diff --git a/web/src/components/travel/TravelReimbursementMessageItem.vue b/web/src/components/travel/TravelReimbursementMessageItem.vue
index cd1e140..1556bc6 100644
--- a/web/src/components/travel/TravelReimbursementMessageItem.vue
+++ b/web/src/components/travel/TravelReimbursementMessageItem.vue
@@ -207,7 +207,7 @@
               <template v-else>
                 <span
                   class="application-preview-text"
-                  :class="{ 'application-preview-date-chip': row.key === 'time' && !row.missing }"
+                  :class="{ 'application-preview-date-chip': ['time', 'time_return'].includes(row.key) && !row.missing }"
                 >{{ row.value }}</span>
                 <button
                   v-if="row.editable"
@@ -276,7 +276,7 @@
 
     <Transition name="structured-card-reveal" appear>
       <div
-        v-if="message.role === 'assistant' && !message.reviewPayload && !message.queryPayload && message.suggestedActions?.length"
+        v-if="message.role === 'assistant' && !message.reviewPayload && (!message.queryPayload || message.queryPayload.selectionMode === 'reimbursement_application_association') && message.suggestedActions?.length"
         class="message-suggested-actions"
         :class="{ 'compact-guidance-actions': message.assistantVariant === 'compact_guidance' }"
       >
diff --git a/web/src/composables/workbenchAiMode/usePersonalWorkbenchAiMode.js b/web/src/composables/workbenchAiMode/usePersonalWorkbenchAiMode.js
index 6915818..2c2dd37 100644
--- a/web/src/composables/workbenchAiMode/usePersonalWorkbenchAiMode.js
+++ b/web/src/composables/workbenchAiMode/usePersonalWorkbenchAiMode.js
@@ -210,6 +210,7 @@ export function usePersonalWorkbenchAiMode(props, emit) {
     currentUser,
     persistCurrentConversation,
     pushInlineUserMessage,
+    replaceInlineMessage,
     removeWorkbenchDateTag,
     resolveLatestInlineUserPrompt,
     scrollInlineConversationToBottom,
@@ -565,6 +566,20 @@ export function usePersonalWorkbenchAiMode(props, emit) {
     return files.length ? '请帮我处理已上传的附件。' : ''
   }
 
+  function isReimbursementCreationIntent(prompt = '') {
+    const compact = String(prompt || '').replace(/\s+/g, '')
+    if (!compact || !/报销|报账/.test(compact)) {
+      return false
+    }
+    if (/标准|制度|规则|政策|口径|怎么|如何|能不能|可以吗|查一下|查询|状态|进度|多少钱|多少/.test(compact)) {
+      return false
+    }
+    return (
+      /^(我要|我想|我需要|帮我|请帮我|需要|发起|新建|创建|提交|办理|走).{0,16}(报销|报账)/.test(compact) ||
+      /^(报销|报账)(一下|一笔|单|流程)?$/.test(compact)
+    )
+  }
+
   function handleAiAnswerMarkdownClick(event) {
     const target = event?.target
     const link = target?.closest?.('a[href^="#ai-open-document-detail:"], a[href^="#ai-open-application-detail:"]')
@@ -600,6 +615,11 @@ export function usePersonalWorkbenchAiMode(props, emit) {
       return
     }
 
+    if (isReimbursementCreationIntent(cleanPrompt)) {
+      void expenseFlow.startAiReimbursementAssociationGate(cleanPrompt, entry.label || '我要报销')
+      return
+    }
+
     if (conversationId.value === AI_SEARCH_CONVERSATION_ID) {
       conversationId.value = ''
       conversationMessages.value = []
@@ -636,7 +656,7 @@ export function usePersonalWorkbenchAiMode(props, emit) {
 
   function runAiModeAction(item) {
     if (String(item?.label || '').trim() === '发起报销') {
-      expenseFlow.pushInlineExpenseSceneSelectionPrompt(item.prompt, item.label)
+      void expenseFlow.startAiReimbursementAssociationGate(item.prompt, item.label)
       return
     }
     startInlineConversation(item.prompt, item, Array.from(selectedFiles.value))
diff --git a/web/src/composables/workbenchAiMode/useWorkbenchAiApplicationPreviewFlow.js b/web/src/composables/workbenchAiMode/useWorkbenchAiApplicationPreviewFlow.js
index 0f95c4d..5a0521e 100644
--- a/web/src/composables/workbenchAiMode/useWorkbenchAiApplicationPreviewFlow.js
+++ b/web/src/composables/workbenchAiMode/useWorkbenchAiApplicationPreviewFlow.js
@@ -40,7 +40,7 @@ function isApplicationPreviewEstimatePendingPreview(applicationPreview = {}) {
 }
 
 function shouldRefreshInlineApplicationPreviewEstimate(fieldKey = '') {
-  return ['transportMode', 'time', 'location', 'days'].includes(String(fieldKey || '').trim())
+  return ['transportMode', 'time', 'time_return', 'location', 'days'].includes(String(fieldKey || '').trim())
 }
 
 export function useWorkbenchAiApplicationPreviewFlow({
diff --git a/web/src/services/reimbursements.js b/web/src/services/reimbursements.js
index 1384218..e471871 100644
--- a/web/src/services/reimbursements.js
+++ b/web/src/services/reimbursements.js
@@ -72,24 +72,24 @@ async function fetchAllExpenseClaimPages(fetchPage, params = {}) {
   return items
 }
 
