feat(ui): finalize shared shells and loading states

web/src/composables/useAppShell.js

@@ -42,11 +42,12 @@ export function useAppShell() {
     filters,
     ranges,
     activeRange,
-    filteredRequests,
-    approveRequest,
-    rejectRequest,
-    reload: reloadRequests
-  } = useRequests()
+    filteredRequests,
+    approveRequest,
+    rejectRequest,
+    ensureLoaded: ensureRequestsLoaded,
+    reload: reloadRequests
+  } = useRequests()
   const { currentUser } = useSystemState()
   const { toast } = useToast()
 
@@ -80,26 +81,22 @@ export function useAppShell() {
     }
 
     return null
-  })
-
+  })
+
   const detailMode = computed(() => route.name === 'app-document-detail')
-  const logDetailMode = computed(() => route.name === 'app-log-detail')
   const detailAlerts = computed(() => (detailMode.value ? buildDetailAlerts(selectedRequest.value) : []))
 
-  const documentsListActive = computed(() => activeView.value === 'documents' && !detailMode.value)
-  const workbenchActive = computed(() => activeView.value === 'workbench')
+  const requestsNeeded = computed(() => ['documents', 'workbench'].includes(activeView.value))
 
-  watch(documentsListActive, (isActive, wasActive) => {
-    if (isActive && !wasActive) {
-      void reloadRequests()
-    }
-  })
-
-  watch(workbenchActive, (isActive, wasActive) => {
-    if (isActive && !wasActive) {
-      void reloadRequests()
-    }
-  })
+  watch(
+    requestsNeeded,
+    (isNeeded) => {
+      if (isNeeded) {
+        void ensureRequestsLoaded()
+      }
+    },
+    { immediate: true }
+  )
 
   const workbenchSummary = computed(() =>
     buildWorkbenchSummary(requests.value, currentUser.value)
@@ -118,15 +115,8 @@ export function useAppShell() {
       }
     }
 
-    if (logDetailMode.value) {
-      return {
-        title: '日志详情',
-        desc: '查看单条日志的解析结果、上下文信息与原始记录。'
-      }
-    }
-
-    return currentView.value
-  })
+    return currentView.value
+  })
 
   const requestSummary = computed(() =>
     filteredRequests.value.reduce(
@@ -351,10 +341,9 @@ export function useAppShell() {
     closeRequestDetail,
     closeSmartEntry,
     currentView,
-    customRange,
-    detailMode,
-    logDetailMode,
-    filteredRequests,
+    customRange,
+    detailMode,
+    filteredRequests,
     filters,
     handleApprove,
     handleDraftSaved,