import {
  ATTACHMENT_ASSOCIATION_CONFIRM_HREF,
  buildAttachmentAssociationConfirmationMessage,
  buildUnsavedDraftAttachmentConfirmationMessage
} from './travelReimbursementAttachmentModel.js'
import { resolveAssistantScopeGuard } from '../../utils/assistantSessionScope.js'
import {
  APPLICATION_TRANSPORT_MODE_OPTIONS,
  applyApplicationBusinessTimeContext,
  applyApplicationPolicyEstimateError,
  applyApplicationPolicyEstimateResult,
  buildApplicationPolicyEstimateRequest,
  buildLocalApplicationPreview,
  buildLocalApplicationPreviewMessage,
  buildModelRefinedApplicationPreview,
  normalizeApplicationPreview,
  shouldUseLocalApplicationPreview
} from '../../utils/expenseApplicationPreview.js'
import { waitForMockApplicationTransportQuote } from '../../utils/expenseApplicationEstimate.js'
import { fetchOntologyParse } from '../../services/ontology.js'
import { buildExpenseApplicationOntologyContext } from '../../utils/expenseApplicationOntology.js'
import { calculateTravelReimbursement } from '../../services/reimbursements.js'
import { fetchReceiptFolderItems } from '../../services/receiptFolder.js'
import {
  handleBudgetCompileReportSubmit,
  shouldUseBudgetCompileReport
} from './budgetAssistantReportModel.js'

const STEWARD_ASSISTANT_NAME = '小财管家'
const STEWARD_DELEGATED_TYPEWRITER_INTERVAL_MS = 18
const STEWARD_DELEGATED_THINKING_INTERVAL_MS = 14
const APPLICATION_PREVIEW_FIELD_ACTION_SET = 'set_application_preview_field'

export function useTravelReimbursementSubmitComposer(ctx) {
  const {
    MAX_ATTACHMENTS,
    activeReviewPayload,
    activeSessionType,
    adjustComposerTextareaHeight,
    attachedFiles,
    buildAgentInsight,
    buildClientTimeContext,
    buildComposerBusinessTimeContext,
    buildComposerFilePreviews,
    buildDraftAssociationQueryPayload,
    buildErrorInsight,
    buildExpenseIntentConfirmationActions,
    buildExpenseIntentConfirmationMessage,
    buildExpenseSceneSelectionActions,
    buildExpenseSceneSelectionMessage,
    buildMessageMeta,
    buildOcrDocumentsFromReviewPayload,
    buildOcrFilePreviews,
    buildOcrSummary,
    buildOcrSummaryFromDocuments,
    buildReviewFormContextFromPayload,
    clearAttachedFiles,
    clearFlowSimulationTimers,
    completeFlowResult,
    completeFlowStep,
    composerBusinessTimeDraftTouched,
    composerBusinessTimeTags,
    composerDraft,
    composerUploadIntent,
    conversationId,
    createMessage,
    currentInsight,
    currentUser,
    draftClaimId,
    emitDraftSaved,
    emitOperationCompleted,
    emitRequestUpdated,
    extractReviewAttachmentNames,
    failCurrentFlowStep,
    fetchExpenseClaims,
    fileInputRef,
    flowRunId,
    insightPanelCollapsed,
    isKnowledgeSession,
    linkedRequest,
    mergeBusinessTimeIntoExtraContext,
    mergeFilePreviews,
    mergeFilesWithLimit,
    mergeUploadAttachmentNames,
    mergeUploadOcrDocuments,
    messages,
    nextTick,
    normalizeExpenseQueryPayload,
    normalizeOcrDocuments,
    persistSessionState,
    props,
    recognizeOcrFiles,
    refreshCurrentUserFromBackend,
    refreshFlowRunDetail,
    rememberFilePreviews,
    replaceMessage,
    resolveComposerDisplaySubmitText,
    resetFlowRun,
    resolveComposerSubmitText,
    reviewInlineForm,
    runOrchestrator,
    scrollToBottom,
    sessionSwitchBusy,
    shouldRequestExpenseIntentConfirmation,
    shouldRequestExpenseSceneSelection,
    startExpenseClaimDraftFlowStep,
    startExpenseIntentConfirmationFlowPreview,
    startExpenseSceneSelectionFlowPreview,
    startFlowStep,
    startSemanticFlowPreview,
    submitting,
    syncComposerFilesToDraft,
    toast
  } = ctx

    const pendingAttachmentAssociations = new Map()

    function isStewardDelegatedRun(options = {}) {
      return Boolean(options?.stewardContinuation && typeof options.stewardContinuation === 'object')
    }

    function resolveStewardDelegatedActionLabel(sessionType = '') {
      return String(sessionType || '').trim() === 'application'
        ? '申请单核对'
        : '报销单核对'
    }

    function buildStewardDelegatedPlan(continuation = null, thinkingEvents = [], streamStatus = 'streaming') {
      return {
        planId: String(continuation?.planId || continuation?.plan_id || 'steward_delegation').trim(),
        planStatus: 'delegating',
        summary: '',
        visibleThinkingEventCount: Number.MAX_SAFE_INTEGER,
        initialSummaryOnly: true,
        thinkingEvents,
        tasks: [],
        attachmentGroups: [],
        confirmationGroups: [],
        streamStatus
      }
    }

    function resolveApplicationPreviewMissingFieldsForSteward(preview = {}) {
      const normalized = normalizeApplicationPreview(preview)
      return Array.isArray(normalized.missingFields) ? normalized.missingFields : []
    }

    function buildStewardApplicationPreviewSuggestedActions(preview = {}) {
      const missingFields = resolveApplicationPreviewMissingFieldsForSteward(preview)
      if (!missingFields.includes('出行方式')) {
        return []
      }
      const iconMap = {
        火车: 'mdi mdi-train',
        飞机: 'mdi mdi-airplane',
        轮船: 'mdi mdi-ferry'
      }
      return APPLICATION_TRANSPORT_MODE_OPTIONS.map((mode) => ({
        action_type: APPLICATION_PREVIEW_FIELD_ACTION_SET,
        label: mode,
        description: `选择${mode}作为本次出行方式，并同步费用测算。`,
        icon: iconMap[mode] || 'mdi mdi-map-marker-path',
        payload: {
          field_key: 'transportMode',
          field_label: '出行方式',
          value: mode
        }
      }))
    }

    function buildStewardApplicationPreviewMessage(preview = {}, fallbackText = '') {
      const normalized = normalizeApplicationPreview(preview)
      const fields = normalized.fields || {}
      const missingFields = resolveApplicationPreviewMissingFieldsForSteward(normalized)
      if (!missingFields.length) {
        return fallbackText
      }

