feat: 完善报销单审批流程及退回原因追踪

新增直属领导审批通过接口和审批待办列表查询，报销单退回
支持原因码分类和审批环节标记，优化票据附件去重和路径
回退查找，前端新增退回原因对话框、审批收件箱和工作台
图标组件，补充工具函数和单元测试覆盖。

server/src/app/services/ontology.py

@@ -167,11 +167,16 @@ EXPENSE_TYPE_KEYWORDS = {
     "出差": "travel",
     "住宿": "hotel",
     "酒店": "hotel",
-    "交通": "transport",
-    "打车": "transport",
-    "网约车": "transport",
-    "出租车": "transport",
-    "停车费": "transport",
+    "交通": "transport",
+    "打车": "transport",
+    "网约车": "transport",
+    "出租车": "transport",
+    "乘车": "transport",
+    "乘车费": "transport",
+    "用车": "transport",
+    "叫车": "transport",
+    "车资": "transport",
+    "停车费": "transport",
     "餐费": "meal",
     "用餐": "meal",
     "会务": "meeting",
@@ -202,9 +207,14 @@ EXPENSE_NARRATIVE_KEYWORDS = (
     "花了",
     "支出",
     "垫付",
-    "打车",
-    "车费",
-    "餐费",
+    "打车",
+    "车费",
+    "乘车",
+    "乘车费",
+    "用车",
+    "叫车",
+    "车资",
+    "餐费",
     "吃饭",
     "用餐",
     "宴请",
@@ -1190,8 +1200,11 @@ class SemanticOntologyService:
                 )
             )
 
-        if any(keyword in query for keyword in ("打车", "网约车", "出租车", "车费", "停车费", "过路费")):
-            upsert(self._make_entity("expense_type", "交通", "transport", role="filter", confidence=0.9))
+        if any(
+            keyword in query
+            for keyword in ("打车", "网约车", "出租车", "车费", "乘车", "用车", "叫车", "车资", "停车费", "过路费")
+        ):
+            upsert(self._make_entity("expense_type", "交通", "transport", role="filter", confidence=0.9))
 
         if any(keyword in query for keyword in ("出差", "机票", "火车", "高铁", "行程单")):
             upsert(self._make_entity("expense_type", "差旅", "travel", role="filter", confidence=0.88))