feat: 新增预算费控模型与报销审批流引擎

后端新增预算费控服务和报销单审批流模块，引入申请人费用画像
算法，优化知识库 RAG 运行时和同步逻辑，完善报销单工作流常
量和明细同步，更新差旅报销规则电子表格，前端新增预算分析
组件和数字员工模型，完善审批对话框和洞察面板交互，优化侧
边栏和顶栏样式，补充单元测试。

web/src/assets/styles/views/documents-center-view.css

@@ -420,7 +420,7 @@
 
 table {
   width: 100%;
-  min-width: 1320px;
+  min-width: 1420px;
   border-collapse: collapse;
   table-layout: fixed;
 }
@@ -429,8 +429,9 @@ table {
 .col-created { width: 10%; }
 .col-stay { width: 9%; }
 .col-doc-type { width: 9%; }
-.col-scene { width: 10%; }
-.col-title { width: 18%; }
+.col-scene { width: 9%; }
+.col-initiator { width: 8%; }
+.col-title { width: 16%; }
 .col-amount { width: 9%; }
 .col-node { width: 12%; }
 .col-status { width: 8%; }

web/src/assets/styles/views/logs-view.css

@@ -85,6 +85,7 @@
 }
 
 .console-toolbar {
+  --logs-filter-control-height: 38px;
   display: grid;
   grid-template-columns: minmax(220px, 1.35fr) repeat(2, minmax(138px, 0.7fr)) auto;
   gap: 10px;
@@ -103,9 +104,9 @@
 }
 
 .field-input {
-  min-height: 38px;
+  min-height: var(--logs-filter-control-height);
   border: 1px solid #d8e1eb;
-  border-radius: 8px;
+  border-radius: 4px;
   background: #fff;
 }
 
@@ -130,10 +131,38 @@
   outline: none;
 }
 
+.console-toolbar :deep(.enterprise-select) {
+  width: 100%;
+}
+
+.console-toolbar :deep(.el-select__wrapper) {
+  min-height: var(--logs-filter-control-height);
+  height: var(--logs-filter-control-height);
+  padding: 0 12px;
+  border-radius: 4px;
+  box-shadow: 0 0 0 1px #d8e1eb inset;
+}
+
+.console-toolbar :deep(.el-select__wrapper:hover) {
+  box-shadow: 0 0 0 1px #b8c2d2 inset;
+}
+
+.console-toolbar :deep(.el-select__wrapper.is-focused) {
+  box-shadow:
+    0 0 0 1px var(--theme-primary) inset,
+    0 0 0 3px var(--theme-focus-ring);
+}
+
+.console-toolbar :deep(.el-select__placeholder),
+.console-toolbar :deep(.el-select__selected-item) {
+  font-size: 13px;
+  line-height: var(--logs-filter-control-height);
+}
+
 .toolbar-btn {
-  min-height: 38px;
+  min-height: var(--logs-filter-control-height);
   padding: 0 14px;
-  border-radius: 8px;
+  border-radius: 4px;
   border: 1px solid #d8e1eb;
   font-size: 13px;
   font-weight: 700;

web/src/assets/styles/views/policies-view.css

@@ -36,12 +36,12 @@
   overflow: hidden;
 }
 
-.panel-title {
-  display: flex;
-  align-items: flex-start;
-  justify-content: space-between;
-  gap: 16px;
-}
+.panel-title {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  gap: 16px;
+}
 
 .panel-title h2,
 .preview-head h2 {
@@ -86,9 +86,17 @@
   background: transparent;
 }
 
-.file-search input:focus {
-  outline: none;
-}
+.file-search input:focus {
+  outline: none;
+}
+
+.panel-tools {
+  min-width: min(470px, 100%);
+  display: flex;
+  align-items: center;
+  justify-content: flex-end;
+  gap: 10px;
+}
 
 .library-body {
   min-height: 0;
@@ -101,11 +109,11 @@
 .folder-rail {
   min-height: 0;
   display: grid;
-  grid-template-rows: minmax(0, 1fr) auto;
+  grid-template-rows: minmax(0, 1fr);
   gap: 12px;
-  border-right: 1px solid #edf2f7;
-  padding-right: 12px;
-}
+  border-right: 1px solid #edf2f7;
+  padding-right: 12px;
+}
 
 .folder-tree {
   min-height: 0;
@@ -148,45 +156,38 @@
   font-size: 11px;
 }
 
-.folder-sync-block {
-  display: grid;
-  gap: 8px;
-}
-
-.new-folder-btn {
+.knowledge-sync-btn {
   min-height: 36px;
   display: inline-flex;
-  align-items: center;
-  justify-content: center;
-  gap: 8px;
-  border: 1px solid rgba(var(--theme-primary-rgb), .28);
-  border-radius: 8px;
-  background: var(--theme-primary-light-9);
-  color: var(--theme-primary-active);
-  font-size: 13px;
-  font-weight: 850;
-}
-
-.new-folder-btn.fixed {
-  border-color: rgba(148, 163, 184, 0.3);
-  background: #f8fafc;
-  color: #64748b;
-}
-
-.knowledge-sync-btn:not(:disabled) {
+  align-items: center;
+  justify-content: center;
+  gap: 7px;
+  padding: 0 14px;
+  border: 1px solid #1d4ed8;
+  border-radius: 8px;
+  background: #2563eb;
+  color: #fff;
+  font-size: 13px;
+  font-weight: 850;
+  white-space: nowrap;
+  box-shadow: 0 8px 18px rgba(37, 99, 235, 0.18);
   cursor: pointer;
+  transition: background 160ms ease, border-color 160ms ease, box-shadow 160ms ease, transform 160ms ease;
 }
 
-.knowledge-sync-btn:not(:disabled):hover {
-  border-color: rgba(var(--theme-primary-rgb), 0.38);
-  background: var(--theme-primary-light-9);
-  color: var(--theme-primary-active);
+.knowledge-sync-btn:hover:not(:disabled) {
+  border-color: #1e40af;
+  background: #1d4ed8;
+  box-shadow: 0 10px 22px rgba(37, 99, 235, 0.24);
+  transform: translateY(-1px);
 }
 
-.folder-sync-meta {
+.knowledge-sync-btn:disabled {
+  cursor: not-allowed;
+  border-color: #cbd5e1;
+  background: #e2e8f0;
   color: #64748b;
-  font-size: 12px;
-  line-height: 1.6;
+  box-shadow: none;
 }
 
 .document-area {
@@ -1179,6 +1180,12 @@ th {
     align-items: stretch;
   }
 
+  .panel-tools,
+  .file-search,
+  .knowledge-sync-btn {
+    width: 100%;
+  }
+
   .summary-grid,
   .list-foot {
     grid-template-columns: 1fr;

web/src/assets/styles/views/settings-view-form.css

@@ -99,7 +99,8 @@
   font-style: normal;
 }
 
-.field input {
+.field input,
+.field :deep(.el-select__wrapper) {
   width: 100%;
   min-height: 44px;
   padding: 0 14px;
@@ -116,7 +117,8 @@
   color: #94a3b8;
 }
 
-.field input:focus {
+.field input:focus,
+.field :deep(.el-select__wrapper.is-focused) {
   outline: none;
   border-color: var(--theme-primary);
   box-shadow: 0 0 0 3px var(--theme-focus-ring);