      if (missingFields.includes('出行方式')) {
        return [
          '我已经生成这一步的申请单核对结果，但现在还不能继续提交。',
          '',
          '**原因是：还缺少“出行方式”。**',
          '',
          `本次申请是前往${fields.location || '目的地'}的差旅事项，出行方式会影响交通费用口径和系统预估金额。`,
          '',
          '请先告诉我你打算怎么出行：**火车、飞机或轮船**。我会根据你的选择更新下方核对表和费用测算，再继续判断是否可以提交申请。'
        ].join('\n')
      }

      return [
        '我已经生成这一步的申请单核对结果，但现在还不能继续提交。',
        '',
        `**还需要你补充：${missingFields.join('、')}。**`,
        '',
        `请先补充 **${missingFields[0]}**。你也可以直接点击下方核对表里的对应行编辑；补齐后我再继续推进下一步。`
      ].join('\n')
    }

    function buildStewardDelegatedThinkingEvents(sessionType = '', continuation = null, context = {}) {
      const actionLabel = resolveStewardDelegatedActionLabel(sessionType)
      const eventPrefix = `steward-delegated-${Date.now()}-${Math.random().toString(16).slice(2)}`
      const events = [
        {
          eventId: `${eventPrefix}-confirm`,
          title: '接收确认',
          content: '已收到你的确认，小财管家继续推进当前任务。'
        },
        {
          eventId: `${eventPrefix}-coordinate`,
          title: '协调能力',
          content: `正在协调${actionLabel}能力，先生成可核对的结果；这个过程仍由小财管家统一呈现。`
        }
      ]
      const applicationMissingFields = context.applicationPreview
        ? resolveApplicationPreviewMissingFieldsForSteward(context.applicationPreview)
        : []
      if (applicationMissingFields.length) {
        events.push({
          eventId: `${eventPrefix}-gap`,
          title: '识别缺口',
          content: `核对结果还缺少${applicationMissingFields.join('、')}，我会先向你追问，不直接推进提交。`
        })
      }
      events.push(
        {
          eventId: `${eventPrefix}-output`,
          title: '准备输出',
          content: '结果准备好后，我会先逐字输出正文，再展示核对表、卡片或确认按钮。'
        }
      )
      return events
    }

    function resolveStewardDelegatedFinalMeta(finalExtras = {}) {
      const sourceMeta = Array.isArray(finalExtras.meta) ? finalExtras.meta : []
      const sourceLabel = sourceMeta.find((item) =>
        String(item || '').trim() && String(item || '').trim() !== STEWARD_ASSISTANT_NAME
      )
      const requiresConfirmation = Boolean(
        finalExtras.applicationPreview ||
        finalExtras.reviewPayload ||
        (Array.isArray(finalExtras.suggestedActions) && finalExtras.suggestedActions.length)
      )
      return [
        STEWARD_ASSISTANT_NAME,
        requiresConfirmation ? '等待用户确认' : '已完成',
        sourceLabel || ''
      ].filter(Boolean).slice(0, 3)
    }

    function waitStewardDelegatedTick(intervalMs) {
      return new Promise((resolve) => {
        globalThis.setTimeout(resolve, intervalMs)
      })
    }

    async function typeStewardDelegatedMessage(messageId, finalText, finalExtras = {}, context = {}) {
      const continuation = finalExtras.stewardContinuation || context.stewardContinuation || null
      const message = messages.value.find((item) => item.id === messageId)
      if (!message) {
        return
      }

      message.text = ''
      message.assistantName = STEWARD_ASSISTANT_NAME
      message.meta = [STEWARD_ASSISTANT_NAME, '思考中']
      message.suggestedActions = []
      message.stewardContinuation = continuation
      message.stewardPlan = buildStewardDelegatedPlan(continuation, [], 'streaming')
      persistSessionState()
      nextTick(scrollToBottom)

      const typedEvents = []
      const thinkingEvents = buildStewardDelegatedThinkingEvents(context.sessionType, continuation, context)
      for (const eventData of thinkingEvents) {
        const event = {
          eventId: eventData.eventId,
          stage: 'delegated_action',
          title: eventData.title,
          content: '',
          status: 'running'
        }
        typedEvents.push(event)
        message.stewardPlan = buildStewardDelegatedPlan(continuation, [...typedEvents], 'streaming')
        persistSessionState()
        nextTick(scrollToBottom)

        const chars = Array.from(String(eventData.content || ''))
        for (let index = 0; index < chars.length; index += 1) {
          await waitStewardDelegatedTick(STEWARD_DELEGATED_THINKING_INTERVAL_MS)
          event.content = chars.slice(0, index + 1).join('')
          message.stewardPlan = buildStewardDelegatedPlan(continuation, [...typedEvents], 'streaming')
          if ((index + 1) % 4 === 0 || index === chars.length - 1) {
            nextTick(scrollToBottom)
          }
        }
        event.content = String(eventData.content || '')
        event.status = 'completed'
        message.stewardPlan = buildStewardDelegatedPlan(continuation, [...typedEvents], 'streaming')
        persistSessionState()
      }

      const text = String(finalText || '')
      message.text = ''
      message.meta = [STEWARD_ASSISTANT_NAME, '输出中']
      message.stewardPlan = buildStewardDelegatedPlan(continuation, [...typedEvents], 'typing')
      const chars = Array.from(text)
      for (let index = 0; index < chars.length; index += 1) {
        await waitStewardDelegatedTick(STEWARD_DELEGATED_TYPEWRITER_INTERVAL_MS)
        message.text = chars.slice(0, index + 1).join('')
        message.meta = [STEWARD_ASSISTANT_NAME, '输出中']
        message.stewardPlan = buildStewardDelegatedPlan(continuation, [...typedEvents], 'typing')
        if ((index + 1) % 4 === 0 || index === chars.length - 1) {
          nextTick(scrollToBottom)
        }
      }

