refactor: enforce 800 line source limits

web/src/composables/useAppShell.js

@@ -29,6 +29,12 @@ import { createCurrentYearDateRange } from '../utils/dateRangeDefaults.js'
 const SESSION_TYPE_EXPENSE = 'expense'
 const SMART_ENTRY_SOURCE_APPLICATION = 'application'
 const SMART_ENTRY_SOURCE_REIMBURSEMENT = 'topbar'
+const DOCUMENT_DETAIL_RETURN_TARGETS = new Set(['workbench', 'conversation'])
+
+function resolveDocumentDetailReturnTarget(value) {
+  const target = String(value || '').trim()
+  return DOCUMENT_DETAIL_RETURN_TARGETS.has(target) ? target : ''
+}
 
 export function useAppShell() {
   const route = useRoute()
@@ -99,10 +105,13 @@ export function useAppShell() {
   })
 
   const detailMode = computed(() => route.name === 'app-document-detail')
-  const detailReturnTarget = computed(() => String(route.query.returnTo || '').trim())
-  const detailBackLabel = computed(() => (
-    detailReturnTarget.value === 'workbench' ? '返回首页' : '返回单据中心'
-  ))
+  const detailReturnTarget = computed(() => resolveDocumentDetailReturnTarget(route.query.returnTo))
+  const detailBackLabel = computed(() => {
+    if (detailReturnTarget.value === 'conversation') {
+      return '返回对话'
+    }
+    return detailReturnTarget.value === 'workbench' ? '返回首页' : '返回单据中心'
+  })
   const detailAlerts = computed(() => (
     detailMode.value
       ? buildDetailAlerts(selectedRequest.value, { currentUser: currentUser.value })
@@ -553,9 +562,9 @@ export function useAppShell() {
 
   function buildDocumentDetailQuery(options = {}) {
     const nextQuery = { ...route.query }
-    const returnTo = String(options.returnTo || '').trim()
-    if (returnTo === 'workbench') {
-      nextQuery.returnTo = 'workbench'
+    const returnTo = resolveDocumentDetailReturnTarget(options.returnTo)
+    if (returnTo) {
+      nextQuery.returnTo = returnTo
     } else {
       delete nextQuery.returnTo
     }
@@ -583,12 +592,15 @@ export function useAppShell() {
   }
 
   function closeRequestDetail() {
-    if (detailReturnTarget.value === 'workbench') {
-      router.push({ name: 'app-workbench' })
-      return
+    if (detailReturnTarget.value === 'conversation') {
+      return router.push({ name: 'app-workbench' })
     }
 
-    router.push({ name: 'app-documents', query: buildDocumentReturnQuery() })
+    if (detailReturnTarget.value === 'workbench') {
+      return router.push({ name: 'app-workbench' })
+    }
+
+    return router.push({ name: 'app-documents', query: buildDocumentReturnQuery() })
   }
 
   async function handleRequestUpdated(payload = {}) {
@@ -655,6 +667,7 @@ export function useAppShell() {
     smartEntrySessionId,
     detailAlerts,
     detailBackLabel,
+    detailReturnTarget,
     toast,
     topBarView
   }