feat(web): 工作台 AI 模式与差旅/风险建议交互优化

- 新增 PersonalWorkbenchAiMode 组件、AI 侧边栏与 orb 机器人视觉资源
- 新增 aiApplicationDraftModel / aiExpenseDraftModel / aiWorkbenchConversationStore
  及业务准入 aiSidebarBusinessAccess，支撑 AI 模式下的申请与报销草稿
- 顶栏、侧边栏、工作台样式重构，适配 AI 模式切换与响应式布局
- 同步 steward plan/off_topic、差旅报销引导流、风险建议卡片等测试

web/tests/attachment-association-confirmation.test.mjs

@@ -5,12 +5,15 @@ import { fileURLToPath } from 'node:url'
 
 import {
   ATTACHMENT_ASSOCIATION_CONFIRM_HREF,
+  attachReceiptFolderIdsToFiles,
   buildAttachmentAssociationConfirmationMessage,
   buildOcrFilePreviews,
   buildReviewFilePreviewsFromReviewPayload,
   buildUnsavedDraftAttachmentConfirmationMessage,
+  collectReceiptFiles,
   filterPersistableFilePreviews,
-  mergeFilePreviews
+  mergeFilePreviews,
+  normalizeOcrDocuments
 } from '../src/views/scripts/travelReimbursementAttachmentModel.js'
 import {
   buildDraftAssociationQueryPayload,
@@ -171,6 +174,90 @@ test('OCR preview builders keep hotel receipt image previews when preview kind i
   assert.deepEqual(reviewPreviews, [{ filename: 'hotel.png', kind: 'image', url: dataUrl }])
 })
 
+test('OCR receipt folder ids are kept for final draft attachment association', () => {
+  const files = [
+    { name: 'invoice.png' },
+    { name: 'taxi.pdf' }
+  ]
+  const ocrPayload = {
+    documents: [
+      {
+        filename: 'invoice.png',
+        receipt_id: 'receipt-1',
+        receipt_status: 'unlinked',
+        receipt_preview_url: '/receipt-folder/receipt-1/preview',
+        receipt_source_url: '/receipt-folder/receipt-1/source'
+      },
+      {
+        filename: 'taxi.pdf',
+        receipt_id: 'receipt-2',
+        receipt_status: 'unlinked',
+        receipt_preview_url: '/receipt-folder/receipt-2/preview',
+        receipt_source_url: '/receipt-folder/receipt-2/source'
+      }
+    ]
+  }
+
+  const documents = normalizeOcrDocuments(ocrPayload)
+
+  assert.equal(documents[0].receipt_id, 'receipt-1')
+  assert.equal(documents[0].receipt_status, 'unlinked')
+  assert.equal(documents[0].receipt_preview_url, '/receipt-folder/receipt-1/preview')
+  assert.equal(documents[0].receipt_source_url, '/receipt-folder/receipt-1/source')
+  assert.equal(attachReceiptFolderIdsToFiles(files, ocrPayload), 2)
+  assert.equal(files[0].receiptId, 'receipt-1')
+  assert.equal(files[1].receiptId, 'receipt-2')
+  assert.equal(Object.getOwnPropertyDescriptor(files[0], 'receiptId')?.enumerable, false)
+})
+
+test('receipt files are collected through a single OCR persistence entry before draft association', async () => {
+  const files = [
+    { name: 'invoice.png' }
+  ]
+  let recognizeCallCount = 0
+
+  const collected = await collectReceiptFiles({
+    files,
+    recognizeOcrFiles: async (inputFiles, options) => {
+      recognizeCallCount += 1
+      assert.equal(inputFiles, files)
+      assert.equal(options.timeoutMs, 90000)
+      return {
+        documents: [
+          {
+            filename: 'invoice.png',
+            summary: '发票金额 100 元',
+            preview_kind: 'image',
+            preview_data_url: 'data:image/png;base64,abc123',
+            receipt_id: 'receipt-collect-1',
+            receipt_status: 'unlinked',
+            receipt_preview_url: '/receipt-folder/receipt-collect-1/preview',
+            receipt_source_url: '/receipt-folder/receipt-collect-1/source'
+          }
+        ]
+      }
+    }
+  })
+
+  assert.equal(recognizeCallCount, 1)
+  assert.equal(files[0].receiptId, 'receipt-collect-1')
+  assert.equal(collected.ocrPayload.documents[0].receipt_id, 'receipt-collect-1')
+  assert.equal(collected.ocrDocuments[0].receipt_id, 'receipt-collect-1')
+  assert.equal(collected.ocrSummary, 'invoice.png：发票金额 100 元')
+  assert.deepEqual(collected.ocrFilePreviews, [
+    { filename: 'invoice.png', kind: 'image', url: 'data:image/png;base64,abc123' }
+  ])
+
+  const submitComposerSource = readFileSync(
+    fileURLToPath(new URL('../src/views/scripts/useTravelReimbursementSubmitComposer.js', import.meta.url)),
+    'utf8'
+  )
+  assert.match(submitComposerSource, /collectReceiptFiles\(/)
+  assert.doesNotMatch(submitComposerSource, /recognizeOcrFiles\(files,[\s\S]*attachReceiptFolderIdsToFiles/)
+  assert.doesNotMatch(submitComposerSource, /ocrDocuments = normalizeOcrDocuments\(ocrPayload\)/)
+  assert.doesNotMatch(submitComposerSource, /ocrFilePreviews = buildOcrFilePreviews\(ocrPayload\)/)
+})
+
 test('file preview cache replaces temporary object urls and never persists them', () => {
   const merged = mergeFilePreviews(
     [