      Object.assign(message, finalExtras, {
        id: messageId,
        text,
        assistantName: STEWARD_ASSISTANT_NAME,
        meta: resolveStewardDelegatedFinalMeta(finalExtras),
        stewardContinuation: continuation,
        stewardPlan: buildStewardDelegatedPlan(continuation, [...typedEvents], 'completed')
      })
      persistSessionState()
      nextTick(scrollToBottom)
    }

    function resetStewardDelegatedInsightState() {
      resetFlowRun({ startedAt: 0, openDrawer: false })
      insightPanelCollapsed.value = true
      currentInsight.value = {
        intent: 'welcome',
        agent: null
      }
    }

    function isSubmittedApplicationDraftPayload(draftPayload) {
      return (
        String(draftPayload?.draft_type || '').trim() === 'expense_application'
        && String(draftPayload?.status || '').trim() === 'submitted'
      )
    }

    function buildOperationFeedbackState(context) {
      if (!context) {
        return null
      }
      return {
        context,
        submitting: false,
        submitted: false,
        dismissed: false,
        rating: 0,
        reason: '',
        error: ''
      }
    }

    function resolveAssistantResultText(payload, fallbackAnswer) {
      const result = payload?.result && typeof payload.result === 'object' ? payload.result : {}
      if (isSubmittedApplicationDraftPayload(result.draft_payload)) {
        return ''
      }
      return result.answer || result.message || fallbackAnswer
    }

    function createPendingAttachmentAssociationId() {
      return `attachment-association-${Date.now()}-${Math.random().toString(16).slice(2)}`
    }

    function emitSavedDraftRefresh(draftPayload) {
      if (!emitDraftSaved || isKnowledgeSession.value || !draftPayload?.claim_no) {
        return
      }
      const draftType = String(draftPayload.draft_type || '').trim()
      emitDraftSaved({
        claimId: String(draftPayload.claim_id || draftPayload.claimId || '').trim(),
        claimNo: String(draftPayload.claim_no || draftPayload.claimNo || '').trim(),
        status: String(draftPayload.status || '').trim(),
        approvalStage: String(draftPayload.approval_stage || draftPayload.approvalStage || '').trim(),
        documentType: draftType === 'expense_application' ? 'application' : 'reimbursement'
      })
    }

    function normalizeRecognizedAttachmentData(data) {
      if (!data || typeof data !== 'object') {
        return null
      }
      const documents = Array.isArray(data.ocrDocuments) ? data.ocrDocuments : []
      if (!documents.length) {
        return null
      }
      return {
        ocrPayload: data.ocrPayload || null,
        ocrSummary: String(data.ocrSummary || '').trim(),
        ocrDocuments: documents,
        ocrFilePreviews: Array.isArray(data.ocrFilePreviews) ? data.ocrFilePreviews : []
      }
    }

    function hasReceiptFolderSourceFile(files) {
      return files.some((file) => String(file?.receiptId || '').trim())
    }

    async function promptUnlinkedReceiptFolderIfNeeded({
      detailScopedClaimId,
      files,
      fileNames,
      options,
      rawText,
      resolvedUploadDisposition,
      reviewAction,
      systemGenerated,
      userText
    }) {
      if (
        isKnowledgeSession.value ||
        systemGenerated ||
        !files.length ||
        detailScopedClaimId ||
        resolvedUploadDisposition ||
        options.skipReceiptFolderUnlinkedPrompt ||
        options.skipDraftAssociationPrompt ||
        reviewAction ||
        hasReceiptFolderSourceFile(files)
      ) {
        return false
      }

      let unlinkedReceipts = []
      try {
        unlinkedReceipts = await fetchReceiptFolderItems('unlinked')
      } catch (error) {
        console.warn('Failed to load unlinked receipt folder items before attachment upload:', error)
        return false
      }
      const count = Array.isArray(unlinkedReceipts) ? unlinkedReceipts.length : 0
      if (!count) {
        return false
      }

      resetFlowRun()
      if (!options.skipUserMessage) {
        messages.value.push(createMessage('user', userText, fileNames))
      }
      messages.value.push(createMessage(
        'assistant',
        `票据夹中还有 ${count} 份未关联票据。建议先处理这些票据再上传新附件，避免重复保存或遗漏关联。`,
        [],
        {
          meta: ['票据夹待关联'],
          suggestedActions: [
            {
              action_type: 'open_receipt_folder',
              label: '去票据夹关联',
              icon: 'mdi mdi-folder-open-outline',
              payload: { target_view: 'receiptFolder' }
            },
            {
              action_type: 'continue_upload_with_unlinked_receipts',
              label: '继续上传新附件',
              icon: 'mdi mdi-upload-outline',
              payload: { raw_text: rawText }
            }
          ]
        }
      ))
      nextTick(scrollToBottom)
      persistSessionState()
      return true
    }

    function buildConfirmedAssociationText(message) {
      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({
      reviewPayload = null,
      reviewAction = '',
      fileCount = 0,
      rawText = ''
    } = {}) {
      if (!reviewPayload || typeof reviewPayload !== 'object') {
        return ''
      }

      const normalizedAction = String(reviewAction || '').trim()
      const documentCount = Array.isArray(reviewPayload.document_cards) ? reviewPayload.document_cards.length : 0
      const riskCount = Array.isArray(reviewPayload.risk_briefs) ? reviewPayload.risk_briefs.length : 0
      const asksRisk = /风险|隐患|超标|异常|重复|待整改|风险项|高风险|中风险|低风险/.test(String(rawText || ''))

      if (fileCount > 0 && documentCount > 0) {
        return 'documents'
      }
      if (riskCount > 0 && (asksRisk || ['next_step', 'submit', 'submit_claim'].includes(normalizedAction))) {
        return 'risk'
      }
      if (!normalizedAction && fileCount === 0) {
        return 'overview'
      }
      return ''
    }

    async function confirmPendingAttachmentAssociation(message) {
      if (submitting.value || sessionSwitchBusy.value) return null

      const pending = message?.pendingAttachmentAssociation && typeof message.pendingAttachmentAssociation === 'object'
        ? message.pendingAttachmentAssociation
        : null
      const associationId = String(pending?.id || '').trim()
      if (!associationId || pending?.status === 'confirmed') {
        return null
      }

      const runtime = pendingAttachmentAssociations.get(associationId)
      if (!runtime || !Array.isArray(runtime.files) || !runtime.files.length) {
        toast('当前会话里没有可归集的附件原件，请重新上传票据后再确认。')
        return null
      }

      pending.status = 'confirmed'
      message.pendingAttachmentAssociation = pending
      message.text = buildConfirmedAssociationText(message)
      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'}`,
        files: runtime.files,
        uploadDisposition: 'continue_existing',
        skipDraftAssociationPrompt: true,
        pendingText: runtime.claimNo
          ? `正在将票据归集到草稿 ${runtime.claimNo}...`
          : '正在将票据归集到当前草稿...',
        associationConfirmed: true,
        recognizedAttachmentData: {
          ocrPayload: runtime.ocrPayload,
          ocrSummary: runtime.ocrSummary,
          ocrDocuments: runtime.ocrDocuments,
          ocrFilePreviews: runtime.ocrFilePreviews
        },
        extraContext: {
          ...runtime.extraContext,
          review_action: 'link_to_existing_draft',
          draft_claim_id: runtime.claimId,
          selected_claim_id: runtime.claimId,
          selected_claim_no: runtime.claimNo,
          attachment_association_confirmed: true
        }
      })
    }

    function buildBackendMessage(rawText, fileNames, ocrSummary = '', sessionTypeOverride = '') {
      const parts = []
      const normalizedText = String(rawText || '').trim()
      const sessionType = String(sessionTypeOverride || activeSessionType.value || '').trim()
      const isKnowledgeMessage = sessionType === 'knowledge'

