feat: 新增风险图谱算法与系统仪表盘及操作反馈体系

后端新增风险图谱算法模块、风险观察与反馈服务、规则 DSL
校验器和可解释性引擎，完善系统仪表盘和财务仪表盘统计，
优化 agent 运行和编排执行链路，清理旧开发文档，前端新增
系统趋势、负载热力图等多种仪表盘图表组件，完善操作反馈
对话框和工作台日期选择器，优化报销创建和审批详情交互，
补充单元测试覆盖。

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

@@ -2,6 +2,7 @@ import assert from 'node:assert/strict'
 import { readFileSync } from 'node:fs'
 import test from 'node:test'
 import { fileURLToPath } from 'node:url'
+import { ref } from 'vue'
 
 import {
   buildLocallySyncedReviewPayload,
@@ -10,6 +11,7 @@ import {
   isTravelReviewPayload,
   resolveReviewFooterActions
 } from '../src/views/scripts/travelReimbursementReviewModel.js'
+import { useTravelReimbursementAttachments } from '../src/views/scripts/useTravelReimbursementAttachments.js'
 import { renderMarkdown } from '../src/utils/markdown.js'
 
 const createViewTemplate = readFileSync(
@@ -407,7 +409,7 @@ test('review drawer save action is disabled while receipt recognition is submitt
 test('draft creation starts composer attachment persistence after response rendering', () => {
   assert.match(
     submitComposerScript,
-    /void syncComposerFilesToDraft\(resolvedDraftClaimId, files\)\s*\.then\(\(\) => \{\s*persistSessionState\(\)\s*\}\)\s*\.catch\(\(error\) => \{/s
+    /void syncComposerFilesToDraft\(resolvedDraftClaimId, files\)\s*\.then\(\(syncResult\) => \{[\s\S]*persistSessionState\(\)[\s\S]*emitRequestUpdated\?\.\(\{/s
   )
   assert.doesNotMatch(
     submitComposerScript,
@@ -422,10 +424,84 @@ test('draft creation starts composer attachment persistence after response rende
   assert.match(attachmentsScript, /const normalizedMatchBuckets = new Map\(\)/)
   assert.match(
     attachmentsScript,
-    /const targetItem = nextExactMatch \|\| nextNormalizedMatch \|\| fallbackMatch/
+    /nextExactMatch \|\| nextNormalizedMatch \|\| fallbackMatch \|\| emptyFallbackMatch/
   )
 })
 
+test('detail smart-entry receipt sync uploads files to existing empty items and creates a row when needed', async () => {
+  const uploadCalls = []
+  let createCount = 0
+  const claimSnapshots = [
+    {
+      items: [
+        { id: 'item-empty-1', item_type: 'hotel_ticket', invoice_id: '' },
+        { id: 'item-persisted', item_type: 'train_ticket', invoice_id: 'claim-1/item-persisted/old.pdf' }
+      ]
+    },
+    {
+      items: [
+        { id: 'item-empty-1', item_type: 'hotel_ticket', invoice_id: '' },
+        { id: 'item-persisted', item_type: 'train_ticket', invoice_id: 'claim-1/item-persisted/old.pdf' }
+      ]
+    }
+  ]
+
+  const attachments = useTravelReimbursementAttachments({
+    isKnowledgeSession: ref(false),
+    reviewFilePreviews: ref([]),
+    linkedRequest: ref({}),
+    draftClaimId: ref('claim-1'),
+    activeReviewPayload: ref(null),
+    reviewInlinePendingFiles: ref([]),
+    reviewInlineForm: ref({}),
+    reviewInlineEditorKey: ref(''),
+    composerUploadIntent: ref(''),
+    submitting: ref(false),
+    reviewActionBusy: ref(false),
+    toast: () => {},
+    fileInputRef: ref(null),
+    createExpenseClaimItem: async () => {
+      createCount += 1
+      return {
+        items: [
+          { id: 'item-created-1', item_type: 'taxi_receipt', invoice_id: '' }
+        ]
+      }
+    },
+    fetchExpenseClaimDetail: async () => claimSnapshots.shift() || { items: [] },
+    fetchExpenseClaimItemAttachmentMeta: async () => null,
+    fetchExpenseClaimAttachmentAsset: async () => new Blob(['preview']),
+    uploadExpenseClaimItemAttachment: async (claimId, itemId, file) => {
+      uploadCalls.push({ claimId, itemId, fileName: file.name })
+      return {}
+    },
+    extractReviewAttachmentNames: () => [],
+    mergeFilesWithLimit: (existing, incoming) => ({ files: [...existing, ...incoming], overflowCount: 0 }),
+    mergeFilePreviews: (existing, incoming) => [...existing, ...incoming],
+    isTemporaryPreviewUrl: () => false,
+    resolveAttachmentPreviewKind: () => '',
+    resolveDocumentPreview: () => null,
+    buildFilePreviews: () => [],
+    buildFileIdentity: (file) => file.name,
+    MAX_ATTACHMENTS: 5,
+    VISIBLE_ATTACHMENT_CHIPS: 3,
+    clearInlineReviewFieldError: () => {}
+  })
+
+  const result = await attachments.syncComposerFilesToDraft('claim-1', [
+    { name: 'hotel.pdf' },
+    { name: 'taxi.pdf' }
+  ])
+
+  assert.deepEqual(uploadCalls, [
+    { claimId: 'claim-1', itemId: 'item-empty-1', fileName: 'hotel.pdf' },
+    { claimId: 'claim-1', itemId: 'item-created-1', fileName: 'taxi.pdf' }
+  ])
+  assert.equal(createCount, 1)
+  assert.equal(result.uploadedCount, 2)
+  assert.equal(result.skippedCount, 0)
+})
+
 test('review summary renders markdown and save draft relies on backend response only', () => {
   assert.match(
     createViewTemplate,