docs(fleet): 校正矩阵重叠异常示例

changelogs-v2/2026-07/74_4933_车务矩阵图例与空闲格直接派单-前端待处理.md

@@ -87,12 +87,12 @@
 
 ```json
 {
-  "vehicleId": 100,
+  "id": "100",
   "assignments": [],
   "overlaps": [
     {
-      "firstAssignmentGroupId": 1001,
-      "secondAssignmentGroupId": 1002,
+      "firstAssignmentGroupId": "1001",
+      "secondAssignmentGroupId": "1002",
       "overlapStartDate": "2026-05-03",
       "overlapEndDate": "2026-05-04",
       "code": "ACTIVE_ASSIGNMENT_OVERLAP",