      if (normalizedText) {
        parts.push(normalizedText)
      } else if (fileNames.length) {
        parts.push(
          isKnowledgeMessage
            ? `我上传了 ${fileNames.length} 份附件，请结合附件名称回答财务相关问题。`
            : sessionType === 'application'
              ? `我上传了 ${fileNames.length} 份附件，请结合附件名称整理费用申请建议和待核对信息。`
              : sessionType === 'approval'
                ? `我上传了 ${fileNames.length} 份附件，请结合附件名称整理审核风险和处理建议。`
                : `我上传了 ${fileNames.length} 份票据，请结合附件名称给出报销建议并整理待核对信息。`
        )
      }

      if (fileNames.length) {
        parts.push(`附件名称：${fileNames.join('、')}`)
      }

      if (ocrSummary) {
        parts.push(`OCR摘要：${ocrSummary}`)
      }

      if (props.entrySource === 'detail' && linkedRequest.value?.id) {
        parts.push(`关联单号：${linkedRequest.value.id}`)
      }

      return parts.join('\n')
    }

    function resolveDetailScopedClaimId() {
      if (props.entrySource !== 'detail' || isKnowledgeSession.value) {
        return ''
      }
      return String(
        linkedRequest.value?.claimId ||
          linkedRequest.value?.claim_id ||
          ''
      ).trim()
    }

    function buildApplicationPreviewReviewMeta(ontology) {
      return [
        '申请核对预览',
        String(ontology?.parse_strategy || '').trim() === 'llm_primary'
          ? '模型复核完成'
          : '规则兜底复核'
      ]
    }

    async function resolveApplicationPreviewUser() {
      const user = currentUser.value || {}
      if (String(user.position || '').trim() || typeof refreshCurrentUserFromBackend !== 'function') {
        return user
      }

      await refreshCurrentUserFromBackend({ silent: true })
      return currentUser.value || user
    }

    async function buildApplicationPreviewWithModelReview(rawText, businessTimeContext = null, sessionTypeOverride = '') {
      const user = await resolveApplicationPreviewUser()
      const localPreview = applyApplicationBusinessTimeContext(
        buildLocalApplicationPreview(rawText, user),
        businessTimeContext
      )

      const enrichWithPolicyEstimate = async (preview) => {
        const estimateRequest = buildApplicationPolicyEstimateRequest(preview, user)
        if (!estimateRequest.canCalculate) {
          return preview
        }
        try {
          const fields = preview?.fields || {}
          await waitForMockApplicationTransportQuote({
            transportMode: fields.transportMode,
            location: fields.location,
            time: fields.time
          })
          const result = await calculateTravelReimbursement(estimateRequest.payload)
          return applyApplicationPolicyEstimateResult(preview, result, user)
        } catch (error) {
          console.warn('Application policy estimate failed:', error)
          return applyApplicationPolicyEstimateError(preview, error, user)
        }
      }

      try {
        const ontology = await fetchOntologyParse(
          {
            query: rawText,
            user_id: user.username || user.name || 'anonymous',
            context_json: {
              ...buildExpenseApplicationOntologyContext(user),
              session_type: String(sessionTypeOverride || activeSessionType.value || '').trim(),
              entry_source: props.entrySource,
              user_input_text: rawText
            }
          },
          {
            timeoutMs: 45000,
            timeoutMessage: '模型抽取申请字段超时，已保留当前本地预览。'
          }
        )

        const refinedPreview = applyApplicationBusinessTimeContext(
          buildModelRefinedApplicationPreview(
            localPreview,
            ontology,
            rawText,
            user
          ),
          businessTimeContext
        )
        return {
          applicationPreview: await enrichWithPolicyEstimate(refinedPreview),
          meta: buildApplicationPreviewReviewMeta(ontology)
        }
      } catch (error) {
        console.warn('Application preview model refinement failed:', error)
        return {
          applicationPreview: await enrichWithPolicyEstimate({
            ...localPreview,
            modelReviewStatus: 'failed'
          }),
          meta: ['申请核对预览', '模型复核失败']
        }
      }
    }

    async function submitComposer(options = {}) {
      if (submitting.value || sessionSwitchBusy.value) return null

      const rawText = resolveComposerSubmitText(options.rawText).trim()
      const systemGenerated = Boolean(options.systemGenerated)
      const appendToCurrentFlow = Boolean(options.appendToCurrentFlow)
      const effectiveSessionType = String(options.sessionTypeOverride || activeSessionType.value || '').trim()
      const stewardDelegated = isStewardDelegatedRun(options)
      const effectiveIsKnowledgeSession = effectiveSessionType === 'knowledge'
      const normalizedFiles = effectiveIsKnowledgeSession ? [] : Array.from(options.files ?? attachedFiles.value)
      const fileMergeResult = mergeFilesWithLimit([], normalizedFiles, MAX_ATTACHMENTS)
      const files = fileMergeResult.files
      const detailScopedClaimId = resolveDetailScopedClaimId()
      const detailScopedUpload = Boolean(detailScopedClaimId && files.length)
      if (detailScopedClaimId) {
        draftClaimId.value = detailScopedClaimId
      }
      const resolvedUploadDisposition =
        String(options.uploadDisposition || '').trim() ||
        (composerUploadIntent.value === 'continue_existing' ? 'continue_existing' : '') ||
        (detailScopedUpload ? 'continue_existing' : '')
      if (fileMergeResult.overflowCount > 0) {
        toast(`一次最多上传 ${MAX_ATTACHMENTS} 份附件，已保留前 ${MAX_ATTACHMENTS} 份。`)
      }
      if (!rawText && !files.length) return
      const fileNames = files.map((file) => file.name)

