feat: 引入 ECharts 统一图表并完善员工画像标签分页

后端优化员工行为画像服务和辅助函数，完善系统设置模型和
配置持久化，前端引入 ECharts 替换所有图表组件实现统一
渲染，新增员工画像标签分页器和数字员工工作记录组件，优
化工作台响应式布局和登录页过渡动画，完善预算中心和数字
员工页面样式细节。

web/src/views/AppShellRouteView.vue

@@ -1,6 +1,27 @@
 <template>
-  <div class="app" :class="{ 'sidebar-collapsed': sidebarCollapsed, 'mobile-sidebar-open': mobileSidebarOpen }">
+  <div
+    class="app"
+    :class="{
+      'sidebar-collapsed': sidebarCollapsed,
+      'mobile-sidebar-open': mobileSidebarOpen,
+      'login-entry-active': loginEntryAnimating
+    }"
+  >
     <div class="mobile-overlay" aria-hidden="true" @click="mobileSidebarOpen = false"></div>
+    <Transition name="login-entry-veil">
+      <div v-if="loginEntryAnimating" class="login-entry-veil" aria-live="polite" aria-label="登录成功，正在进入工作台">
+        <div class="login-entry-card">
+          <span class="login-entry-mark" aria-hidden="true">
+            <i class="mdi mdi-shield-check-outline"></i>
+          </span>
+          <div class="login-entry-copy">
+            <strong>登录成功</strong>
+            <span>正在进入工作台</span>
+          </div>
+          <span class="login-entry-progress" aria-hidden="true"></span>
+        </div>
+      </div>
+    </Transition>
     <div class="app-sidebar">
       <SidebarRail
         :nav-items="filteredNavItems"
@@ -148,7 +169,7 @@
 </template>
 
 <script setup>
-import { computed, ref } from 'vue'
+import { computed, onBeforeUnmount, onMounted, ref } from 'vue'
 
 import SidebarRail from '../components/layout/SidebarRail.vue'
 import TopBar from '../components/layout/TopBar.vue'
@@ -170,14 +191,35 @@ import SettingsView from './SettingsView.vue'
 import { useAppShell } from '../composables/useAppShell.js'
 import { useSystemState } from '../composables/useSystemState.js'
 import { filterNavItemsByAccess } from '../utils/accessControl.js'
+import { consumeLoginEntryTransition } from '../utils/loginEntryTransition.js'
 
 const employeeSummary = ref(null)
 const knowledgeSummary = ref(null)
 const logsSummary = ref(null)
 const documentSummary = ref(null)
 const auditDetailOpen = ref(false)
+const loginEntryAnimating = ref(false)
 const sidebarCollapsed = ref(false)
 const mobileSidebarOpen = ref(false)
+let loginEntryTimer = null
+
+function stopLoginEntryAnimation() {
+  if (loginEntryTimer) {
+    window.clearTimeout(loginEntryTimer)
+    loginEntryTimer = null
+  }
+
+  loginEntryAnimating.value = false
+}
+
+function playLoginEntryAnimation() {
+  if (!consumeLoginEntryTransition()) {
+    return
+  }
+
+  loginEntryAnimating.value = true
+  loginEntryTimer = window.setTimeout(stopLoginEntryAnimation, 920)
+}
 
 function toggleSidebarCollapsed() {
   sidebarCollapsed.value = !sidebarCollapsed.value
@@ -236,4 +278,12 @@ const filteredNavItems = computed(() => filterNavItemsByAccess(navItems, current
 function handleLogout() {
   logout('manual')
 }
+
+onMounted(() => {
+  playLoginEntryAnimation()
+})
+
+onBeforeUnmount(() => {
+  stopLoginEntryAnimation()
+})
 </script>