-export function fetchExpenseClaims(params = {}) {
-  return apiRequest(`/reimbursements/claims${buildListQuery(params)}`)
+export function fetchExpenseClaims(params = {}, options = {}) {
+  return apiRequest(`/reimbursements/claims${buildListQuery(params)}`, options)
 }
 
 export function fetchAllExpenseClaims(params = {}) {
   return fetchAllExpenseClaimPages(fetchExpenseClaims, params)
 }
 
-export function fetchApprovalExpenseClaims(params = {}) {
-  return apiRequest(`/reimbursements/claims/approvals${buildListQuery(params)}`)
+export function fetchApprovalExpenseClaims(params = {}, options = {}) {
+  return apiRequest(`/reimbursements/claims/approvals${buildListQuery(params)}`, options)
 }
 
 export function fetchAllApprovalExpenseClaims(params = {}) {
   return fetchAllExpenseClaimPages(fetchApprovalExpenseClaims, params)
 }
 
-export function fetchArchivedExpenseClaims(params = {}) {
-  return apiRequest(`/reimbursements/claims/archives${buildListQuery(params)}`)
+export function fetchArchivedExpenseClaims(params = {}, options = {}) {
+  return apiRequest(`/reimbursements/claims/archives${buildListQuery(params)}`, options)
 }
 
 export function fetchAllArchivedExpenseClaims(params = {}) {
diff --git a/web/src/utils/expenseApplicationPreview.js b/web/src/utils/expenseApplicationPreview.js
index 5d1a5c2..bf961f4 100644
--- a/web/src/utils/expenseApplicationPreview.js
+++ b/web/src/utils/expenseApplicationPreview.js
@@ -55,7 +55,7 @@ export {
 export function buildApplicationPolicyEstimateRequest(preview = {}, currentUser = {}) {
   const normalized = normalizeApplicationPreview(preview)
   const fields = normalized.fields || {}
-  const days = parseApplicationDaysValue(fields.days)
+  const days = parseApplicationDaysValue(fields.days) || parseApplicationDaysValue(resolveDaysFromDateRange(fields.time))
   const location = String(fields.location || '').trim()
   const grade = String(fields.grade || resolveCurrentUserGrade(currentUser)).trim()
   const applicationType = String(fields.applicationType || '').trim()
@@ -112,6 +112,7 @@ export function applyApplicationPolicyEstimateResult(preview = {}, result = {},
       fields: {
         ...fields,
         grade,
+        days: parseApplicationDaysValue(fields.days) ? fields.days : `${days}天`,
         lodgingDailyCap: formatDailyPolicyMoney(result?.hotel_rate),
         subsidyDailyCap: formatDailyPolicyMoney(result?.total_allowance_rate),
         transportPolicy: APPLICATION_TRANSPORT_REIMBURSEMENT_TEXT,
@@ -174,6 +175,7 @@ export function applyApplicationPolicyEstimateResult(preview = {}, result = {},
     fields: {
       ...fields,
       grade,
+      days: parseApplicationDaysValue(fields.days) ? fields.days : `${days}天`,
       lodgingDailyCap: formatDailyPolicyMoney(result?.hotel_rate),
       subsidyDailyCap: formatDailyPolicyMoney(result?.total_allowance_rate),
       transportPolicy: buildTransportPolicyText(fields.transportMode, matchedCity || fields.location, transportEstimate, fields.time),
@@ -388,7 +390,7 @@ export function buildApplicationPreviewRows(preview = {}) {
           key: 'time_return',
           label: '返回时间',
           value: tripDates.endDate || '待补充',
-          editable: false,
+          editable: item.editable !== false,
           highlight: Boolean(item.highlight),
           missing
         }
diff --git a/web/src/views/scripts/TravelReimbursementCreateView.js b/web/src/views/scripts/TravelReimbursementCreateView.js
index f2d1153..64a4060 100644
--- a/web/src/views/scripts/TravelReimbursementCreateView.js
+++ b/web/src/views/scripts/TravelReimbursementCreateView.js
@@ -401,7 +401,7 @@ export default {
     })
 
