feat: 报销审批流重构与管家计划全链路贯通

- 重构报销状态注册表、审批流路由与平台风险标记
- 完善管家意图规划器与模型计划构建器全链路
- 新增 OCR Worker 脚本、数据库会话管理与通知状态
- 优化文档中心、日志视图、预算中心与员工管理交互
- 增强工作台摘要、图标资源与全局主题样式
- 补充审批路由、状态注册、OCR 服务与管家规划器测试覆盖

web/src/assets/styles/views/travel-reimbursement-create-view.css

@@ -619,10 +619,13 @@
 .assistant-layout {
   min-height: 0;
   flex: 1;
+  height: 100%;
+  max-height: 100%;
   display: flex;
   padding: clamp(12px, 1.5vw, 16px);
   align-items: stretch;
   gap: clamp(12px, 1.5vw, 16px);
+  overflow: hidden;
 }
 
 .dialog-panel,
@@ -641,8 +644,11 @@
 
 .dialog-panel {
   flex: 1 1 auto;
-  display: grid;
-  grid-template-rows: auto minmax(0, 1fr) auto;
+  display: flex;
+  flex-direction: column;
+  height: 100%;
+  max-height: 100%;
+  min-height: 0;
   overflow: hidden;
   background: #ffffff;
   transition:
@@ -671,6 +677,7 @@
 }
 
 .dialog-toolbar {
+  flex: 0 0 auto;
   display: flex;
   align-items: center;
   gap: 10px;
@@ -766,12 +773,15 @@
 }
 
 .message-list {
+  flex: 1 1 0;
   min-height: 0;
+  max-height: 100%;
   display: grid;
   align-content: start;
   gap: 14px;
   padding: 18px;
   overflow-y: auto;
+  overscroll-behavior: contain;
 }
 
 .message-row.user .message-avatar {
@@ -1918,6 +1928,13 @@
   padding: 0 18px 18px;
   display: grid;
   gap: 12px;
+  position: sticky;
+  bottom: 0;
+  z-index: 20;
+  flex: 0 0 auto;
+  flex-shrink: 0;
+  background: #ffffff;
+  box-shadow: 0 -10px 22px rgba(248, 250, 252, 0.92);
 }
 
 .hidden-file-input {
@@ -1994,3 +2011,37 @@
   font-size: 13px;
   font-weight: 900;
 }
+
+.message-row-reveal-enter-active {
+  transition: opacity 300ms cubic-bezier(0.2, 0.8, 0.2, 1), transform 350ms cubic-bezier(0.2, 0.8, 0.2, 1);
+}
+
+.message-row-reveal-enter-from {
+  opacity: 0;
+  transform: translateY(16px) scale(0.98);
+}
+
+.message-row-reveal-enter-to {
+  opacity: 1;
+  transform: translateY(0) scale(1);
+}
+
+.message-row-reveal-leave-active {
+  transition: opacity 200ms ease, transform 200ms ease;
+  position: absolute;
+  width: 100%;
+}
+
+.message-row-reveal-leave-from {
+  opacity: 1;
+  transform: translateY(0) scale(1);
+}
+
+.message-row-reveal-leave-to {
+  opacity: 0;
+  transform: translateY(-10px) scale(0.98);
+}
+
+.message-row-reveal-move {
+  transition: transform 350ms cubic-bezier(0.2, 0.8, 0.2, 1);
+}