feat: 完善差旅票据行程提取与费用明细回填逻辑

增强文档智能识别的票据场景关键词和字段提取能力，优化
会话关联草稿报销单的解析路径，修复费用明细合并和票据
去重边界问题，前端改进报销创建和审批详情交互，补充单
元测试覆盖。

web/tests/requestProgressSteps.test.mjs

@@ -119,7 +119,7 @@ test('travel expense items describe departure return and lodging time below the
       {
         id: 'outbound-train',
         item_type: 'train_ticket',
-        item_reason: '从广州南到北京南',
+        item_reason: '广州南-北京南',
         item_location: '北京',
         item_date: '2026-05-13',
         item_amount: 354,
@@ -137,7 +137,7 @@ test('travel expense items describe departure return and lodging time below the
       {
         id: 'return-train',
         item_type: 'train_ticket',
-        item_reason: '从北京南到广州南',
+        item_reason: '北京南-广州南',
         item_location: '广州',
         item_date: '2026-05-15',
         item_amount: 354,

web/tests/travel-reimbursement-review-drawer-switch.test.mjs

@@ -110,3 +110,36 @@ test('composer exposes travel calculator and posts spreadsheet-backed result int
   assert.match(createViewScript, /messages\.value\.push\(createMessage\('assistant', buildTravelCalculatorResultText\(payload\)/)
   assert.match(reimbursementService, /export function calculateTravelReimbursement\(payload = \{\}\) \{[\s\S]*\/reimbursements\/travel-calculator/)
 })
+
+test('continuing receipt upload preserves prior review form context', () => {
+  assert.match(createViewScript, /function buildReviewFormContextFromPayload\(reviewPayload, inlineState = null\)/)
+  assert.match(createViewScript, /function buildBusinessTimeContextFromReviewValues\(values = \{\}\)/)
+  assert.match(
+    createViewScript,
+    /resolvedUploadDisposition === 'continue_existing'[\s\S]*buildReviewFormContextFromPayload\([\s\S]*activeReviewPayload\.value[\s\S]*reviewInlineForm\.value[\s\S]*extraContext\.review_form_values/s
+  )
+  assert.match(
+    createViewScript,
+    /inheritedReviewContext\.business_time_context[\s\S]*extraContext\.business_time_context = inheritedReviewContext\.business_time_context/s
+  )
+})
+
+test('review drawer save action is disabled while receipt recognition is submitting', () => {
+  assert.match(createViewScript, /const submitting = ref\(false\)/)
+  assert.match(
+    createViewScript,
+    /submitting\.value = true[\s\S]*recognizeOcrFiles\(files\)[\s\S]*submitting\.value = false/s
+  )
+  assert.match(
+    createViewTemplate,
+    /class="review-side-save-pill"[\s\S]*:disabled="reviewActionBusy \|\| submitting"[\s\S]*@click="saveInlineReviewChanges"/
+  )
+  assert.match(
+    createViewScript,
+    /async function handleReviewAction\(message, action\) \{[\s\S]*if \(!actionType \|\| submitting\.value \|\| reviewActionBusy\.value \|\| sessionSwitchBusy\.value\) return/
+  )
+  assert.match(
+    createViewScript,
+    /function saveInlineReviewChanges\(\) \{[\s\S]*\|\| submitting\.value[\s\S]*\|\| sessionSwitchBusy\.value[\s\S]*\) return/
+  )
+})

web/tests/travel-request-detail-risk-advice.test.mjs

@@ -101,6 +101,29 @@ test('AI advice card splits every attachment risk point with basis and suggestio
   assert.ok(advice.riskCards.every((card) => card.suggestion.includes('费用项目调整为交通费')))
 })
 
+test('AI advice splits claim attachment risk flags into specific points', () => {
+  const riskCards = buildAttachmentRiskCards({
+    claimRiskFlags: [
+      {
+        source: 'attachment_analysis',
+        severity: 'medium',
+        label: '中风险',
+        message: '费用明细第 2 条：日期字段：未识别到开票日期。',
+        summary: '当前附件可见部分内容，但金额、用途、日期或附件类型仍有缺失或不一致。',
+        points: [
+          '日期字段：未识别到开票日期或业务发生日期。',
+          '金额字段：附件识别金额 300.00 元与报销金额 88.00 元不一致。'
+        ]
+      }
+    ]
+  })
+
+  assert.equal(riskCards.length, 2)
+  assert.equal(riskCards[0].risk, '日期字段：未识别到开票日期或业务发生日期。')
+  assert.equal(riskCards[1].risk, '金额字段：附件识别金额 300.00 元与报销金额 88.00 元不一致。')
+  assert.ok(riskCards[0].ruleBasis.some((item) => item.includes('风险汇总')))
+})
+
 test('AI advice view model exposes grouped completion and risk sections', () => {
   const advice = buildAiAdviceViewModel({
     completionItems: ['补充业务地点', '补充报销金额'],
@@ -298,6 +321,54 @@ test('expense item upload patches OCR amount into the visible detail row', () =>
   assert.match(detailViewScript, /expenseEditor\.itemAmount = String\(recognizedItemAmount\)/)
 })
 
