feat: 增强风险规则生成引擎与预算中心页面

后端拆分风险规则生成为解释器、语义分析、本体对齐等子模块，
优化模板执行和流程图生成，完善员工种子数据和导入逻辑，增强
报销单权限策略和草稿持久化，前端新增预算中心视图和趋势图
组件，重构审计页面和风险规则测试对话框交互，完善文档中心
和报销创建页面细节，补充单元测试覆盖。

web/src/assets/styles/views/travel-request-detail-view.css

@@ -180,7 +180,7 @@
 
 .hero-fact-grid {
   display: grid;
-  grid-template-columns: repeat(5, minmax(0, 1fr));
+  grid-template-columns: minmax(240px, 1.25fr) repeat(3, minmax(0, 1fr));
   gap: 0;
 }
 
@@ -216,13 +216,20 @@
 }
 
 .hero-fact strong {
+  min-width: 0;
+  max-width: 100%;
   color: #0f172a;
   font-size: 16px;
   font-weight: 800;
   line-height: 1.4;
+  overflow-wrap: anywhere;
   white-space: nowrap;
 }
 
+.hero-fact:first-child strong {
+  font-size: 15px;
+}
+
 .hero-fact strong.amount {
   font-size: 22px;
   font-weight: 900;
@@ -489,6 +496,20 @@
   margin-bottom: 4px;
 }
 
+.detail-card-title-with-icon {
+  display: inline-flex;
+  align-items: center;
+  gap: 8px;
+  line-height: 1.5;
+}
+
+.detail-card-title-with-icon i {
+  margin-top: 1px;
+  color: #334155;
+  font-size: 18px;
+  line-height: 1;
+}
+
 .detail-card-head p {
   color: #64748b;
   font-size: 12px;
@@ -571,6 +592,70 @@
   white-space: pre-wrap;
 }
 
+.application-detail-facts {
+  display: grid;
+  grid-template-columns: repeat(2, minmax(0, 1fr));
+  margin-top: 4px;
+  overflow: hidden;
+  border: 1px solid #e2e8f0;
+  border-radius: 8px;
+  background: #fff;
+}
+
+.application-detail-fact {
+  display: grid;
+  grid-template-columns: minmax(96px, 28%) minmax(0, 1fr);
+  min-height: 48px;
+  border-top: 1px solid #edf2f7;
+  border-left: 1px solid #edf2f7;
+}
+
+.application-detail-fact:nth-child(-n + 2) {
+  border-top: 0;
+}
+
+.application-detail-fact:nth-child(2n + 1) {
+  border-left: 0;
+}
+
+.application-detail-fact span,
+.application-detail-fact strong {
+  display: flex;
+  align-items: center;
+  min-width: 0;
+  padding: 11px 14px;
+  line-height: 1.5;
+}
+
+.application-detail-fact span {
+  background: #f8fafc;
+  color: #64748b;
+  font-size: 12px;
+  font-weight: 800;
+}
+
+.application-detail-fact strong {
+  border-left: 1px solid #edf2f7;
+  color: #0f172a;
+  font-size: 13px;
+  font-weight: 750;
+  overflow-wrap: anywhere;
+}
+
+.application-detail-fact.highlight span {
+  background: #eefcf6;
+  color: #047857;
+}
+
+.application-detail-fact.highlight strong {
+  background: #f6fef9;
+}
+
+.application-detail-fact.emphasis strong {
+  color: #047857;
+  font-weight: 850;
+}
+
 .detail-note-editor {
   display: grid;
   gap: 10px;
@@ -640,6 +725,54 @@
   font-weight: 850;
 }
 
+
+.application-leader-opinion {
+  display: grid;
+  gap: 10px;
+  margin-top: 12px;
+}
+
+.application-leader-opinion-head {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  gap: 12px;
+  color: #475569;
+  font-size: 14px;
+  line-height: 1.5;
+}
+
+.application-leader-opinion-head span {
+  display: inline-flex;
+  align-items: center;
+  gap: 8px;
+  color: #0f172a;
+  font-weight: 850;
+  font-size: 16px;
+}
+
+.application-leader-opinion-head span i {
+  margin-top: 1px;
+  color: #334155;
+  font-size: 18px;
+}
+
+.application-leader-opinion-head strong {
+  color: #047857;
+  font-weight: 800;
+  font-size: 14px;
+}
+
+.inline-leader-opinion {
+  padding: 0;
+  border: 0;
+  background: transparent;
+}
+
+.application-leader-opinion-display {
+  min-height: 64px;
+}
+
 .detail-expense-table {
   min-width: 0;
   overflow-x: auto;