Feat/iteration single run time (#10512)

api/core/app/entities/queue_entities.py

@@ -111,6 +111,7 @@ class QueueIterationNextEvent(AppQueueEvent):
     """iteratoin run in parallel mode run id"""
     node_run_index: int
     output: Optional[Any] = None  # output for the current iteration
+    duration: Optional[float] = None
 
     @field_validator("output", mode="before")
     @classmethod
@@ -307,6 +308,8 @@ class QueueNodeSucceededEvent(AppQueueEvent):
     execution_metadata: Optional[dict[NodeRunMetadataKey, Any]] = None
 
     error: Optional[str] = None
+    """single iteration duration map"""
+    iteration_duration_map: Optional[dict[str, float]] = None
 
 
 class QueueNodeInIterationFailedEvent(AppQueueEvent):

api/core/app/entities/task_entities.py

@@ -434,6 +434,7 @@ class IterationNodeNextStreamResponse(StreamResponse):
         parallel_id: Optional[str] = None
         parallel_start_node_id: Optional[str] = None
         parallel_mode_run_id: Optional[str] = None
+        duration: Optional[float] = None
 
     event: StreamEvent = StreamEvent.ITERATION_NEXT
     workflow_run_id: str