feat: 新增预算助手报告组件并优化报销交互细节

新增预算助手报告视图模型和组件，优化报销洞察面板和消息项
样式细节，完善预算中心页面布局和文档中心视图，增强报销创
建会话管理和提交编排器，调整 Vite 构建配置，补充单元测试。

web/src/views/scripts/useTravelReimbursementSubmitComposer.js

@@ -16,6 +16,10 @@ import {
 import { fetchOntologyParse } from '../../services/ontology.js'
 import { buildExpenseApplicationOntologyContext } from '../../utils/expenseApplicationOntology.js'
 import { calculateTravelReimbursement } from '../../services/reimbursements.js'
+import {
+  handleBudgetCompileReportSubmit,
+  shouldUseBudgetCompileReport
+} from './budgetAssistantReportModel.js'
 
 export function useTravelReimbursementSubmitComposer(ctx) {
   const {
@@ -444,6 +448,32 @@ export function useTravelReimbursementSubmitComposer(ctx) {
               ? `新上传 ${fileNames.length} 份票据，请单独建立报销单。`
               : `我上传了 ${fileNames.length} 份票据，请帮我识别并整理报销建议。`)
 
+      if (shouldUseBudgetCompileReport(rawText, { sessionType: activeSessionType.value }) && !reviewAction) {
+        return handleBudgetCompileReportSubmit({
+          adjustComposerTextareaHeight,
+          clearAttachedFiles,
+          completeFlowStep,
+          composerBusinessTimeDraftTouched,
+          composerBusinessTimeTags,
+          composerDraft,
+          createMessage,
+          currentUser,
+          fileInputRef,
+          fileNames,
+          messages,
+          nextTick,
+          options,
+          persistSessionState,
+          rawText,
+          replaceMessage,
+          resetFlowRun,
+          scrollToBottom,
+          startFlowStep,
+          submitting,
+          userText
+        })
+      }
+
       const scopeGuard = resolveAssistantScopeGuard(rawText, activeSessionType.value, {
         attachmentCount: files.length,
         hasActiveReviewPayload: Boolean(activeReviewPayload.value),
@@ -535,9 +565,6 @@ export function useTravelReimbursementSubmitComposer(ctx) {
               applicationPreview
             }
           ))
-          if (insightPanelCollapsed) {
-            insightPanelCollapsed.value = true
-          }
           persistSessionState()
           nextTick(scrollToBottom)
         } finally {