     const { continueStewardApplicationFieldCompletion, handleSuggestedAction, isSuggestedActionSelected, runShortcut } = useTravelReimbursementSuggestedActions({
-      applicationPreviewEditor, attachedFiles, buildExpenseSceneSelectionActions, buildExpenseSceneSelectionMessage, commitApplicationPreviewEditor, composerDraft, composerFilesExpanded, composerTextareaRef, createMessage, currentUser, emit, handleGuidedShortcut, handleGuidedSuggestedAction, handleSceneSelectionApplicationGate, lockSuggestedActionMessage, mergeFilesWithLimit, messages, nextTick, openApplicationPreviewEditor: openApplicationPreviewEditorFromUi, persistSessionState, resolveApplicationPreviewMissingFields, reviewActionBusy, router, scrollToBottom, sessionSwitchBusy, startExpenseSceneSelectionAfterIntentConfirmation, submitComposer, submitComposerInternal, submitting, switchSessionType, toast, adjustComposerTextareaHeight
+      applicationPreviewEditor, attachedFiles, buildExpenseSceneSelectionActions, buildExpenseSceneSelectionMessage, commitApplicationPreviewEditor, composerDraft, composerFilesExpanded, composerTextareaRef, createMessage, currentUser, emit, fetchExpenseClaims, handleGuidedShortcut, handleGuidedSuggestedAction, handleSceneSelectionApplicationGate, lockSuggestedActionMessage, mergeFilesWithLimit, messages, nextTick, openApplicationPreviewEditor: openApplicationPreviewEditorFromUi, persistSessionState, resolveApplicationPreviewMissingFields, reviewActionBusy, router, scrollToBottom, sessionSwitchBusy, startExpenseSceneSelectionAfterIntentConfirmation, submitComposer, submitComposerInternal, submitting, switchSessionType, toast, adjustComposerTextareaHeight
     })
     const {
       canShowTravelCalculator,
diff --git a/web/src/views/scripts/travelReimbursementExpenseQueryModel.js b/web/src/views/scripts/travelReimbursementExpenseQueryModel.js
index e229b7c..3ccadf1 100644
--- a/web/src/views/scripts/travelReimbursementExpenseQueryModel.js
+++ b/web/src/views/scripts/travelReimbursementExpenseQueryModel.js
@@ -247,6 +247,9 @@ export function buildExpenseQueryWindowLabel(queryPayload) {
   if (queryPayload.selectionMode === 'draft_association') {
     return '先选择要关联的草稿，确认后我再识别附件并归集到该单据。'
   }
+  if (queryPayload.selectionMode === 'reimbursement_application_association') {
+    return '先确认是否关联申请单；选择关联后我会用申请单信息生成报销草稿。'
+  }
 
   if (queryPayload.windowStartDate && queryPayload.windowEndDate) {
     return `${queryPayload.windowStartDate} 至 ${queryPayload.windowEndDate}`
diff --git a/web/src/views/scripts/useApplicationPreviewEditor.js b/web/src/views/scripts/useApplicationPreviewEditor.js
index 80e6494..f97cabc 100644
--- a/web/src/views/scripts/useApplicationPreviewEditor.js
+++ b/web/src/views/scripts/useApplicationPreviewEditor.js
@@ -17,9 +17,15 @@ import {
   getTodayDateValue
 } from '../../utils/workbenchComposerDate.js'
 
-function parseEditorDateValue(value) {
+function parseEditorDateMatches(value) {
   const text = String(value || '').trim()
-  const matches = [...text.matchAll(/20\d{2}-\d{1,2}-\d{1,2}/g)].map((item) => item[0])
+  return [...text.matchAll(/20\d{2}[-/.]\d{1,2}[-/.]\d{1,2}/g)]
+    .map((item) => normalizeEditorIsoDate(item[0]))
+    .filter(Boolean)
+}
+
+function parseEditorDateValue(value) {
+  const matches = parseEditorDateMatches(value)
   const startDate = matches[0] || getTodayDateValue()
   const endDate = matches[1] || startDate
   return {
@@ -30,6 +36,113 @@ function parseEditorDateValue(value) {
   }
 }
 
+function isApplicationPreviewDateField(fieldKey = '') {
+  return ['time', 'time_return'].includes(String(fieldKey || '').trim())
+}
+
+function formatApplicationPreviewDateRange(startDate = '', endDate = '') {
+  const start = String(startDate || '').trim()
+  const end = String(endDate || '').trim()
+  if (!start && !end) return ''
+  if (!start) return end
+  if (!end || end === start) return start
+  return `${start} 至 ${end}`
+}
+
+function normalizeEditorIsoDate(value = '') {
+  const match = String(value || '').trim().match(/^(20\d{2})[-/.](\d{1,2})[-/.](\d{1,2})$/)
+  if (!match) return ''
+  return buildEditorIsoDate(Number(match[1]), Number(match[2]), Number(match[3]))
+}
+
+function buildEditorIsoDate(year, month, day) {
+  if (!Number.isInteger(year) || !Number.isInteger(month) || !Number.isInteger(day)) return ''
+  const date = new Date(Date.UTC(year, month - 1, day))
+  if (
+    Number.isNaN(date.getTime()) ||
+    date.getUTCFullYear() !== year ||
+    date.getUTCMonth() + 1 !== month ||
+    date.getUTCDate() !== day
+  ) {
+    return ''
+  }
+  return [
+    String(year).padStart(4, '0'),
+    String(month).padStart(2, '0'),
+    String(day).padStart(2, '0')
+  ].join('-')
+}
+
+function parseEditorDateParts(value = '') {
+  const normalized = normalizeEditorIsoDate(value)
+  const match = normalized.match(/^(20\d{2})-(\d{2})-(\d{2})$/)
+  if (!match) return null
+  return {
+    year: Number(match[1]),
+    month: Number(match[2]),
+    day: Number(match[3]),
+    value: normalized
+  }
+}
+
+function addDaysToEditorDate(value = '', offset = 0) {
+  const parts = parseEditorDateParts(value)
+  if (!parts) return ''
+  const date = new Date(Date.UTC(parts.year, parts.month - 1, parts.day))
+  date.setUTCDate(date.getUTCDate() + offset)
+  return buildEditorIsoDate(date.getUTCFullYear(), date.getUTCMonth() + 1, date.getUTCDate())
+}
+
+function buildEditorDateFromMonthDay(referenceDate = '', month = 0, day = 0) {
+  const reference = parseEditorDateParts(referenceDate) || parseEditorDateParts(getTodayDateValue())
+  if (!reference) return ''
+  const year = month < reference.month ? reference.year + 1 : reference.year
+  return buildEditorIsoDate(year, month, day)
+}
+
+function buildEditorDateFromDay(referenceDate = '', day = 0) {
+  const reference = parseEditorDateParts(referenceDate) || parseEditorDateParts(getTodayDateValue())
+  if (!reference) return ''
+  let year = reference.year
+  let month = reference.month
+  let candidate = buildEditorIsoDate(year, month, day)
+  if (candidate && candidate < reference.value) {
+    month += 1
+    if (month > 12) {
+      month = 1
+      year += 1
+    }
+    candidate = buildEditorIsoDate(year, month, day)
+  }
+  return candidate
+}
+
+function normalizeEditorDateInput(value = '', referenceDate = '') {
+  const text = String(value || '').trim()
+  if (!text) return ''
+
+  const fullDate = text.match(/20\d{2}[-/.]\d{1,2}[-/.]\d{1,2}/)
+  if (fullDate) {
+    return normalizeEditorIsoDate(fullDate[0])
+  }
+
+  const monthDay = text.match(/(\d{1,2})\s*月\s*(\d{1,2})\s*日?/) || text.match(/(\d{1,2})[/-](\d{1,2})/)
+  if (monthDay) {
+    return buildEditorDateFromMonthDay(referenceDate, Number(monthDay[1]), Number(monthDay[2]))
+  }
+
+  const dayOnly = text.match(/^(\d{1,2})\s*日?$/)
+  if (dayOnly) {
+    return buildEditorDateFromDay(referenceDate, Number(dayOnly[1]))
+  }
+
+  if (/大后天/.test(text)) return addDaysToEditorDate(referenceDate || getTodayDateValue(), 3)
+  if (/后天/.test(text)) return addDaysToEditorDate(referenceDate || getTodayDateValue(), 2)
+  if (/明天/.test(text)) return addDaysToEditorDate(referenceDate || getTodayDateValue(), 1)
+  if (/今天/.test(text)) return normalizeEditorIsoDate(referenceDate || getTodayDateValue())
+  return ''
+}
+
 function buildEmptyEditor() {
   return {
     messageId: '',
@@ -44,7 +157,7 @@ function buildEmptyEditor() {
 }
 
