feat(web): update views

- AuditView.vue: update audit view
- EmployeeManagementView.vue: update employee management view
- RequestsView.vue: update requests view
- TravelRequestDetailView.vue: update travel request detail view

web/src/views/RequestsView.vue

@@ -74,11 +74,19 @@
           <button class="retry-btn" type="button" @click="emit('reload')">重新加载</button>
         </div>
 
-        <div v-else-if="showEmpty" class="table-state empty">
-          <i class="mdi mdi-inbox-arrow-down-outline"></i>
-          <strong>{{ emptyState.title }}</strong>
-          <p>{{ emptyState.desc }}</p>
-        </div>
+        <TableEmptyState
+          v-else-if="showEmpty"
+          :eyebrow="emptyState.eyebrow"
+          :title="emptyState.title"
+          :description="emptyState.desc"
+          :icon="emptyState.icon"
+          :action-label="emptyState.actionLabel"
+          :action-icon="emptyState.actionIcon"
+          :tone="emptyState.tone"
+          :art-label="emptyState.artLabel"
+          :tips="emptyState.tips"
+          @action="handleEmptyAction"
+        />
 
         <table v-else>
           <colgroup>