feat: 增强知识库索引与设置页面模块化拆分

扩展知识库索引任务和 RAG 检索支持增量入库和文档去重，优
化本体检测和规则匹配精度，前端设置页面拆分为 LLM、邮件
和 Hermes 员工同步子面板并重构样式，新增日志详情组件和
知识入库日志模型，补充单元测试覆盖。

web/src/views/scripts/useTravelReimbursementSubmitComposer.js

@@ -1,6 +1,7 @@
 import {
   ATTACHMENT_ASSOCIATION_CONFIRM_HREF,
-  buildAttachmentAssociationConfirmationMessage
+  buildAttachmentAssociationConfirmationMessage,
+  buildUnsavedDraftAttachmentConfirmationMessage
 } from './travelReimbursementAttachmentModel.js'
 
 export function useTravelReimbursementSubmitComposer(ctx) {
@@ -103,10 +104,9 @@ export function useTravelReimbursementSubmitComposer(ctx) {
     }
 
     function buildConfirmedAssociationText(message) {
-      return String(message?.text || '').replace(
-        `[确认](${ATTACHMENT_ASSOCIATION_CONFIRM_HREF})`,
-        '已确认'
-      )
+      return String(message?.text || '')
+        .replace(`[确认](${ATTACHMENT_ASSOCIATION_CONFIRM_HREF})`, '已确认')
+        .replace(`[确定](${ATTACHMENT_ASSOCIATION_CONFIRM_HREF})`, '已确定')
     }
 
     function resolveReviewPanelScope({
@@ -159,6 +159,55 @@ export function useTravelReimbursementSubmitComposer(ctx) {
       message.meta = ['已确认归集']
       persistSessionState()
 
+      if (pending.mode === 'save_then_associate') {
+        const inheritedReviewContext = buildReviewFormContextFromPayload(
+          activeReviewPayload.value,
+          reviewInlineForm.value
+        )
+        const savePayload = await submitComposer({
+          rawText: '请先把当前已识别的报销信息保存为草稿，随后继续归集本次上传的附件。',
+          userText: '',
+          files: [],
+          skipUserMessage: true,
+          pendingText: '正在先保存未保存单据...',
+          systemGenerated: true,
+          extraContext: {
+            ...runtime.extraContext,
+            ...inheritedReviewContext,
+            review_action: 'save_draft'
+          }
+        })
+        const savedClaimId = String(savePayload?.result?.draft_payload?.claim_id || draftClaimId.value || '').trim()
+        const savedClaimNo = String(savePayload?.result?.draft_payload?.claim_no || '').trim()
+        if (!savedClaimId) {
+          toast('当前单据还没有保存成功，请稍后重试。')
+          return savePayload
+        }
+
+        return submitComposer({
+          rawText: `确认将本次上传的 ${runtime.fileNames.length} 份票据归集到草稿 ${savedClaimNo || '当前草稿'}`,
+          userText: `保存草稿并归集 ${runtime.fileNames.length} 份票据`,
+          files: runtime.files,
+          uploadDisposition: 'continue_existing',
+          skipDraftAssociationPrompt: true,
+          skipUserMessage: true,
+          appendToCurrentFlow: true,
+          systemGenerated: true,
+          pendingText: savedClaimNo
+            ? `草稿 ${savedClaimNo} 已保存，正在识别并归集附件...`
+            : '草稿已保存，正在识别并归集附件...',
+          associationConfirmed: true,
+          extraContext: {
+            ...runtime.extraContext,
+            review_action: 'link_to_existing_draft',
+            draft_claim_id: savedClaimId,
+            selected_claim_id: savedClaimId,
+            selected_claim_no: savedClaimNo,
+            attachment_association_confirmed: true
+          }
+        })
+      }
+
       return submitComposer({
         rawText: `确认将本次上传的 ${runtime.fileNames.length} 份票据归集到草稿 ${runtime.claimNo || '当前草稿'}`,
         userText: `确认归集到草稿 ${runtime.claimNo || '当前草稿'}`,
@@ -231,6 +280,7 @@ export function useTravelReimbursementSubmitComposer(ctx) {
 
       const rawText = resolveComposerSubmitText(options.rawText).trim()
       const systemGenerated = Boolean(options.systemGenerated)
+      const appendToCurrentFlow = Boolean(options.appendToCurrentFlow)
       const normalizedFiles = isKnowledgeSession.value ? [] : Array.from(options.files ?? attachedFiles.value)
       const fileMergeResult = mergeFilesWithLimit([], normalizedFiles, MAX_ATTACHMENTS)
       const files = fileMergeResult.files
@@ -308,6 +358,47 @@ 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。`)
 
+      const hasUnsavedReviewDraft = Boolean(
+        !isKnowledgeSession.value &&
+        files.length &&
+        activeReviewPayload.value &&
+        !String(draftClaimId.value || '').trim() &&
+        !detailScopedClaimId &&
+        !resolvedUploadDisposition &&
+        !options.skipDraftAssociationPrompt &&
+        !reviewAction
+      )
+      if (hasUnsavedReviewDraft) {
+        const associationId = createPendingAttachmentAssociationId()
+        pendingAttachmentAssociations.set(associationId, {
+          files,
+          fileNames,
+          filePreviews: buildComposerFilePreviews(files),
+          extraContext
+        })
+        resetFlowRun()
+        if (!options.skipUserMessage) {
+          messages.value.push(createMessage('user', userText, fileNames))
+        }
+        messages.value.push(createMessage(
+          'assistant',
+          buildUnsavedDraftAttachmentConfirmationMessage({ fileNames }),
+          [],
+          {
+            meta: ['等待确认保存并归集'],
+            pendingAttachmentAssociation: {
+              id: associationId,
+              mode: 'save_then_associate',
+              status: 'pending',
+              fileNames
+            }
+          }
+        ))
+        nextTick(scrollToBottom)
+        persistSessionState()
+        return null
+      }
+
       if (
         !isKnowledgeSession.value &&
         files.length &&
@@ -363,7 +454,11 @@ export function useTravelReimbursementSubmitComposer(ctx) {
         }
       }
 
-      resetFlowRun()
+      if (!appendToCurrentFlow) {
+        resetFlowRun()
+      } else {
+        clearFlowSimulationTimers()
+      }
       if (rawText && !reviewAction) {
         startFlowStep('intent', '正在识别业务意图...')
         if (waitForExpenseIntentConfirmation) {