 function shouldRefreshTransportEstimate(fieldKey) {
-  return ['transportMode', 'time', 'location', 'days'].includes(fieldKey)
+  return ['transportMode', 'time', 'time_return', 'location', 'days'].includes(fieldKey)
 }
 
 function resolveEditorCurrentUser(currentUser) {
@@ -55,11 +168,12 @@ function resolveEditorCurrentUser(currentUser) {
 }
 
 function buildEditedApplicationPreviewFields(fields = {}, editor = {}, nextValue = '') {
+  const isDateField = isApplicationPreviewDateField(editor.fieldKey)
   const nextFields = {
     ...fields,
-    [editor.fieldKey]: nextValue
+    [isDateField ? 'time' : editor.fieldKey]: nextValue
   }
-  if (editor.fieldKey === 'time') {
+  if (isDateField) {
     const resolvedDays = resolveApplicationDaysFromDateRange(nextValue)
     if (resolvedDays) {
       nextFields.days = resolvedDays
@@ -68,6 +182,45 @@ function buildEditedApplicationPreviewFields(fields = {}, editor = {}, nextValue
   return nextFields
 }
 
+function buildApplicationPreviewDateSelectionValue(editor = {}) {
+  return buildWorkbenchDateLabel({
+    mode: editor.dateMode,
+    singleDate: editor.singleDate,
+    rangeStartDate: editor.rangeStartDate,
+    rangeEndDate: editor.rangeEndDate
+  })
+}
+
+function buildApplicationPreviewTextDateValue(fields = {}, editor = {}) {
+  const currentDateState = parseEditorDateValue(fields.time)
+  const referenceDate = currentDateState.rangeStartDate || currentDateState.singleDate || getTodayDateValue()
+  const typedDates = parseEditorDateMatches(editor.draftValue)
+  if (typedDates.length >= 2) {
+    return formatApplicationPreviewDateRange(typedDates[0], typedDates[typedDates.length - 1])
+  }
+
+  const typedDate = typedDates[0] || normalizeEditorDateInput(editor.draftValue, referenceDate) || String(editor.draftValue || '').trim()
+  if (!typedDate) {
+    return ''
+  }
+
+  if (editor.fieldKey === 'time_return') {
+    return formatApplicationPreviewDateRange(currentDateState.rangeStartDate, typedDate)
+  }
+
+  const currentEndDate = currentDateState.rangeEndDate || typedDate
+  return formatApplicationPreviewDateRange(typedDate, currentEndDate)
+}
+
+function buildApplicationPreviewEditorValue(fields = {}, editor = {}, options = {}) {
+  if (!isApplicationPreviewDateField(editor.fieldKey)) {
+    return String(editor.draftValue || '').trim()
+  }
+  return options.useDateSelection
+    ? buildApplicationPreviewDateSelectionValue(editor)
+    : buildApplicationPreviewTextDateValue(fields, editor)
+}
+
 function buildTransportEstimatePendingPreview(preview = {}) {
   const fields = preview?.fields || {}
   return normalizeApplicationPreview({
@@ -110,7 +263,7 @@ export function useApplicationPreviewEditor({
 
   function resolveApplicationPreviewEditorControl(fieldKey) {
     if (fieldKey === 'transportMode') return 'select'
-    if (fieldKey === 'time') return 'date'
+    if (isApplicationPreviewDateField(fieldKey)) return 'date'
     return 'text'
   }
 
