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/requestProgressSteps.test.mjs

@@ -9,6 +9,9 @@ const BUDGET_MANAGER_APPROVAL = '\u9884\u7b97\u7ba1\u7406\u8005\u5ba1\u6279'
 const APPROVAL_COMPLETED = '\u5ba1\u6279\u5b8c\u6210'
 const RETURNED = '\u9000\u56de'
 const WAIT_SUBMIT = '\u5f85\u63d0\u4ea4'
+const LINKED_APPLICATION = '\u5173\u8054\u5355\u636e'
+const PAID = '\u5df2\u4ed8\u6b3e'
+const ARCHIVED = '\u5df2\u5f52\u6863'
 const WAIT_LEADER_LI_APPROVAL = '\u7b49\u5f85 Leader Li \u6279\u590d'
 const WAIT_BUDGET_ZHAO_APPROVAL = '\u7b49\u5f85 \u8d75\u9884\u7b97 \u6279\u590d'
 const LEADER_RETURNED_STATUS = '\u9886\u5bfc\u5df2\u9000\u56de\uff0c\u5f85\u91cd\u65b0\u63d0\u4ea4'
@@ -191,6 +194,47 @@ test('approved application claims complete after budget approval', () => {
   assert.equal(request.progressSteps.find((step) => step.label === '预算管理者审批')?.time, '赵预算通过')
 })
 
+test('application claims hide budget step when leader approval also covers budget approval', () => {
+  const request = mapExpenseClaimToRequest({
+    id: 'claim-application-merged-budget',
+    claim_no: 'APP-20260525-MERGED',
+    employee_name: '张三',
+    department_name: '交付部',
+    manager_name: '李预算经理',
+    expense_type: 'travel_application',
+    reason: '支撑国网服务器上线部署',
+    location: '上海',
+    amount: 12000,
+    invoice_count: 0,
+    occurred_at: '2026-05-25T00:00:00.000Z',
+    submitted_at: '2026-05-25T02:00:00.000Z',
+    created_at: '2026-05-25T01:30:00.000Z',
+    updated_at: '2026-05-25T03:00:00.000Z',
+    status: 'approved',
+    approval_stage: APPROVAL_COMPLETED,
+    risk_flags_json: [
+      {
+        source: 'manual_approval',
+        event_type: 'expense_application_approval',
+        operator: '李预算经理',
+        previous_approval_stage: DIRECT_MANAGER_APPROVAL,
+        next_approval_stage: APPROVAL_COMPLETED,
+        budget_approval_merged: true,
+        created_at: '2026-05-25T03:00:00.000Z'
+      }
+    ],
+    items: []
+  })
+
+  assert.deepEqual(
+    request.progressSteps.map((step) => step.label),
+    [CREATE_APPLICATION, DIRECT_MANAGER_APPROVAL, APPROVAL_COMPLETED]
+  )
+  assert.equal(request.progressSteps.every((step) => step.done), true)
+  assert.equal(request.progressSteps.some((step) => step.label === BUDGET_MANAGER_APPROVAL), false)
+  assert.equal(request.progressSteps.find((step) => step.label === DIRECT_MANAGER_APPROVAL)?.time, '李预算经理通过')
+})
+
 test('progress steps show approval operator time and current stay duration', () => {
   const originalNow = Date.now
   Date.now = () => new Date('2026-05-20T05:00:00.000Z').getTime()
@@ -230,7 +274,7 @@ test('progress steps show approval operator time and current stay duration', ()
     const firstStep = request.progressSteps[0]
 
     assert.equal(request.riskSummary, '无')
-    assert.equal(firstStep.label, '创建单据')
+    assert.equal(firstStep.label, LINKED_APPLICATION)
     assert.equal(leaderStep.time, '李经理通过')
     assert.match(leaderStep.detail, /2026-05-20/)
     assert.match(leaderStep.title, /李经理审批通过/)
@@ -479,19 +523,48 @@ test('paid reimbursement marks payment progress step as complete', () => {
         previous_approval_stage: '待付款',
         next_approval_stage: '已付款',
         created_at: '2026-05-20T05:00:00.000Z'
+      },
+      {
+        source: 'application_handoff',
+        event_type: 'expense_application_to_reimbursement_draft',
+        application_claim_id: 'application-1',
+        application_claim_no: 'APP-20260520-001',
+        application_detail: {
+          application_type: '差旅费用申请',
+          application_content: '差旅费用申请 / 北京',
+          application_reason: '支撑国网仿生产环境部署',
+          application_days: '3 天',
+          application_location: '北京',
+          application_amount: '3000',
+          application_time: '2026-05-20T00:00:00.000Z',
+          application_transport_mode: '高铁'
+        }
       }
     ],
     items: []
   })
 
   const paymentStep = request.progressSteps.find((step) => step.label === '待付款')
-  const paidStep = request.progressSteps.find((step) => step.label === '已付款')
+  const paidStep = request.progressSteps.find((step) => step.label === PAID)
+  const archivedStep = request.progressSteps.find((step) => step.label === ARCHIVED)
+  const linkedStep = request.progressSteps.find((step) => step.label === LINKED_APPLICATION)
 
   assert.equal(request.workflowNode, '已付款')
   assert.equal(request.approvalStatus, '已付款')
+  assert.deepEqual(
+    request.progressSteps.map((step) => step.label),
+    [LINKED_APPLICATION, '待提交', 'AI预审', '直属领导审批', '财务审批', '待付款', PAID, ARCHIVED]
+  )
   assert.equal(paymentStep.time, '待付款')
   assert.equal(paidStep.time, '已付款')
   assert.equal(paidStep.done, true)
+  assert.equal(archivedStep.time, ARCHIVED)
+  assert.equal(archivedStep.done, true)
+  assert.equal(linkedStep.time, '已关联 APP-20260520-001')
+  assert.equal(request.relatedApplication.claimNo, 'APP-20260520-001')
+  assert.equal(request.relatedApplication.reason, '支撑国网仿生产环境部署')
+  assert.equal(request.relatedApplication.days, '3 天')
+  assert.equal(request.relatedApplication.amountLabel, '¥3,000')
 })
 
 test('current direct manager step shows how long the claim has stayed there', () => {