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/src/utils/expenseApplicationPreview.js

@@ -1,4 +1,5 @@
 import { buildApplicationFieldsFromOntology } from './expenseApplicationOntology.js'
+import { getTodayDateValue } from './workbenchComposerDate.js'
 
 const APPLICATION_SESSION_TYPE = 'application'
 const APPLICATION_CREATE_PATTERN = /申请|事前|前置|预算|出差|差旅|采购|会务|会议|培训|办公用品|交通|住宿/
@@ -54,11 +55,11 @@ function formatIsoDate(date) {
 }
 
 function buildEndDateFromDays(startText, daysText = '') {
-  const days = Number(String(daysText || '').replace(/[^\d]/g, ''))
+  const days = parseApplicationDaysValue(daysText)
   const start = parseIsoDate(startText)
   if (!days || !start) return ''
   const end = new Date(start.getTime())
-  end.setUTCDate(end.getUTCDate() + days)
+  end.setUTCDate(end.getUTCDate() + Math.max(days - 1, 0))
   return formatIsoDate(end)
 }
 
@@ -69,7 +70,16 @@ function resolveDaysFromDateRange(rangeText) {
   const end = parseIsoDate(match[2])
   if (!start || !end) return ''
   const diffDays = Math.round((end.getTime() - start.getTime()) / 86400000)
-  return diffDays > 0 ? `${diffDays}天` : '1天'
+  return diffDays >= 0 ? `${diffDays + 1}天` : ''
+}
+
+function resolvePreviewToday(options = {}) {
+  const explicitToday = String(options.today || options.currentDate || '').trim()
+  if (parseIsoDate(explicitToday)) return normalizeDateText(explicitToday)
+  if (options.now instanceof Date && !Number.isNaN(options.now.getTime())) {
+    return getTodayDateValue(options.now)
+  }
+  return getTodayDateValue()
 }
 
 function resolveApplicationType(text) {
@@ -106,10 +116,35 @@ function resolveCurrentUserGrade(currentUser = {}) {
 
 function parseApplicationDaysValue(value) {
   const match = String(value || '').match(/\d+/)
-  const days = match ? Number(match[0]) : 0
+  const days = match ? Number(match[0]) : parseChineseNumber(value)
   return Number.isFinite(days) && days > 0 ? Math.max(1, Math.floor(days)) : 0
 }
 
+function parseChineseNumber(value) {
+  const digits = {
+    一: 1,
+    二: 2,
+    两: 2,
+    三: 3,
+    四: 4,
+    五: 5,
+    六: 6,
+    七: 7,
+    八: 8,
+    九: 9
+  }
+  const text = String(value || '').match(/[一二两三四五六七八九十]{1,3}/)?.[0] || ''
+  if (!text) return 0
+  if (text === '十') return 10
+  if (text.includes('十')) {
+    const [left, right] = text.split('十')
+    const tens = left ? digits[left] || 0 : 1
+    const ones = right ? digits[right] || 0 : 0
+    return tens * 10 + ones
+  }
+  return digits[text] || 0
+}
+
 function parseMoneyNumber(value) {
   const normalized = String(value ?? '').replace(/[^\d.-]/g, '')
   const amount = Number(normalized)
@@ -161,7 +196,7 @@ function resolveApplicationDays(text) {
   return value ? `${value}天` : ''
 }
 
-function resolveApplicationTime(text, daysText = '') {
+function resolveApplicationTime(text, daysText = '', options = {}) {
   const range = text.match(
     /(20\d{2}[-/.]\d{1,2}[-/.]\d{1,2})\s*(?:至|到|~|—|–|--)\s*(20\d{2}[-/.]\d{1,2}[-/.]\d{1,2})/u
   )
@@ -176,7 +211,18 @@ function resolveApplicationTime(text, daysText = '') {
   if (!single) return ''
   const normalized = normalizeDateText(single)
   const endDate = buildEndDateFromDays(normalized, daysText)
-  return endDate ? `${normalized} 至 ${endDate}` : normalized
+  return endDate && endDate !== normalized ? `${normalized} 至 ${endDate}` : normalized
+}
+
+function resolveApplicationTimeWithDefault(text, daysText = '', options = {}) {
+  const resolvedTime = resolveApplicationTime(text, daysText)
+  if (resolvedTime || !parseApplicationDaysValue(daysText)) {
+    return resolvedTime
+  }
+
+  const startDate = resolvePreviewToday(options)
+  const endDate = buildEndDateFromDays(startDate, daysText)
+  return endDate && endDate !== startDate ? `${startDate} 至 ${endDate}` : startDate
 }
 
 function resolveApplicationLocation(text) {
@@ -449,10 +495,10 @@ export function buildApplicationPreviewSubmitText(preview = {}) {
   ].join('\n')
 }
 
-export function buildLocalApplicationPreview(rawText, currentUser = {}) {
+export function buildLocalApplicationPreview(rawText, currentUser = {}, options = {}) {
   const sourceText = String(rawText || '').trim()
   const explicitDays = resolveApplicationDays(sourceText)
-  const time = resolveApplicationTime(sourceText, explicitDays)
+  const time = resolveApplicationTimeWithDefault(sourceText, explicitDays, options)
   const days = explicitDays || resolveDaysFromDateRange(time)
   const location = resolveApplicationLocation(sourceText)
   const fields = {