@@ -131,7 +284,10 @@ export function useApplicationPreviewEditor({
       .find((row) => row.key === fieldKey)
     if (targetRow && targetRow.editable === false) return
     const normalizedValue = String(value || '').trim() === '待补充' ? '' : String(value || '')
-    const dateState = fieldKey === 'time' ? parseEditorDateValue(normalizedValue) : {}
+    const fields = message.applicationPreview.fields || {}
+    const dateState = isApplicationPreviewDateField(fieldKey)
+      ? parseEditorDateValue(fields.time || normalizedValue)
+      : {}
     applicationPreviewEditor.value = {
       messageId: String(message.id || ''),
       fieldKey,
@@ -148,7 +304,10 @@ export function useApplicationPreviewEditor({
   }
 
   function isApplicationPreviewDateEditorOpen(message) {
-    return isApplicationPreviewEditing(message, 'time')
+    return (
+      isApplicationPreviewEditing(message, 'time') ||
+      isApplicationPreviewEditing(message, 'time_return')
+    )
   }
 
   function setApplicationPreviewDateMode(mode) {
@@ -165,17 +324,7 @@ export function useApplicationPreviewEditor({
     })
   }
 
-  function buildApplicationPreviewDateDraftValue() {
-    const editor = applicationPreviewEditor.value
-    return buildWorkbenchDateLabel({
-      mode: editor.dateMode,
-      singleDate: editor.singleDate,
-      rangeStartDate: editor.rangeStartDate,
-      rangeEndDate: editor.rangeEndDate
-    })
-  }
-
-  async function commitApplicationPreviewEditor(message) {
+  async function commitApplicationPreviewEditor(message, options = {}) {
     const editor = applicationPreviewEditor.value
     if (editor.committing) {
       return false
@@ -189,10 +338,12 @@ export function useApplicationPreviewEditor({
       committing: true
     }
 
-    const nextValue = editor.fieldKey === 'time'
-      ? buildApplicationPreviewDateDraftValue()
-      : String(editor.draftValue || '').trim()
-    if (editor.fieldKey === 'time' && !nextValue) {
+    const nextValue = buildApplicationPreviewEditorValue(
+      message.applicationPreview.fields || {},
+      editor,
+      options
+    )
+    if (isApplicationPreviewDateField(editor.fieldKey) && !nextValue) {
       toast?.('请先选择有效日期。')
       applicationPreviewEditor.value = {
         ...applicationPreviewEditor.value,
@@ -232,7 +383,7 @@ export function useApplicationPreviewEditor({
       toast?.('请确认结束日期不早于开始日期。')
       return false
     }
-    return commitApplicationPreviewEditor(message)
+    return commitApplicationPreviewEditor(message, { useDateSelection: true })
   }
 
   function handleApplicationPreviewEditorKeydown(event, message) {
diff --git a/web/src/views/scripts/useTravelReimbursementApplicationPreviewDateEditor.js b/web/src/views/scripts/useTravelReimbursementApplicationPreviewDateEditor.js
index 56b31f5..6de1a18 100644
--- a/web/src/views/scripts/useTravelReimbursementApplicationPreviewDateEditor.js
+++ b/web/src/views/scripts/useTravelReimbursementApplicationPreviewDateEditor.js
@@ -1,5 +1,9 @@
 import { watch } from 'vue'
 
+function isApplicationPreviewDateField(fieldKey = '') {
+  return ['time', 'time_return'].includes(String(fieldKey || '').trim())
+}
+
 export function useTravelReimbursementApplicationPreviewDateEditor({
   applicationPreviewEditor,
   cancelApplicationPreviewEditor,
@@ -17,7 +21,7 @@ export function useTravelReimbursementApplicationPreviewDateEditor({
 }) {
   function applyLinkedApplicationPreviewDateSelection(selection) {
     const editor = applicationPreviewEditor.value
-    if (editor.fieldKey !== 'time' || !editor.messageId) {
+    if (!isApplicationPreviewDateField(editor.fieldKey) || !editor.messageId) {
       return false
     }
 
@@ -51,13 +55,13 @@ export function useTravelReimbursementApplicationPreviewDateEditor({
 
   function openApplicationPreviewEditorFromUi(message, fieldKey, value) {
     openApplicationPreviewEditor(message, fieldKey, value)
-    if (fieldKey === 'time' && isApplicationPreviewEditing(message, 'time')) {
+    if (isApplicationPreviewDateField(fieldKey) && isApplicationPreviewEditing(message, fieldKey)) {
       syncComposerDateFromApplicationEditor()
     }
   }
 
