feat: 添加队列监控功能，支持手动触发和监控间隔设置，增强任务处理能力

workflow_service/routes/monitor.py

@@ -465,3 +465,48 @@ async def health_check() -> Dict[str, Any]:
             "timestamp": datetime.now().isoformat(),
             "error": str(e)
         }
+
+@monitor_router.get("/queue/status")
+async def get_queue_status():
+    """获取队列状态"""
+    try:
+        status = await queue_manager.get_queue_status()
+        return {
+            "success": True,
+            "data": status,
+            "timestamp": datetime.now().isoformat()
+        }
+    except Exception as e:
+        logger.error(f"获取队列状态失败: {e}")
+        raise HTTPException(status_code=500, detail=f"获取队列状态失败: {str(e)}")
+
+@monitor_router.post("/queue/trigger")
+async def trigger_queue_processing():
+    """手动触发队列处理"""
+    try:
+        await queue_manager.trigger_queue_processing()
+        return {
+            "success": True,
+            "message": "队列处理已手动触发",
+            "timestamp": datetime.now().isoformat()
+        }
+    except Exception as e:
+        logger.error(f"手动触发队列处理失败: {e}")
+        raise HTTPException(status_code=500, detail=f"手动触发队列处理失败: {str(e)}")
+
+@monitor_router.post("/queue/interval")
+async def set_monitor_interval(interval: int):
+    """设置队列监控间隔"""
+    try:
+        if interval < 1:
+            raise HTTPException(status_code=400, detail="监控间隔不能小于1秒")
+        
+        await queue_manager.set_monitor_interval(interval)
+        return {
+            "success": True,
+            "message": f"队列监控间隔已设置为 {interval} 秒",
+            "timestamp": datetime.now().isoformat()
+        }
+    except Exception as e:
+        logger.error(f"设置监控间隔失败: {e}")
+        raise HTTPException(status_code=500, detail=f"设置监控间隔失败: {str(e)}")