feat(xispeak): 新增删除单个流程实例接口

提供按 processInstId 删除单个流程的能力，区别于 withDrawXiSpeak
的批量删除整个业务表单下的所有流程。

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

jeecg-module-supervision/src/main/java/org/jeecg/modules/bg/xispeak/controller/BgXiSpeakController.java

@@ -281,6 +281,24 @@ public class BgXiSpeakController extends JeecgController<BgXiSpeak, IBgXiSpeakSe
 		 return Result.error("id为" + id + "的xispeak表单删除相关流程失败");
 	 }
 
+	 /**
+	  * 删除单个流程实例
+	  * @param processInstId 流程实例ID
+	  * @return
+	  */
+	 @AutoLog(value = "删除单个流程实例")
+	 @Operation(summary="删除单个流程实例")
+	 @PostMapping(value = "/deleteSingleProcess")
+	 public Result<String> deleteSingleProcess(@RequestParam("processInstId") String processInstId) {
+		 if (oConvertUtils.isEmpty(processInstId)) {
+			 return Result.error("流程实例ID不能为空");
+		 }
+		 if (bgXiSpeakService.deleteSingleProcess(processInstId)) {
+			 return Result.OK("删除流程成功");
+		 }
+		 return Result.error("删除流程失败");
+	 }
+
 	/**
 	 *   通过id删除
 	 *

jeecg-module-supervision/src/main/java/org/jeecg/modules/bg/xispeak/service/IBgXiSpeakService.java

@@ -82,6 +82,8 @@ public interface IBgXiSpeakService extends IService<BgXiSpeak> {
 
     boolean withDrawXiSpeak(String id);
 
+    boolean deleteSingleProcess(String processInstId);
+
     List<BgXiSpeak> getRootListWithDept(String pid);
 
     void checkAndMarkCompletedByProcessInstId(String processInstanceId);

jeecg-module-supervision/src/main/java/org/jeecg/modules/bg/xispeak/service/impl/BgXiSpeakServiceImpl.java

@@ -280,6 +280,30 @@ public class BgXiSpeakServiceImpl extends ServiceImpl<BgXiSpeakMapper, BgXiSpeak
     }
 
 
+    @Override
+    @Transactional(rollbackFor = Exception.class)
+    public boolean deleteSingleProcess(String processInstId) {
+        LambdaQueryWrapper<TaskTask> queryWrapper = new LambdaQueryWrapper<TaskTask>()
+                .eq(TaskTask::getProcessInstId, processInstId)
+                .last("for update");
+        TaskTask taskTask = taskTaskServiceImpl.getOne(queryWrapper, false);
+        if (taskTask == null) {
+            log.warn("删除单个流程时未找到关联的tasktask记录, processInstId: {}", processInstId);
+            return false;
+        }
+        long count = runtimeService.createProcessInstanceQuery()
+                .processInstanceId(processInstId)
+                .count();
+        if (count > 0) {
+            runtimeService.deleteProcessInstance(processInstId, "删除单个流程");
+            log.info("成功中止运行中的流程实例: {}", processInstId);
+        }
+        LambdaQueryWrapper<TaskTask> deleteWrapper = new LambdaQueryWrapper<TaskTask>()
+                .eq(TaskTask::getProcessInstId, processInstId);
+        taskTaskServiceImpl.remove(deleteWrapper);
+        return true;
+    }
+
     public List<BgXiSpeak> getRootListWithDept(String pid) {
 
         // 1. 这里的参数 pid 实际是前端传过来的部门逗号拼接字符串，将其清洗并转换为 Set