   watch(composerDatePickerOpen, (open, previousOpen) => {
-    if (!open && previousOpen && applicationPreviewEditor.value.fieldKey === 'time') {
+    if (!open && previousOpen && isApplicationPreviewDateField(applicationPreviewEditor.value.fieldKey)) {
       cancelApplicationPreviewEditor()
     }
   })
diff --git a/web/tests/attachment-association-confirmation.test.mjs b/web/tests/attachment-association-confirmation.test.mjs
index 673e348..76fa1c7 100644
--- a/web/tests/attachment-association-confirmation.test.mjs
+++ b/web/tests/attachment-association-confirmation.test.mjs
@@ -117,8 +117,12 @@ test('attachment upload association uses conversation selection instead of legac
     fileURLToPath(new URL('../src/views/scripts/useTravelReimbursementFlow.js', import.meta.url)),
     'utf8'
   )
+  const flowToolSource = readFileSync(
+    fileURLToPath(new URL('../src/views/scripts/travelReimbursementFlowToolModel.js', import.meta.url)),
+    'utf8'
+  )
   const conversationSource = readFileSync(
-    fileURLToPath(new URL('../src/views/scripts/travelReimbursementConversationModel.js', import.meta.url)),
+    fileURLToPath(new URL('../src/views/scripts/travelReimbursementConversationSessionModel.js', import.meta.url)),
     'utf8'
   )
 
@@ -140,7 +144,7 @@ test('attachment upload association uses conversation selection instead of legac
   assert.match(submitComposerSource, /const appendToCurrentFlow = Boolean\(options\.appendToCurrentFlow\)/)
   assert.match(submitComposerSource, /if \(!appendToCurrentFlow\) \{\s*resetFlowRun\(\)\s*\} else \{\s*clearFlowSimulationTimers\(\)/)
   assert.match(flowSource, /link_to_existing_draft:\s*\{[\s\S]*key:\s*'attachment-association'/)
-  assert.match(flowSource, /responseMessage\.includes\('关联'\)[\s\S]*key:\s*'attachment-association'/)
+  assert.match(flowToolSource, /responseMessage\.includes\('关联'\)[\s\S]*key:\s*'attachment-association'/)
   assert.match(flowSource, /'draft-risk-review'/)
   assert.match(flowSource, /草稿风险识别/)
   assert.match(conversationSource, /'attachment-association':\s*\{[\s\S]*title:\s*'票据关联草稿'/)
diff --git a/web/tests/expense-application-fast-preview.test.mjs b/web/tests/expense-application-fast-preview.test.mjs
index d96dafb..fdd5a84 100644
--- a/web/tests/expense-application-fast-preview.test.mjs
+++ b/web/tests/expense-application-fast-preview.test.mjs
@@ -436,6 +436,7 @@ test('application preview uses selected date range and business-specific time la
   assert.equal(rows.find((row) => row.key === 'time')?.value, '2026-02-20')
   assert.equal(rows.find((row) => row.key === 'time_return')?.label, '返回时间')
   assert.equal(rows.find((row) => row.key === 'time_return')?.value, '2026-02-23')
+  assert.equal(rows.find((row) => row.key === 'time_return')?.editable, true)
   assert.match(submitText, /出发时间：2026-02-20/)
   assert.match(submitText, /返回时间：2026-02-23/)
   assert.match(submitText, /事由：支撑国网仿生产环境部署/)
@@ -1610,6 +1611,52 @@ test('application preview calculates base policy estimate when transport mode is
   assert.equal(staleEstimatePreview.fields.amount, '1,400元（不含交通）')
 })
 
