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/components/business/PersonalWorkbench.vue

@@ -27,9 +27,35 @@
             maxlength="1000"
             rows="2"
             placeholder="请输入费用申请、报销问题、预算查询或制度问答..."
+            :readonly="isComposerPending"
             @keydown.enter.prevent="handleWorkbenchEnter"
           />
 
+          <div
+            v-if="composerPendingLabel"
+            class="assistant-intent-status"
+            role="status"
+            aria-live="polite"
+          >
+            <i class="mdi mdi-loading mdi-spin"></i>
+            <span>{{ composerPendingLabel }}</span>
+          </div>
+
+          <div v-if="workbenchDateTagLabel" class="workbench-date-chip-row">
+            <span class="workbench-date-chip">
+              <i class="mdi mdi-calendar-check"></i>
+              <span>{{ workbenchDateTagLabel }}</span>
+              <button
+                type="button"
+                aria-label="移除日期"
+                :disabled="Boolean(pendingAction)"
+                @click="removeWorkbenchDateTag"
+              >
+                <i class="mdi mdi-close"></i>
+              </button>
+            </span>
+          </div>
+
           <div class="composer-toolbar">
             <button
               type="button"
@@ -42,16 +68,70 @@
               <i class="mdi mdi-paperclip"></i>
             </button>
 
-            <button
-              type="button"
-              class="composer-related-button"
-              :disabled="Boolean(pendingAction)"
-              @click="triggerFileUpload"
-            >
-              <i class="mdi mdi-source-branch"></i>
-              <span>关联单据</span>
-              <i class="mdi mdi-chevron-down"></i>
-            </button>
+            <div class="workbench-date-anchor">
+              <button
+                type="button"
+                class="composer-icon-button"
+                :class="{ active: workbenchDatePickerOpen }"
+                title="选择日期"
+                aria-label="选择日期"
+                :aria-expanded="workbenchDatePickerOpen"
+                :disabled="Boolean(pendingAction)"
+                @click.stop="toggleWorkbenchDatePicker"
+              >
+                <i class="mdi mdi-calendar-range"></i>
+              </button>
+
+              <div
+                v-if="workbenchDatePickerOpen"
+                class="composer-date-popover"
+                role="dialog"
+                aria-label="日期选择"
+                @click.stop
+              >
+                <div class="composer-date-mode-tabs">
+                  <button
+                    type="button"
+                    class="composer-date-mode-btn"
+                    :class="{ active: workbenchDateMode === 'single' }"
+                    @click="setWorkbenchDateMode('single')"
+                  >
+                    当天
+                  </button>
+                  <button
+                    type="button"
+                    class="composer-date-mode-btn"
+                    :class="{ active: workbenchDateMode === 'range' }"
+                    @click="setWorkbenchDateMode('range')"
+                  >
+                    时间段
+                  </button>
+                </div>
+
+                <div v-if="workbenchDateMode === 'single'" class="composer-date-fields">
+                  <label class="composer-date-field">
+                    <span>日期</span>
+                    <input v-model="workbenchSingleDate" type="date" @change="handleWorkbenchDateInputChange('single')" />
+                  </label>
+                </div>
+                <div v-else class="composer-date-fields composer-date-fields-range">
+                  <label class="composer-date-field">
+                    <span>开始</span>
+                    <input v-model="workbenchRangeStartDate" type="date" @change="handleWorkbenchDateInputChange('range-start')" />
+                  </label>
+                  <span class="composer-date-range-sep">至</span>
+                  <label class="composer-date-field">
+                    <span>结束</span>
+                    <input v-model="workbenchRangeEndDate" type="date" :min="workbenchRangeStartDate" @change="handleWorkbenchDateInputChange('range-end')" />
+                  </label>
+                </div>
+
+                <p v-if="workbenchDateMode === 'range' && !workbenchCanApplyDateSelection" class="composer-date-hint">
+                  请确认结束日期不早于开始日期。
+                </p>
+
+              </div>
+            </div>
 