      const optionExtraContext = options.extraContext && typeof options.extraContext === 'object'
        ? { ...options.extraContext }
        : {}
      const detailScopedClaimNo = String(
        linkedRequest.value?.documentNo ||
          linkedRequest.value?.id ||
          ''
      ).trim()
      const initialExtraContext = detailScopedClaimId
        ? {
            ...optionExtraContext,
            draft_claim_id: detailScopedClaimId,
            selected_claim_id: detailScopedClaimId,
            selected_claim_no: detailScopedClaimNo,
            detail_scope_claim_id: detailScopedClaimId
          }
        : optionExtraContext
      const selectedBusinessTimeContext = effectiveIsKnowledgeSession ? null : buildComposerBusinessTimeContext()
      const extraContext = effectiveIsKnowledgeSession
        ? initialExtraContext
        : mergeBusinessTimeIntoExtraContext(initialExtraContext, selectedBusinessTimeContext)
      const reviewAction = String(extraContext.review_action || '').trim()
      const feedbackOperationType = String(options.feedbackOperationType || '').trim()
      const isApplicationSubmitOperation = feedbackOperationType === 'submit_application'
      const attachmentAssociationConfirmed = Boolean(
        options.associationConfirmed ||
          extraContext.attachment_association_confirmed ||
          reviewAction === 'link_to_existing_draft' ||
          detailScopedUpload
      )
      const hasSelectedExpenseType = Boolean(
        extraContext.expense_scene_selection ||
          String(extraContext.review_form_values?.expense_type || extraContext.review_form_values?.reimbursement_type || '').trim()
      )
      const hasConfirmedExpenseIntent = Boolean(extraContext.expense_intent_confirmed)
      const waitForExpenseIntentConfirmation = !stewardDelegated && shouldRequestExpenseIntentConfirmation(rawText, {
        sessionType: effectiveSessionType,
        attachmentCount: files.length,
        reviewAction,
        hasSelectedExpenseType,
        hasConfirmedExpenseIntent
      })
      const waitForExpenseSceneSelection = !stewardDelegated && !waitForExpenseIntentConfirmation && shouldRequestExpenseSceneSelection(rawText, {
        sessionType: effectiveSessionType,
        attachmentCount: files.length,
        reviewAction,
        hasSelectedExpenseType
      })
      const reviewAttachmentNames = extractReviewAttachmentNames(activeReviewPayload.value)
      const userText =
        String(options.userText || '').trim() ||
        resolveComposerDisplaySubmitText(rawText) ||
        rawText ||
        (effectiveIsKnowledgeSession
          ? `我上传了 ${fileNames.length} 份附件，请帮我回答相关财务问题。`
          : resolvedUploadDisposition === 'continue_existing'
            ? `继续上传 ${fileNames.length} 份票据，并归集到当前单据。`
            : resolvedUploadDisposition === 'new_document'
              ? `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: effectiveSessionType,
        entrySource: props.entrySource,
        budgetContext: props.initialBudgetContext
      }) && !reviewAction) {
        return handleBudgetCompileReportSubmit({
          adjustComposerTextareaHeight,
          clearAttachedFiles,
          completeFlowStep,
          composerBusinessTimeDraftTouched,
          composerBusinessTimeTags,
          composerDraft,
          createMessage,
          currentUser,
          fileInputRef,
          fileNames,
          messages,
          nextTick,
          options,
          persistSessionState,
          rawText,
          replaceMessage,
          resetFlowRun,
          refreshCurrentUserFromBackend,
          budgetContext: props.initialBudgetContext,
          scrollToBottom,
          startFlowStep,
          submitting,
          userText
        })
      }

      const scopeGuard = resolveAssistantScopeGuard(rawText, effectiveSessionType, {
        attachmentCount: files.length,
        hasActiveReviewPayload: Boolean(activeReviewPayload.value),
        reviewAction
      })
      if (scopeGuard && !systemGenerated && !reviewAction && !options.skipScopeGuard) {
        if (!options.skipUserMessage) {
          messages.value.push(createMessage('user', userText, fileNames))
        }
        messages.value.push(createMessage('assistant', scopeGuard.text, [], {
          meta: scopeGuard.meta,
          suggestedActions: scopeGuard.suggestedActions
        }))
        composerDraft.value = ''
        composerBusinessTimeTags.value = []
        composerBusinessTimeDraftTouched.value = false
        nextTick(() => {
          adjustComposerTextareaHeight()
          scrollToBottom()
        })
        persistSessionState()
        return null
      }

      if (shouldUseLocalApplicationPreview(rawText, {
        sessionType: effectiveSessionType,
        attachmentCount: files.length,
        reviewAction,
        systemGenerated
      })) {
        const intentStartedAt = Date.now()
        const reviewStartedAt = intentStartedAt
        if (stewardDelegated) {
          resetStewardDelegatedInsightState()
        } else {
          resetFlowRun()
          startFlowStep('intent', {
            title: '业务意图识别',
            tool: 'ontology.intent_detection',
            detail: '正在识别是否为费用申请事项...'
          })
          startFlowStep('application-review-preview', {
            title: '申请信息核对',
            tool: 'ontology.application_review',
            detail: '正在复核申请信息，并查询交通票价...'
          })
        }
        if (!options.skipUserMessage) {
          messages.value.push(createMessage('user', userText, fileNames))
        }
        const pendingMessage = createMessage(
          'assistant',
          stewardDelegated ? '' : '正在复核申请信息，并查询交通票价，请稍候。',
          [],
          stewardDelegated
            ? {
                assistantName: STEWARD_ASSISTANT_NAME,
                meta: [STEWARD_ASSISTANT_NAME, '思考中'],
                stewardContinuation: options.stewardContinuation || null,
                stewardPlan: buildStewardDelegatedPlan(options.stewardContinuation || null, [], 'streaming')
              }
            : {
                meta: ['模型复核中']
              }
        )
        messages.value.push(pendingMessage)
        composerDraft.value = ''
        composerBusinessTimeTags.value = []
        composerBusinessTimeDraftTouched.value = false
        clearAttachedFiles()
        if (fileInputRef.value) {
          fileInputRef.value.value = ''
        }
        nextTick(() => {
          adjustComposerTextareaHeight()
          scrollToBottom()
        })
        persistSessionState()

        submitting.value = true
        try {
          const { applicationPreview, meta } = await buildApplicationPreviewWithModelReview(
            rawText,
            selectedBusinessTimeContext,
            effectiveSessionType
          )
          const reviewStatus = String(meta?.[1] || '').trim()
          if (!stewardDelegated) {
            completeFlowStep('intent', '已识别为费用申请事项', Date.now() - intentStartedAt)
            completeFlowStep(
              'application-review-preview',
              reviewStatus === '模型复核完成'
                ? '模型复核完成，已生成申请核对表'
                : reviewStatus === '模型复核失败'
                  ? '模型复核失败，已生成临时核对表'
                  : '模型未返回稳定结果，已完成规则兜底核对',
              Date.now() - reviewStartedAt
            )
          }
          if (stewardDelegated) {
            await typeStewardDelegatedMessage(
              pendingMessage.id,
              buildLocalApplicationPreviewMessage(applicationPreview),
              {
                meta,
                applicationPreview,
                stewardContinuation: options.stewardContinuation || null
              },
              {
                sessionType: effectiveSessionType,
                stewardContinuation: options.stewardContinuation || null
              }
            )
          } else {
            replaceMessage(pendingMessage.id, createMessage(
              'assistant',
              buildLocalApplicationPreviewMessage(applicationPreview),
              [],
              {
                meta,
                applicationPreview,
                stewardContinuation: options.stewardContinuation || null
              }
            ))
          }
          persistSessionState()
          nextTick(scrollToBottom)
        } finally {
          submitting.value = false
        }
        return null
      }