+test('application preview estimate infers days from completed date range', () => {
+  const currentUser = { name: '\u674e\u6587\u9759', grade: 'P5', location: '\u6b66\u6c49' }
+  const preview = normalizeApplicationPreview({
+    fields: {
+      applicationType: '\u5dee\u65c5\u8d39\u7528\u7533\u8bf7',
+      time: '2026-06-23 \u81f3 2026-06-25',
+      location: '\u5317\u4eac',
+      reason: '\u652f\u6491\u5ba2\u6237\u73b0\u573a\u5b9e\u65bd',
+      days: '',
+      transportMode: '',
+      grade: 'P5'
+    }
+  })
+  const request = buildApplicationPolicyEstimateRequest(preview, currentUser)
+
+  assert.equal(request.canCalculate, true)
+  assert.deepEqual(request.payload, {
+    days: 3,
+    location: '\u5317\u4eac',
+    grade: 'P5',
+    transport_mode: null,
+    origin_location: '\u6b66\u6c49',
+    travel_date: '2026-06-23'
+  })
+
+  const estimatedPreview = applyApplicationPolicyEstimateResult(preview, {
+    days: 3,
+    location: '\u5317\u4eac',
+    matched_city: '\u5317\u4eac',
+    grade: 'P5',
+    hotel_rate: 450,
+    hotel_amount: 1350,
+    total_allowance_rate: 100,
+    allowance_amount: 300,
+    total_amount: 1650,
+    rule_name: '\u516c\u53f8\u5dee\u65c5\u8d39\u62a5\u9500\u89c4\u5219',
+    rule_version: 'v1.0.0'
+  }, currentUser)
+
+  assert.equal(estimatedPreview.fields.days, '3\u5929')
+  assert.equal(estimatedPreview.fields.lodgingDailyCap, '450\u5143/\u5929')
+  assert.equal(estimatedPreview.fields.subsidyDailyCap, '100\u5143/\u5929')
+  assert.equal(estimatedPreview.fields.amount, '1,650\u5143\uff08\u4e0d\u542b\u4ea4\u901a\uff09')
+  assert.match(estimatedPreview.fields.policyEstimate, /\u4ea4\u901a\u5f85\u8865\u5145/)
+})
+
 test('application preview editor refreshes transport estimate after mode change', async () => {
   const preview = applyApplicationPolicyEstimateResult(
     buildLocalApplicationPreview('申请 2026-05-25 至 2026-05-27 去上海出差3天，服务项目部署', {
@@ -1726,3 +1773,197 @@ test('application preview editor recalculates days and subsidy after date range
   assert.equal(message.applicationPreview.fields.subsidyDailyCap, '100\u5143/\u5929')
   assert.match(message.applicationPreview.fields.policyEstimate, /\u8865\u8d34 400\u5143/)
 })
+
+test('application preview editor can edit return date from table row', async () => {
+  const preview = normalizeApplicationPreview({
+    fields: {
+      applicationType: '\u5dee\u65c5\u8d39\u7528\u7533\u8bf7',
+      time: '2026-02-20 \u81f3 2026-02-23',
+      location: '\u4e0a\u6d77',
+      reason: '\u670d\u52a1\u9879\u76ee\u90e8\u7f72',
+      days: '4\u5929',
+      transportMode: '\u706b\u8f66',
+      amount: '',
+      grade: 'P5',
+      applicant: '\u674e\u6587\u9759',
+      department: '\u6280\u672f\u90e8',
+      position: '\u8d22\u52a1\u667a\u80fd\u5316\u4ea7\u54c1\u7ecf\u7406',
+      managerName: '\u5411\u4e07\u7ea2'
+    }
+  })
+  const message = {
+    id: 'application-preview-editor-return-date-message',
+    applicationPreview: preview,
+    text: ''
+  }
+  const requestedPayloads = []
+  const editor = useApplicationPreviewEditor({
+    persistSessionState: () => {},
+    toast: () => {},
+    currentUser: ref({ grade: 'P5' }),
+    calculateTravelReimbursement: async (payload) => {
+      requestedPayloads.push(payload)
+      return {
+        days: payload.days,
+        location: payload.location,
+        matched_city: payload.location,
+        grade: payload.grade,
+        hotel_rate: 450,
+        hotel_amount: 2250,
+        total_allowance_rate: 100,
+        allowance_amount: 500,
+        total_amount: 2750,
+        rule_name: '\u516c\u53f8\u5dee\u65c5\u8d39\u62a5\u9500\u89c4\u5219',
+        rule_version: 'v1.0.0'
+      }
+    }
+  })
+
+  editor.openApplicationPreviewEditor(message, 'time_return', '2026-02-23')
+  assert.equal(editor.resolveApplicationPreviewEditorControl('time_return'), 'date')
+  assert.equal(editor.applicationPreviewEditor.value.dateMode, 'range')
+  assert.equal(editor.applicationPreviewEditor.value.rangeStartDate, '2026-02-20')
+  editor.applicationPreviewEditor.value.rangeEndDate = '2026-02-24'
+  const committed = await editor.commitApplicationPreviewDateEditor(message)
+
+  assert.equal(committed, true)
+  assert.deepEqual(requestedPayloads.at(-1), {
+    days: 5,
+    location: '\u4e0a\u6d77',
+    grade: 'P5',
+    transport_mode: '\u706b\u8f66',
+    origin_location: null,
+    travel_date: '2026-02-20'
+  })
+  assert.equal(message.applicationPreview.fields.time, '2026-02-20 \u81f3 2026-02-24')
+  assert.equal(message.applicationPreview.fields.days, '5\u5929')
+})
+
+test('application preview editor can edit return date from inline table input', async () => {
+  const preview = normalizeApplicationPreview({
+    fields: {
+      applicationType: '\u5dee\u65c5\u8d39\u7528\u7533\u8bf7',
+      time: '2026-02-20 \u81f3 2026-02-23',
+      location: '\u4e0a\u6d77',
+      reason: '\u670d\u52a1\u9879\u76ee\u90e8\u7f72',
+      days: '4\u5929',
+      transportMode: '\u706b\u8f66',
+      amount: '',
+      grade: 'P5',
+      applicant: '\u674e\u6587\u9759',
+      department: '\u6280\u672f\u90e8',
+      position: '\u8d22\u52a1\u667a\u80fd\u5316\u4ea7\u54c1\u7ecf\u7406',
+      managerName: '\u5411\u4e07\u7ea2'
+    }
+  })
+  const message = {
+    id: 'application-preview-editor-inline-return-date-message',
