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/audit/AuditRuleDialogs.vue

@@ -67,6 +67,67 @@
     @report-saved="emit('report-saved', $event)"
   />
 
+  <ConfirmDialog
+    :open="riskRuleEditOpen"
+    badge="规则维护"
+    badge-tone="info"
+    :title="riskRuleEditMode === 'revision' ? '创建修订版本' : '编辑风险规则'"
+    :description="riskRuleEditMode === 'revision' ? '已上线规则不会被直接覆盖，系统会先创建一个新的修订草稿。' : '未上线规则可以直接调整标题、费用领域、附件要求和自然语言描述。'"
+    cancel-text="取消"
+    :confirm-text="riskRuleEditMode === 'revision' ? '创建修订' : '保存草稿'"
+    busy-text="保存中..."
+    confirm-tone="primary"
+    confirm-icon="mdi mdi-content-save-outline"
+    :busy="riskRuleEditBusy"
+    :close-on-mask="!riskRuleEditBusy"
+    @close="emit('close-risk-rule-edit')"
+    @confirm="emit('submit-risk-rule-edit')"
+  >
+    <div class="risk-rule-create-form">
+      <label>
+        <span>费用领域</span>
+        <EnterpriseSelect
+          v-model="riskRuleEditForm.expense_category"
+          :options="riskRuleExpenseCategoryOptions"
+          :disabled="riskRuleEditBusy"
+        />
+      </label>
+      <label>
+        <span>是否上传附件</span>
+        <EnterpriseSelect
+          v-model="riskRuleEditForm.requires_attachment"
+          :options="riskRuleAttachmentOptions"
+          :disabled="riskRuleEditBusy"
+        />
+      </label>
+      <label class="span-2">
+        <span>规则标题</span>
+        <input
+          v-model="riskRuleEditForm.rule_title"
+          :disabled="riskRuleEditBusy"
+          maxlength="80"
+          placeholder="例如：差旅目的地与票据城市一致性校验"
+        />
+      </label>
+      <label class="span-2">
+        <span>自然语言规则</span>
+        <textarea
+          v-model="riskRuleEditForm.natural_language"
+          :disabled="riskRuleEditBusy"
+          placeholder="请用自然语言描述风险判断流程、字段、例外条件和处理动作。"
+        ></textarea>
+      </label>
+      <label v-if="riskRuleEditMode === 'revision'" class="span-2">
+        <span>修订原因</span>
+        <textarea
+          v-model="riskRuleEditForm.change_reason"
+          :disabled="riskRuleEditBusy"
+          placeholder="请说明本次修订要解决的规则问题或业务变化。"
+        ></textarea>
+      </label>
+    </div>
+  </ConfirmDialog>
+
   <ConfirmDialog
     :open="riskRuleDeleteOpen"
     badge="删除规则"
@@ -239,6 +300,10 @@ const props = defineProps({
   riskRuleExpenseCategoryOptions: { type: Array, default: () => [] },
   riskRuleAttachmentOptions: { type: Array, default: () => [] },
   riskRuleTestOpen: { type: Boolean, default: false },
+  riskRuleEditOpen: { type: Boolean, default: false },
+  riskRuleEditMode: { type: String, default: 'draft' },
+  riskRuleEditForm: { type: Object, default: () => ({}) },
+  riskRuleEditBusy: { type: Boolean, default: false },
   riskRuleDeleteOpen: { type: Boolean, default: false },
   riskRuleReturnOpen: { type: Boolean, default: false },
   riskRulePublishOpen: { type: Boolean, default: false },
@@ -261,6 +326,8 @@ const emit = defineEmits([
   'submit-risk-rule-create',
   'close-risk-rule-test',
   'report-saved',
+  'close-risk-rule-edit',
+  'submit-risk-rule-edit',
   'close-delete-risk-rule',
   'delete-selected-risk-rule',
   'close-return-risk-rule',