      if (!stewardDelegated && await promptUnlinkedReceiptFolderIfNeeded({
        detailScopedClaimId,
        files,
        fileNames,
        options,
        rawText,
        resolvedUploadDisposition,
        reviewAction,
        systemGenerated,
        userText
      })) {
        return null
      }

      const hasUnsavedReviewDraft = Boolean(
        !stewardDelegated &&
        !effectiveIsKnowledgeSession &&
        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 (
        !stewardDelegated &&
        !effectiveIsKnowledgeSession &&
        files.length &&
        !resolvedUploadDisposition &&
        !options.skipDraftAssociationPrompt &&
        !reviewAction
      ) {
        try {
          const claims = await fetchExpenseClaims()
          const queryPayload = buildDraftAssociationQueryPayload(claims)
          if (queryPayload?.records?.length) {
            resetFlowRun()
            if (!options.skipUserMessage) {
              messages.value.push(createMessage('user', userText, fileNames))
            }
            messages.value.push(createMessage(
              'assistant',
              `我找到 ${queryPayload.records.length} 张可关联的草稿/待补单据。请先选择这批附件要归集到哪张单据，我再开始识别附件。`,
              [],
              {
                meta: ['等待选择关联单据'],
                queryPayload
              }
            ))
            composerDraft.value = ''
            composerBusinessTimeTags.value = []
            composerBusinessTimeDraftTouched.value = false
            nextTick(() => {
              adjustComposerTextareaHeight()
              scrollToBottom()
            })
            persistSessionState()
            return null
          }
        } catch (error) {
          console.warn('Failed to load draft claims before attachment recognition:', error)
          resetFlowRun()
          if (!options.skipUserMessage) {
            messages.value.push(createMessage('user', userText, fileNames))
          }
          messages.value.push(createMessage(
            'assistant',
            '我暂时没能查询到可关联的草稿/待补单据，所以先不识别这批附件。请稍后重试，或从对应草稿进入后继续上传票据。',
            [],
            {
              meta: ['单据查询失败']
            }
          ))
          nextTick(scrollToBottom)
          persistSessionState()
          toast(error?.message || '查询可关联草稿失败，请稍后重试。')
          return null
        }
      }

      if (stewardDelegated) {
        resetStewardDelegatedInsightState()
      } else if (!appendToCurrentFlow) {
        resetFlowRun()
      } else {
        clearFlowSimulationTimers()
      }
      if (!stewardDelegated && isApplicationSubmitOperation) {
        startFlowStep('application-submit-success', {
          title: '申请单提交成功',
          tool: 'ApplicationSubmit',
          detail: '正在提交费用申请...'
        })
      } else if (!stewardDelegated && rawText && !reviewAction) {
        startFlowStep('intent', '正在识别业务意图...')
        if (waitForExpenseIntentConfirmation) {
          startExpenseIntentConfirmationFlowPreview(rawText)
        } else if (waitForExpenseSceneSelection) {
          startExpenseSceneSelectionFlowPreview(rawText)
        } else {
          startSemanticFlowPreview(rawText, { attachmentCount: files.length })
        }
      }

      const filePreviews = buildComposerFilePreviews(files)
      rememberFilePreviews(filePreviews)

      // 只有在非静默模式下才添加用户消息
      if (!options.skipUserMessage) {
        messages.value.push(createMessage('user', userText, fileNames))
      }

      if (waitForExpenseIntentConfirmation) {
        messages.value.push(createMessage('assistant', buildExpenseIntentConfirmationMessage(rawText), [], {
          meta: ['等待确认意图'],
          suggestedActions: buildExpenseIntentConfirmationActions(rawText)
        }))
        composerDraft.value = ''
        composerBusinessTimeTags.value = []
        composerBusinessTimeDraftTouched.value = false
        clearAttachedFiles()
        if (fileInputRef.value) {
          fileInputRef.value.value = ''
        }
        nextTick(() => {
          adjustComposerTextareaHeight()
          scrollToBottom()
        })
        return null
      }

      if (waitForExpenseSceneSelection) {
        messages.value.push(createMessage('assistant', buildExpenseSceneSelectionMessage(rawText), [], {
          meta: ['等待选择场景'],
          suggestedActions: buildExpenseSceneSelectionActions(rawText)
        }))
        composerDraft.value = ''
        composerBusinessTimeTags.value = []
        composerBusinessTimeDraftTouched.value = false
        clearAttachedFiles()
        if (fileInputRef.value) {
          fileInputRef.value.value = ''
        }
        nextTick(() => {
          adjustComposerTextareaHeight()
          scrollToBottom()
        })
        return null
      }

      const pendingMessage = createMessage(
        'assistant',
        stewardDelegated ? '' : options.pendingText || (
          effectiveIsKnowledgeSession
            ? '正在整理财务知识答案...'
            : effectiveSessionType === 'application'
              ? '正在识别申请信息并查询交通票价...'
              : effectiveSessionType === 'approval'
                ? '正在查询审核上下文并整理风险提示...'
                : '正在识别并整理右侧核对信息...'
        ),
        [],
        stewardDelegated
          ? {
              assistantName: STEWARD_ASSISTANT_NAME,
              meta: [STEWARD_ASSISTANT_NAME, '思考中'],
              stewardContinuation: options.stewardContinuation || null,
              stewardPlan: buildStewardDelegatedPlan(options.stewardContinuation || null, [], 'streaming')
            }
          : {
              meta: ['处理中']
            }
      )
      messages.value.push(pendingMessage)

      composerDraft.value = ''
      composerBusinessTimeTags.value = []
      composerBusinessTimeDraftTouched.value = false
      clearAttachedFiles()
      if (fileInputRef.value) {
        fileInputRef.value.value = ''
      }
      nextTick(adjustComposerTextareaHeight)

      submitting.value = true
      nextTick(scrollToBottom)

      let responsePayload = null

      try {
        const user = currentUser.value || {}
        let ocrPayload = null
        let ocrSummary = ''
        let ocrDocuments = []
        let ocrFilePreviews = []
        const recognizedAttachmentData = normalizeRecognizedAttachmentData(options.recognizedAttachmentData)