+    applicationPreview: preview,
+    text: ''
+  }
+  const requestedPayloads = []
+  const editor = useApplicationPreviewEditor({
+    persistSessionState: () => {},
+    toast: () => {},
+    currentUser: ref({ grade: 'P5' }),
+    calculateTravelReimbursement: async (payload) => {
+      requestedPayloads.push(payload)
+      return {
+        days: payload.days,
+        location: payload.location,
+        matched_city: payload.location,
+        grade: payload.grade,
+        hotel_rate: 450,
+        hotel_amount: 2250,
+        total_allowance_rate: 100,
+        allowance_amount: 500,
+        total_amount: 2750,
+        rule_name: '\u516c\u53f8\u5dee\u65c5\u8d39\u62a5\u9500\u89c4\u5219',
+        rule_version: 'v1.0.0'
+      }
+    }
+  })
+
+  editor.openApplicationPreviewEditor(message, 'time_return', '2026-02-23')
+  editor.applicationPreviewEditor.value.draftValue = '2026-02-24'
+  const committed = await editor.commitApplicationPreviewEditor(message)
+
+  assert.equal(committed, true)
+  assert.deepEqual(requestedPayloads.at(-1), {
+    days: 5,
+    location: '\u4e0a\u6d77',
+    grade: 'P5',
+    transport_mode: '\u706b\u8f66',
+    origin_location: null,
+    travel_date: '2026-02-20'
+  })
+  assert.equal(message.applicationPreview.fields.time, '2026-02-20 \u81f3 2026-02-24')
+  assert.equal(message.applicationPreview.fields.time_return, undefined)
+  assert.equal(message.applicationPreview.fields.days, '5\u5929')
+})
+
+test('application preview editor estimates after shorthand return date input', async () => {
+  const preview = normalizeApplicationPreview({
+    fields: {
+      applicationType: '\u5dee\u65c5\u8d39\u7528\u7533\u8bf7',
+      time: '2026-06-23',
+      location: '\u5317\u4eac',
+      reason: '\u652f\u6491\u5ba2\u6237\u73b0\u573a\u5b9e\u65bd',
+      days: '',
+      transportMode: '',
+      amount: '',
+      grade: 'P5',
+      applicant: '\u674e\u6587\u9759',
+      department: '\u6280\u672f\u90e8',
+      position: '\u8d22\u52a1\u667a\u80fd\u5316\u4ea7\u54c1\u7ecf\u7406',
+      managerName: '\u5411\u4e07\u7ea2'
+    }
+  })
+  const message = {
+    id: 'application-preview-editor-shorthand-return-date-message',
+    applicationPreview: preview,
+    text: ''
+  }
+  const requestedPayloads = []
+  const editor = useApplicationPreviewEditor({
+    persistSessionState: () => {},
+    toast: () => {},
+    currentUser: ref({ grade: 'P5', location: '\u6b66\u6c49' }),
+    calculateTravelReimbursement: async (payload) => {
+      requestedPayloads.push(payload)
+      return {
+        days: payload.days,
+        location: payload.location,
+        matched_city: payload.location,
+        grade: payload.grade,
+        hotel_rate: 450,
+        hotel_amount: 1350,
+        total_allowance_rate: 100,
+        allowance_amount: 300,
+        total_amount: 1650,
+        rule_name: '\u516c\u53f8\u5dee\u65c5\u8d39\u62a5\u9500\u89c4\u5219',
+        rule_version: 'v1.0.0'
+      }
+    }
+  })
+
+  editor.openApplicationPreviewEditor(message, 'time_return', '\u5f85\u8865\u5145')
+  editor.applicationPreviewEditor.value.draftValue = '6\u670825\u65e5'
+  const committed = await editor.commitApplicationPreviewEditor(message)
+
+  assert.equal(committed, true)
+  assert.deepEqual(requestedPayloads.at(-1), {
+    days: 3,
+    location: '\u5317\u4eac',
+    grade: 'P5',
+    transport_mode: null,
+    origin_location: '\u6b66\u6c49',
+    travel_date: '2026-06-23'
+  })
+  assert.equal(message.applicationPreview.fields.time, '2026-06-23 \u81f3 2026-06-25')
+  assert.equal(message.applicationPreview.fields.days, '3\u5929')
+  assert.equal(message.applicationPreview.fields.lodgingDailyCap, '450\u5143/\u5929')
+  assert.equal(message.applicationPreview.fields.subsidyDailyCap, '100\u5143/\u5929')
+  assert.equal(message.applicationPreview.fields.amount, '1,650\u5143\uff08\u4e0d\u542b\u4ea4\u901a\uff09')
+  assert.match(message.applicationPreview.fields.policyEstimate, /\u4ea4\u901a\u5f85\u8865\u5145/)
+})
diff --git a/web/tests/travel-reimbursement-review-drawer-switch.test.mjs b/web/tests/travel-reimbursement-review-drawer-switch.test.mjs
index 0752a21..16e83cf 100644
--- a/web/tests/travel-reimbursement-review-drawer-switch.test.mjs
+++ b/web/tests/travel-reimbursement-review-drawer-switch.test.mjs
@@ -396,7 +396,7 @@ test('submit composer scopes the side panel to intent overview, document upload,
 
 test('expense query answers keep one clear result structure with document center jump link', () => {
   assert.doesNotMatch(createViewTemplateSurface, /message\.meta\?\.length/)
-  assert.match(createViewTemplateSurface, /!message\.reviewPayload && !message\.queryPayload && message\.suggestedActions\?\.length/)
+  assert.match(createViewTemplateSurface, /!message\.reviewPayload && \(!message\.queryPayload \|\| message\.queryPayload\.selectionMode === 'reimbursement_application_association'\) && message\.suggestedActions\?\.length/)
   assert.match(createViewTemplateSurface, /!message\.reviewPayload && !message\.queryPayload && message\.citations\?\.length/)
   assert.match(createViewTemplateSurface, /message\.queryPayload\.title \|\| \(message\.queryPayload\.selectionMode === 'draft_association' \? '选择关联草稿' : '最近 5 条筛选结果'\)/)
   assert.match(createViewTemplateSurface, /v-html="ui\.renderMarkdown\(ui\.buildExpenseQueryHint\(message\.queryPayload\)\)"/)