             <span class="composer-count">{{ assistantDraft.length }}/1000</span>
 
@@ -59,10 +139,10 @@
               type="button"
               class="composer-send-button"
               :disabled="Boolean(pendingAction)"
-              :aria-label="pendingAction === 'expense' ? '处理中' : expenseActionLabel"
+              :aria-label="composerPendingLabel || expenseActionLabel"
               @click="handleExpenseConversationAction"
             >
-              <i :class="pendingAction === 'expense' ? 'mdi mdi-loading mdi-spin' : 'mdi mdi-send'"></i>
+              <i :class="pendingAction ? 'mdi mdi-loading mdi-spin' : 'mdi mdi-send'"></i>
             </button>
           </div>
         </div>
@@ -98,7 +178,7 @@
         type="button"
         class="capability-card panel"
         :class="`capability-card--${item.tone}`"
-        @click="openPromptAssistant(item.prompt)"
+        @click="openCapabilityAssistant(item)"
       >
         <span class="capability-icon"><i :class="item.icon"></i></span>
         <span class="capability-copy">
@@ -263,6 +343,7 @@
       :metrics="expenseProfileModalMetrics"
       :tags="expenseProfileTags"
       :radar-dimensions="expenseProfileRadarDimensions"
+      :radar-default-view="expenseProfileRadarDefaultView"
       :operations="expenseProfileOperations"
       :loading="employeeProfileLoading"
       :error-message="employeeProfileError"
@@ -280,6 +361,7 @@ import WorkbenchListIcon from '../shared/WorkbenchListIcon.vue'
 import homepageBackground from '../../assets/homepage_backgraound.png'
 import { useSystemState } from '../../composables/useSystemState.js'
 import { useToast } from '../../composables/useToast.js'
+import { useWorkbenchComposerDate } from '../../composables/useWorkbenchComposerDate.js'
 import {
   assistantCapabilities,
   buildExpenseStatItems,
@@ -295,15 +377,16 @@ import {
   ASSISTANT_SESSION_SNAPSHOT_EVENT,
   hasAssistantSessionSnapshot
 } from '../../utils/assistantSessionSnapshot.js'
+import { buildWorkbenchCapabilityAssistantPayload } from '../../utils/personalWorkbenchAssistantEntry.js'
 import {
   buildProfileOperationsFromAgentRuns,
   buildUserProfileMetricCards,
   buildUserProfileSummaryMetrics,
   normalizeUserProfileRadarDimensions,
   normalizeUserProfileTags,
+  resolveUserProfileDefaultRadarView,
   resolveCurrentUserProfileError
 } from '../../utils/employeeProfileViewModel.js'
-
 const props = defineProps({
   showHeader: { type: Boolean, default: true },
   assistantModalOpen: { type: Boolean, default: false },
@@ -318,6 +401,27 @@ const assistantInputRef = ref(null)
 const fileInputRef = ref(null)
 const selectedFiles = ref([])
 const pendingAction = ref('')
+let pendingActionTimer = 0
+const {
+  workbenchDatePickerOpen,
+  workbenchDateMode,
+  workbenchSingleDate,
+  workbenchRangeStartDate,
+  workbenchRangeEndDate,
+  workbenchDateTagLabel,
+  workbenchCanApplyDateSelection,
+  clearWorkbenchDateSelection,
+  toggleWorkbenchDatePicker,
+  closeWorkbenchDatePicker,
+  setWorkbenchDateMode,
+  handleWorkbenchDatePickerOutside,
+  handleWorkbenchDateInputChange,
+  removeWorkbenchDateTag,
+  buildWorkbenchPromptText
+} = useWorkbenchComposerDate({
+  draft: assistantDraft,
+  focusInput: focusAssistantInput
+})
 const latestExpenseConversation = ref(null)
 const hasLocalExpenseSnapshot = ref(false)
 const expenseProfileModalOpen = ref(false)
@@ -342,6 +446,16 @@ const displayUserName = computed(() => {
   return String(user.name || user.username || '同事').trim() || '同事'
 })
 const expenseActionLabel = computed(() => (hasExpenseConversation.value ? '继续报销' : '新建报销'))
+const isComposerPending = computed(() => Boolean(pendingAction.value))
+const composerPendingLabel = computed(() => {
+  if (pendingAction.value === 'intent') {
+    return '正在识别意图，准备进入对应助手...'
+  }
+  if (pendingAction.value === 'expense') {
+    return '正在恢复最近报销会话...'
+  }
+  return ''
+})
 const currentRoleCodes = computed(() => {
   const user = currentUser.value || {}
   const rawCodes = Array.isArray(user.roleCodes)
@@ -387,6 +501,7 @@ const expenseProfileModalMetrics = computed(() => {
 })
 const expenseProfileTags = computed(() => normalizeUserProfileTags(employeeProfile.value))
 const expenseProfileRadarDimensions = computed(() => normalizeUserProfileRadarDimensions(employeeProfile.value))
+const expenseProfileRadarDefaultView = computed(() => resolveUserProfileDefaultRadarView(employeeProfile.value))
 const expenseProfileOperations = computed(() =>
   buildProfileOperationsFromAgentRuns(employeeProfileRuns.value, currentUser.value)
 )
@@ -446,7 +561,7 @@ function resolveCurrentUserId() {
 