        if (files.length) {
          const ocrStartedAt = Date.now()
          if (!stewardDelegated) {
            startFlowStep('ocr', { detail: `正在识别 ${files.length} 份附件...`, startedAt: ocrStartedAt })
          }
          if (recognizedAttachmentData) {
            ocrPayload = recognizedAttachmentData.ocrPayload
            ocrSummary = recognizedAttachmentData.ocrSummary || buildOcrSummaryFromDocuments(recognizedAttachmentData.ocrDocuments)
            ocrDocuments = [...recognizedAttachmentData.ocrDocuments]
            ocrFilePreviews = [...recognizedAttachmentData.ocrFilePreviews]
            rememberFilePreviews(ocrFilePreviews)
            if (!stewardDelegated) {
              completeFlowStep('ocr', `复用已确认的 ${ocrDocuments.length || files.length} 张票据识别结果`, Date.now() - ocrStartedAt)
            }
          } else {
            try {
              ocrPayload = await recognizeOcrFiles(files, {
                timeoutMs: 90000,
                timeoutMessage: '票据 OCR 识别超时，已继续使用附件名称处理。'
              })
              ocrSummary = buildOcrSummary(ocrPayload)
              ocrDocuments = normalizeOcrDocuments(ocrPayload)
              ocrFilePreviews = buildOcrFilePreviews(ocrPayload)
              rememberFilePreviews(ocrFilePreviews)
              if (!stewardDelegated) {
                completeFlowStep('ocr', `识别到 ${ocrDocuments.length || files.length} 张票据`, Date.now() - ocrStartedAt)
              }
            } catch (error) {
              console.warn('OCR request failed:', error)
              if (!stewardDelegated) {
                completeFlowStep('ocr', 'OCR识别失败，已继续使用附件名称', Date.now() - ocrStartedAt)
              }
            }
          }

          if (!stewardDelegated && resolvedUploadDisposition === 'continue_existing') {
            replaceMessage(pendingMessage.id, {
              ...pendingMessage,
              text: attachmentAssociationConfirmed
                ? '票据识别已完成，正在把本次附件归集到已选择的草稿...'
                : '票据识别已完成，正在整理归集前确认信息...',
              meta: attachmentAssociationConfirmed ? ['正在归集'] : ['等待确认归集']
            })
            persistSessionState()
          }
        }

        const associationTargetClaimId = String(extraContext.draft_claim_id || draftClaimId.value || '').trim()
        const associationTargetClaimNo = String(
          extraContext.selected_claim_no ||
            extraContext.draft_claim_no ||
            ''
        ).trim()
        if (
          files.length &&
          resolvedUploadDisposition === 'continue_existing' &&
          associationTargetClaimId &&
          !attachmentAssociationConfirmed
        ) {
          const associationId = createPendingAttachmentAssociationId()
          const pendingAssociation = {
            id: associationId,
            status: 'pending',
            claimId: associationTargetClaimId,
            claimNo: associationTargetClaimNo,
            fileNames
          }
          pendingAttachmentAssociations.set(associationId, {
            files,
            fileNames,
            ocrPayload,
            ocrSummary,
            ocrDocuments,
            ocrFilePreviews,
            filePreviews,
            claimId: associationTargetClaimId,
            claimNo: associationTargetClaimNo,
            extraContext: {
              ...extraContext,
              draft_claim_id: associationTargetClaimId,
              selected_claim_id: associationTargetClaimId,
              selected_claim_no: associationTargetClaimNo
            }
          })
          replaceMessage(pendingMessage.id, createMessage(
            'assistant',
            buildAttachmentAssociationConfirmationMessage({
              claimNo: associationTargetClaimNo,
              fileNames,
              ocrDocuments
            }),
            [],
            {
              meta: ['等待确认归集'],
              pendingAttachmentAssociation: pendingAssociation
            }
          ))
          persistSessionState()
          nextTick(scrollToBottom)
          return null
        }

        let effectiveFileNames = [...fileNames]
        let effectiveOcrDocuments = [...ocrDocuments]
        let effectiveOcrSummary = ocrSummary

        if (resolvedUploadDisposition === 'continue_existing') {
          extraContext.review_action = 'link_to_existing_draft'
          const inheritedReviewContext = buildReviewFormContextFromPayload(
            activeReviewPayload.value,
            reviewInlineForm.value
          )
          if (inheritedReviewContext.review_form_values) {
            extraContext.review_form_values = {
              ...inheritedReviewContext.review_form_values,
              ...(extraContext.review_form_values && typeof extraContext.review_form_values === 'object'
                ? extraContext.review_form_values
                : {})
            }
          }
          if (inheritedReviewContext.business_time_context && !extraContext.business_time_context) {
            extraContext.business_time_context = inheritedReviewContext.business_time_context
          }
          effectiveFileNames = mergeUploadAttachmentNames(reviewAttachmentNames, fileNames)
          effectiveOcrDocuments = mergeUploadOcrDocuments(
            buildOcrDocumentsFromReviewPayload(activeReviewPayload.value),
            ocrDocuments
          )
          effectiveOcrSummary = buildOcrSummaryFromDocuments(effectiveOcrDocuments)
        } else if (resolvedUploadDisposition === 'new_document') {
          extraContext.review_action = 'create_new_claim_from_documents'
        }

        if (!isApplicationSubmitOperation && !stewardDelegated) {
          startExpenseClaimDraftFlowStep(String(extraContext.review_action || '').trim(), {
            attachmentCount: effectiveFileNames.length,
            waitForSceneSelection: waitForExpenseSceneSelection
          })
        }

        const backendMessage = buildBackendMessage(
          rawText,
          effectiveFileNames,
          effectiveOcrSummary,
          effectiveSessionType
        )
        const orchestratorOptions = effectiveIsKnowledgeSession
          ? {
              timeoutMs: 75000,
              timeoutMessage: '知识问答仍在检索整理，已停止等待。请稍后重试，或补充制度名称、费用类型等限定条件。'
            }
          : {
              timeoutMs: 120000,
              timeoutMessage: '票据归集处理超时，当前仍停留在原草稿，请稍后重试或重新选择附件。'
            }

