feat: 新增归档中心页面并完善知识库与报销查询能力

新增前端归档中心视图及相关工具函数，扩充知识库文档分类和
提取器支持多种格式，增强编排器报销查询的多维度检索，优
化本体规则和用户代理审核消息，前端完善报销创建和审批详
情交互细节，补充单元测试覆盖。

web/src/views/scripts/useTravelReimbursementSessionState.js

@@ -29,7 +29,6 @@ export function useTravelReimbursementSessionState({
   linkedRequest,
   toast,
   composerDraft,
-  uploadDecisionDialogOpen,
   adjustComposerTextareaHeight,
   scrollToBottom,
   getSessionRuntimeRefs = () => ({})
@@ -122,6 +121,7 @@ export function useTravelReimbursementSessionState({
   }
 
   const initialSessionType = resolveInitialSessionType(props.initialConversation)
+  const shouldPersistLocalSnapshot = props.entrySource !== 'detail'
   const conversationInitialState = props.initialConversation
     ? buildConversationSessionState(props.initialConversation, initialSessionType)
     : buildEmptySessionState(initialSessionType)
@@ -172,6 +172,10 @@ export function useTravelReimbursementSessionState({
   }
 
   function persistSessionState(sessionState = null) {
+    if (!shouldPersistLocalSnapshot) {
+      return
+    }
+
     const state = sessionState || captureCurrentSessionState()
     const persistedState = buildPersistableSessionState(state)
     const meaningful = Boolean(
@@ -240,7 +244,6 @@ export function useTravelReimbursementSessionState({
     }
     composerUploadIntent.value = String(nextState.composerUploadIntent || '').trim()
     insightPanelCollapsed.value = Boolean(nextState.insightPanelCollapsed)
-    uploadDecisionDialogOpen.value = false
     nextTick(() => {
       adjustComposerTextareaHeight()
       scrollToBottom()