+test('expense detail save is blocked while attachment recognition is running', () => {
+  assert.match(detailViewScript, /const uploadingExpenseId = ref\(''\)/)
+  assert.match(detailViewScript, /const actionBusy = computed\(\(\) =>[\s\S]*Boolean\(uploadingExpenseId\.value\)/)
+  assert.match(
+    detailViewTemplate,
+    /@click="saveExpenseEdit\(item\)"[\s\S]*:disabled="actionBusy"/
+  )
+  assert.match(
+    detailViewScript,
+    /if \(actionBusy\.value\) \{[\s\S]*toast\(uploadingExpenseId\.value \? '附件识别中，请等待识别完成后再保存。' : '当前操作处理中，请稍后再保存。'\)[\s\S]*return/
+  )
+})
+
+test('transport ticket descriptions use route format and invalid format becomes risk advice', () => {
+  assert.match(detailViewScript, /const ROUTE_DESCRIPTION_EXPENSE_TYPES = new Set\(\['train_ticket', 'flight_ticket', 'ride_ticket'\]\)/)
+  assert.match(detailViewScript, /const ROUTE_DESCRIPTION_PATTERN = \/\^\[A-Za-z0-9\\u4e00-\\u9fa5/)
+  assert.match(detailViewScript, /return isRouteDescriptionExpenseType\(itemType\) \? '始发地-目的地，例如：广州南-北京南' : '输入费用说明'/)
+  assert.match(detailViewScript, /return isRouteDescriptionExpenseType\(itemType\) \? '始发地-目的地' : '业务报销说明'/)
+  assert.match(
+    detailViewScript,
+    /isRouteDescriptionExpenseType\(item\.itemType\) && !isValidRouteDescription\(item\.itemReason\)[\s\S]*issues\.push\('行程说明格式错误'\)/
+  )
+  assert.match(
+    detailViewScript,
+    /isRouteDescriptionExpenseType\(expenseEditor\.itemType\)[\s\S]*!isValidRouteDescription\(expenseEditor\.itemReason\)[\s\S]*return '行程说明格式应为“始发地-目的地”，例如：广州南-北京南。'/
+  )
+  assert.match(
+    detailViewScript,
+    /fieldText === '行程说明格式错误'[\s\S]*return `\$\{labelPrefix\}的行程说明，格式应为“始发地-目的地”。`/
+  )
+})
+
+test('transport ticket items no longer generate business location completion advice', () => {
+  const locationRequiredBlock = detailViewScript.match(/const LOCATION_REQUIRED_EXPENSE_TYPES = new Set\(\[[\s\S]*?\]\)/)?.[0] || ''
+
+  assert.match(locationRequiredBlock, /'travel'/)
+  assert.match(locationRequiredBlock, /'meeting'/)
+  assert.match(locationRequiredBlock, /'entertainment'/)
+  assert.doesNotMatch(locationRequiredBlock, /'train_ticket'/)
+  assert.doesNotMatch(locationRequiredBlock, /'flight_ticket'/)
+  assert.doesNotMatch(locationRequiredBlock, /'ride_ticket'/)
+  assert.match(
+    detailViewScript,
+    /const locationRequired = isLocationRequiredExpenseType\(item\.itemType\)[\s\S]*if \(locationRequired && isPlaceholderValue\(item\.itemLocation\)\) \{[\s\S]*issues\.push\('缺少地点'\)/
+  )
+  assert.doesNotMatch(detailViewScript, /完善第 1 条费用明细的业务地点/)
+})
+
 test('return reason dialog is wired into approval and detail return actions', () => {
   assert.match(returnReasonDialog, /missing_attachment/)
   assert.match(returnReasonDialog, /invoice_mismatch/)