        const payload = await runOrchestrator(
          {
            source: 'user_message',
            user_id: user.username || user.name || 'anonymous',
            conversation_id: conversationId.value || null,
            message: backendMessage,
            context_json: {
              role_codes: Array.isArray(user.roleCodes) ? user.roleCodes : [],
              is_admin: Boolean(user.isAdmin),
              name: user.name || '',
              role: user.role || '',
              department: user.department || user.departmentName || '',
              department_name: user.department || user.departmentName || '',
              position: user.position || '',
              employee_position: user.position || user.employeePosition || user.employee_position || '',
              employeePosition: user.position || user.employeePosition || user.employee_position || '',
              grade: user.grade || user.employeeGrade || user.employee_grade || '',
              employee_grade: user.grade || user.employeeGrade || user.employee_grade || '',
              employeeGrade: user.grade || user.employeeGrade || user.employee_grade || '',
              employee_no: user.employeeNo || user.employee_no || '',
              employeeNo: user.employeeNo || user.employee_no || '',
              manager_name: user.managerName || user.manager_name || '',
              managerName: user.managerName || user.manager_name || '',
              direct_manager_name: user.managerName || user.manager_name || user.directManagerName || user.direct_manager_name || '',
              directManagerName: user.managerName || user.manager_name || user.directManagerName || user.direct_manager_name || '',
              employee_location: user.location || '',
              cost_center: user.costCenter || user.cost_center || '',
              finance_owner_name: user.financeOwnerName || user.finance_owner_name || '',
              employee_risk_profile: user.riskProfile && typeof user.riskProfile === 'object' ? user.riskProfile : {},
              ...buildClientTimeContext(),
              session_type: effectiveSessionType,
              entry_source: props.entrySource,
              user_input_text: systemGenerated ? '' : rawText,
              attachment_names: effectiveFileNames,
              attachment_count: effectiveFileNames.length,
              draft_claim_id: effectiveIsKnowledgeSession ? undefined : draftClaimId.value || undefined,
              ocr_summary: effectiveOcrSummary,
              ocr_documents: effectiveOcrDocuments,
              ...(linkedRequest.value && !effectiveIsKnowledgeSession ? { request_context: linkedRequest.value } : {}),
              ...extraContext
            }
          },
          orchestratorOptions
        )
        responsePayload = payload
        flowRunId.value = stewardDelegated ? '' : String(payload?.run_id || '').trim()
        let flowRunDetail = null
        if (flowRunId.value) {
          flowRunDetail = await refreshFlowRunDetail()
        }

        conversationId.value = String(payload?.conversation_id || '').trim() || conversationId.value
        draftClaimId.value =
          effectiveIsKnowledgeSession
            ? ''
            : String(payload?.result?.draft_payload?.claim_id || '').trim() || draftClaimId.value

        const reviewActionResult = String(extraContext.review_action || '').trim()
        const resultClaimNo = String(payload?.result?.draft_payload?.claim_no || '').trim()
        const fallbackAnswer = reviewActionResult === 'link_to_existing_draft'
          ? (resultClaimNo ? `已将本次上传的票据关联到草稿 ${resultClaimNo}。` : '已将本次上传的票据关联到现有草稿。')
          : '智能体已完成处理。'
        const operationFeedbackContext = String(payload?.status || '').trim() === 'succeeded'
          ? emitOperationCompleted?.(payload, {
              operationType: feedbackOperationType || reviewActionResult || (files.length ? 'attachment_review' : 'assistant_round')
            })
          : null
        const assistantMessage = createMessage('assistant', resolveAssistantResultText(payload, fallbackAnswer), [], {
          meta: buildMessageMeta(payload, effectiveFileNames),
          citations: Array.isArray(payload?.result?.citations) ? payload.result.citations : [],
          suggestedActions: Array.isArray(payload?.result?.suggested_actions)
            ? payload.result.suggested_actions
            : [],
          queryPayload: normalizeExpenseQueryPayload(payload?.result?.query_payload),
          draftPayload: payload?.result?.draft_payload || null,
          reviewPayload: payload?.result?.review_payload || null,
          reviewPanelScope: stewardDelegated
            ? ''
            : resolveReviewPanelScope({
                reviewPayload: payload?.result?.review_payload || null,
                reviewAction: reviewActionResult,
                fileCount: files.length,
                rawText
              }),
          riskFlags: Array.isArray(payload?.result?.risk_flags) ? payload.result.risk_flags : [],
          operationFeedback: buildOperationFeedbackState(operationFeedbackContext),
          assistantName: stewardDelegated ? STEWARD_ASSISTANT_NAME : undefined,
          stewardContinuation: options.stewardContinuation || null
        })
        if (stewardDelegated) {
          await typeStewardDelegatedMessage(
            pendingMessage.id,
            assistantMessage.text,
            {
              ...assistantMessage,
              id: pendingMessage.id,
              reviewPanelScope: ''
            },
            {
              sessionType: effectiveSessionType,
              stewardContinuation: options.stewardContinuation || null
            }
          )
          resetStewardDelegatedInsightState()
        } else {
          replaceMessage(pendingMessage.id, assistantMessage)
          const nextInsight = buildAgentInsight(
            payload,
            effectiveFileNames,
            mergeFilePreviews(filePreviews, ocrFilePreviews)
          )
          if (nextInsight.agent) {
            nextInsight.agent.reviewPanelScope = assistantMessage.reviewPanelScope
          }
          currentInsight.value = nextInsight
          completeFlowResult(payload, flowRunDetail)
        }
        if (['save_draft', 'link_to_existing_draft', 'create_new_claim_from_documents'].includes(reviewActionResult)) {
          emitSavedDraftRefresh(payload?.result?.draft_payload || null)
        }
        persistSessionState()
        nextTick(scrollToBottom)
        const resolvedDraftClaimId = String(payload?.result?.draft_payload?.claim_id || draftClaimId.value || '').trim()
        if (!effectiveIsKnowledgeSession && resolvedDraftClaimId && files.length) {
          const persistComposerFilesToDraft = async () => {
            try {
              const syncResult = await syncComposerFilesToDraft(resolvedDraftClaimId, files)
              persistSessionState()
              if (detailScopedUpload) {
                emitRequestUpdated?.({
                  claimId: resolvedDraftClaimId,
                  source: 'detail-smart-entry-attachment-sync',
                  uploadedCount: Number(syncResult?.uploadedCount || 0),
                  skippedCount: Number(syncResult?.skippedCount || 0)
                })
              }
            } catch (error) {
              console.warn('Failed to persist composer attachments to draft claim:', error)
              toast(error?.message || '票据已归集到草稿，但附件原件保存失败，请在单据详情中重新上传。')
            }
          }
          const persistTask = persistComposerFilesToDraft()
          if (detailScopedUpload) {
            await persistTask
          } else {
            void persistTask
          }
        }
      } catch (error) {
        clearFlowSimulationTimers()
        if (!stewardDelegated) {
          failCurrentFlowStep(error)
        }
        replaceMessage(
          pendingMessage.id,
          createMessage(
            'assistant',
            error?.message || '无法连接后端 Orchestrator，请稍后重试。',
            [],
            stewardDelegated
              ? {
                  assistantName: STEWARD_ASSISTANT_NAME,
                  meta: [STEWARD_ASSISTANT_NAME, '调用失败'],
                  stewardContinuation: options.stewardContinuation || null
                }
              : {
                  meta: ['调用失败']
                }
          )
        )
        if (stewardDelegated) {
          resetStewardDelegatedInsightState()
        } else {
          currentInsight.value = buildErrorInsight(error, fileNames)
        }
        persistSessionState()
      } finally {
        submitting.value = false
        composerUploadIntent.value = ''
        nextTick(scrollToBottom)
      }

      return responsePayload
    }


  return {
    confirmPendingAttachmentAssociationInternal: confirmPendingAttachmentAssociation,
    submitComposerInternal: submitComposer
  }
}