 function buildAssistantPayload() {
   return {
-    prompt: assistantDraft.value.trim(),
+    prompt: buildWorkbenchPromptText(),
     source: 'workbench',
     files: Array.from(selectedFiles.value)
   }
@@ -462,6 +577,34 @@ function clearSelectedFiles() {
 function resetWorkbenchDraft() {
   assistantDraft.value = ''
   clearSelectedFiles()
+  clearWorkbenchDateSelection()
+}
+
+function clearPendingAction() {
+  pendingAction.value = ''
+  if (pendingActionTimer) {
+    window.clearTimeout(pendingActionTimer)
+    pendingActionTimer = 0
+  }
+}
+
+function startPendingAction(action) {
+  clearPendingAction()
+  pendingAction.value = action
+  pendingActionTimer = window.setTimeout(() => {
+    if (pendingAction.value !== action) {
+      return
+    }
+    clearPendingAction()
+    toast('进入助手耗时较长，请稍后重试。')
+  }, 16000)
+}
+
+function shouldShowIntentPending(payload = {}) {
+  return !props.assistantModalOpen
+    && String(payload.prompt || '').trim()
+    && String(payload.source || 'workbench').trim() === 'workbench'
+    && !String(payload.sessionType || '').trim()
 }
 
 function emitAssistant(payload) {
@@ -492,12 +635,24 @@ function openPromptAssistant(prompt) {
     return
   }
 
-  emitAssistant({
-    prompt: String(prompt || '').trim(),
+  const payload = {
+    prompt: buildWorkbenchPromptText(prompt),
     source: 'workbench',
     files: Array.from(selectedFiles.value),
     conversation: null
-  })
+  }
+  if (shouldShowIntentPending(payload)) {
+    startPendingAction('intent')
+  }
+  emitAssistant(payload)
+}
+
+function openCapabilityAssistant(item) {
+  if (pendingAction.value) {
+    return
+  }
+
+  emitAssistant(buildWorkbenchCapabilityAssistantPayload(item, buildAssistantPayload()))
 }
 
 async function loadCurrentEmployeeProfile() {
@@ -597,6 +752,9 @@ async function handleExpenseConversationAction() {
   const shouldOpenImmediately = Boolean(nextPayload.prompt || nextPayload.files.length)
 
   if (shouldOpenImmediately) {
+    if (shouldShowIntentPending(nextPayload)) {
+      startPendingAction('intent')
+    }
     emitAssistant({
       ...nextPayload,
       conversation: null
@@ -607,7 +765,7 @@ async function handleExpenseConversationAction() {
     return
   }
 
-  pendingAction.value = 'expense'
+  startPendingAction('expense')
 
   try {
     await clearKnowledgeHistoryBeforeExpense()
@@ -621,7 +779,7 @@ async function handleExpenseConversationAction() {
     console.warn('Failed to open expense conversation:', error)
     toast(error?.message || '打开报销会话失败，请稍后重试。')
   } finally {
-    pendingAction.value = ''
+    clearPendingAction()
   }
 }
 
@@ -629,16 +787,22 @@ onMounted(() => {
   refreshLocalExpenseSnapshot()
   refreshLatestExpenseConversation()
   loadCurrentEmployeeProfile()
+  document.addEventListener('click', handleWorkbenchDatePickerOutside)
   window.addEventListener(ASSISTANT_SESSION_SNAPSHOT_EVENT, handleAssistantSessionSnapshotChange)
 })
 
 onBeforeUnmount(() => {
+  clearPendingAction()
+  document.removeEventListener('click', handleWorkbenchDatePickerOutside)
   window.removeEventListener(ASSISTANT_SESSION_SNAPSHOT_EVENT, handleAssistantSessionSnapshotChange)
 })
 
 watch(
   () => props.assistantModalOpen,
   (open, previous) => {
+    if (open) {
+      clearPendingAction()
+    }
     if (previous && !open) {
       refreshLatestExpenseConversation()
     }
@@ -653,5 +817,6 @@ watch(currentUserProfileKey, (nextKey, previousKey) => {
 </script>
 
 <style scoped src="../../assets/styles/components/personal-workbench.css"></style>
+<style scoped src="../../assets/styles/components/personal-workbench-composer-date.css"></style>
 <style scoped src="../../assets/styles/components/personal-workbench-insights.css"></style>
 <style scoped src="../../assets/styles/components/personal-workbench-responsive.css"></style>