: true },
       },
+      {
+        path: "file-versions",
+        name: "FileVersionManagement",
+        component: FileVersionManagement,
+        meta: { title: TEXT.menu.fileVersionManagement, requiresStudy: true },
+      },
       {
         path: "startup/feasibility-ethics",
         name: "StartupFeasibilityEthics",
@@ -317,6 +326,18 @@ const routes: RouteRecordRaw[] = [
         component: NoteForm,
         meta: { title: TEXT.common.actions.edit + TEXT.menu.knowledgeNotes, requiresStudy: true },
       },
+      {
+        path: "knowledge/support-files",
+        name: "KnowledgeSupportFiles",
+        component: KnowledgeSupportFiles,
+        meta: { title: TEXT.menu.knowledgeSupportFiles, requiresStudy: true },
+      },
+      {
+        path: "knowledge/instruction-files",
+        name: "KnowledgeInstructionFiles",
+        component: KnowledgeInstructionFiles,
+        meta: { title: TEXT.menu.knowledgeInstructionFiles, requiresStudy: true },
+      },
     ],
   },
   {
@@ -383,8 +404,7 @@ router.beforeEach(async (to, _from, next) => {
     try {
       await auth.fetchMe();
     } catch {
-      // token 失效或用户不可用时立即登出，避免重复 401
-      auth.logout();
+      // 由统一的认证处理流程处理 401/403
     }
   }
   const token = getToken();