fix: 优化报销创建页面样式与洞察面板交互

修复侧边栏和审计视图样式细节，完善差旅报销洞察面板和消息
组件布局，优化报销创建页面会话管理和流程状态持久化，增强
申请预览工具函数和导航图标，补充单元测试。

web/src/views/scripts/TravelReimbursementCreateView.js

@@ -163,16 +163,19 @@ import {
   HOT_KNOWLEDGE_QUESTIONS,
   INTENT_LABELS,
   SCENARIO_LABELS,
+  SESSION_TYPE_BUDGET,
   SESSION_TYPE_APPLICATION,
   SESSION_TYPE_APPROVAL,
   SESSION_TYPE_EXPENSE,
   SESSION_TYPE_KNOWLEDGE,
+  canUseBudgetAssistantSession,
   aiAvatar,
   buildExpenseIntentConfirmationMessage,
   buildExpenseSceneSelectionMessage,
   buildMessageMeta,
   buildWelcomeInsight,
   createMessage,
+  filterAssistantSessionModes,
   resolveAssistantSessionMode,
   resolveKnowledgeRankLabel,
   resolveKnowledgeRankTone,
@@ -610,11 +613,12 @@ export default {
     const isKnowledgeSession = computed(() => activeSessionType.value === SESSION_TYPE_KNOWLEDGE)
     const isApplicationSession = computed(() => activeSessionType.value === SESSION_TYPE_APPLICATION)
     const activeAssistantMode = computed(() => resolveAssistantSessionMode(activeSessionType.value))
-    const assistantHeaderTitle = computed(() => activeAssistantMode.value?.label || '财务助手')
-    const assistantHeaderDescription = computed(() => activeAssistantMode.value?.description || '个人财务中心')
+    const assistantHeaderTitle = computed(() => '个人工作台')
+    const assistantHeaderDescription = computed(() => '个人工作窗，一站式费控解决枢纽')
     const {
       flowRunId,
       flowSteps,
+      visibleFlowSteps,
       flowRefreshBusy,
       completedFlowStepCount,
       flowOverallStatusTone,
@@ -1084,7 +1088,7 @@ export default {
     const isReviewOverviewDrawer = computed(() => reviewDrawerMode.value === REVIEW_DRAWER_MODE_REVIEW)
 
     const shortcuts = computed(() =>
-      ASSISTANT_SESSION_MODE_OPTIONS.map((mode) => ({
+      filterAssistantSessionModes(ASSISTANT_SESSION_MODE_OPTIONS, currentUser.value).map((mode) => ({
         label: mode.label,
         icon: mode.icon,
         action: 'switch_view',
@@ -1099,7 +1103,11 @@ export default {
         // reviewDrawerMode.value = resolveReviewRiskBriefs(payload).length
         //   ? REVIEW_DRAWER_MODE_RISK
         //   : REVIEW_DRAWER_MODE_REVIEW
+        const shouldKeepFlowDrawer = reviewDrawerMode.value === REVIEW_DRAWER_MODE_FLOW && flowSteps.value.length > 0
         resetReviewDrawerFromPayload(payload)
+        if (shouldKeepFlowDrawer) {
+          reviewDrawerMode.value = REVIEW_DRAWER_MODE_FLOW
+        }
       },
       { immediate: true }
     )
@@ -1359,6 +1367,10 @@ export default {
 
     async function runShortcut(shortcut) {
       if (shortcut?.action === 'switch_view' && shortcut?.targetSessionType) {
+        if (shortcut.targetSessionType === SESSION_TYPE_BUDGET && !canUseBudgetAssistantSession(currentUser.value)) {
+          toast('目前暂无权限访问预算编制助手')
+          return
+        }
         if (shortcut.active) {
           return
         }
@@ -1444,6 +1456,10 @@ export default {
         const actionPayload = action?.payload && typeof action.payload === 'object' ? action.payload : {}
         const targetSessionType = String(actionPayload.session_type || '').trim()
         if (!targetSessionType) return
+        if (targetSessionType === SESSION_TYPE_BUDGET && !canUseBudgetAssistantSession(currentUser.value)) {
+          toast('目前暂无权限访问预算编制助手')
+          return
+        }
         const carryText = String(actionPayload.carry_text || '').trim()
         const carryFiles = actionPayload.carry_files ? Array.from(attachedFiles.value || []) : []
         if (!lockSuggestedActionMessage(message, action)) return
@@ -1714,6 +1730,14 @@ export default {
       return buildApplicationPreviewFooterMessage(message.applicationPreview)
     }
 
+    function resolveApplicationPreviewMissingFields(message) {
+      if (!message?.applicationPreview) {
+        return []
+      }
+      const normalizedPreview = normalizeApplicationPreview(message.applicationPreview)
+      return Array.isArray(normalizedPreview.missingFields) ? normalizedPreview.missingFields : []
+    }
+
     function openApplicationSubmitConfirm(message) {
       if (!message) {
         return
@@ -2128,6 +2152,7 @@ export default {
       resolveApplicationPreviewRows,
       resolveApplicationPreviewEditorControl,
       resolveApplicationPreviewEditorOptions,
+      resolveApplicationPreviewMissingFields,
       isApplicationPreviewEditing,
       openApplicationPreviewEditor,
       commitApplicationPreviewEditor,
@@ -2193,6 +2218,7 @@ export default {
       flowRefreshBusy: flowRefreshBusy.value,
       refreshFlowRunDetail,
       flowSteps: flowSteps.value,
+      visibleFlowSteps: visibleFlowSteps.value,
       resolveFlowStepStatusLabel,
       formatFlowStepDuration,
       resolveFlowStepDetail,