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/views/TravelRequestDetailView.vue

@@ -88,42 +88,24 @@
             <article v-if="!isApplicationDocument" class="detail-card panel">
               <div class="detail-card-head">
                 <div>
-                  <h3>附加说明</h3>
-                  <p>用于说明本次出差或办事目的，例如去哪里、拜访谁、处理什么事项。</p>
+                  <h3>关联单据信息</h3>
+                  <p>展示本次报销关联的前置申请，便于核对申请内容、天数、事由和预计金额。</p>
                 </div>
               </div>
-              <div v-if="canEditDetailNote" class="detail-note-editor">
-                <textarea
-                  v-model="detailNoteEditorView"
-                  maxlength="500"
-                  placeholder="例如：去北京客户现场出差，拜访 XX 客户并处理项目验收事项"
-                  aria-label="附加说明"
-                ></textarea>
-                <div class="detail-note-editor-meta">
-                  <span>仅草稿待提交状态可编辑，提交后将作为明确说明展示。</span>
-                  <div class="detail-note-actions">
-                    <button
-                      v-if="detailNoteDirty"
-                      class="inline-action"
-                      type="button"
-                      :disabled="savingDetailNote"
-                      @click="resetDetailNote"
-                    >
-                      恢复
-                    </button>
-                    <button
-                      class="inline-action primary"
-                      type="button"
-                      :disabled="!detailNoteDirty || savingDetailNote"
-                      @click="saveDetailNote"
-                    >
-                      {{ savingDetailNote ? '保存中' : '保存说明' }}
-                    </button>
-                  </div>
+              <div v-if="relatedApplicationFactItems.length" class="application-detail-facts related-application-facts">
+                <div
+                  v-for="item in relatedApplicationFactItems"
+                  :key="item.key"
+                  class="application-detail-fact related-application-fact"
+                  :class="{ highlight: item.highlight, emphasis: item.emphasis }"
+                >
+                  <span>{{ item.label }}</span>
+                  <strong>{{ item.value }}</strong>
                 </div>
               </div>
-              <div v-else class="detail-note readonly">
-                <p>{{ detailNote }}</p>
+              <div v-else class="related-application-empty">
+                <strong>暂未识别到关联申请单</strong>
+                <p>差旅报销应先关联已审批的申请单，请核对本单据是否由申请单生成或已在智能录入中完成关联。</p>
               </div>
             </article>
             <article class="detail-card panel">
@@ -475,6 +457,10 @@
                 </section>
               </div>
             </article>
+            <RiskObservationEvidenceCard
+              v-if="request.claimId"
+              :claim-id="request.claimId"
+            />
             <EmployeeProfileRiskCard
               v-if="showEmployeeRiskProfile"
               :profile="employeeRiskProfile"