Feature/newnew workflow loop node (#14863)

Co-authored-by: arkunzz <4873204@qq.com>

api/core/workflow/callbacks/workflow_logging_callback.py

@@ -11,6 +11,10 @@ from core.workflow.graph_engine.entities.event import (
     IterationRunNextEvent,
     IterationRunStartedEvent,
     IterationRunSucceededEvent,
+    LoopRunFailedEvent,
+    LoopRunNextEvent,
+    LoopRunStartedEvent,
+    LoopRunSucceededEvent,
     NodeRunFailedEvent,
     NodeRunStartedEvent,
     NodeRunStreamChunkEvent,
@@ -62,6 +66,12 @@ class WorkflowLoggingCallback(WorkflowCallback):
             self.on_workflow_iteration_next(event=event)
         elif isinstance(event, IterationRunSucceededEvent | IterationRunFailedEvent):
             self.on_workflow_iteration_completed(event=event)
+        elif isinstance(event, LoopRunStartedEvent):
+            self.on_workflow_loop_started(event=event)
+        elif isinstance(event, LoopRunNextEvent):
+            self.on_workflow_loop_next(event=event)
+        elif isinstance(event, LoopRunSucceededEvent | LoopRunFailedEvent):
+            self.on_workflow_loop_completed(event=event)
         else:
             self.print_text(f"\n[{event.__class__.__name__}]", color="blue")
 
@@ -160,6 +170,8 @@ class WorkflowLoggingCallback(WorkflowCallback):
         self.print_text(f"Branch ID: {event.parallel_start_node_id}", color="blue")
         if event.in_iteration_id:
             self.print_text(f"Iteration ID: {event.in_iteration_id}", color="blue")
+        if event.in_loop_id:
+            self.print_text(f"Loop ID: {event.in_loop_id}", color="blue")
 
     def on_workflow_parallel_completed(
         self, event: ParallelBranchRunSucceededEvent | ParallelBranchRunFailedEvent
@@ -182,6 +194,8 @@ class WorkflowLoggingCallback(WorkflowCallback):
         self.print_text(f"Branch ID: {event.parallel_start_node_id}", color=color)
         if event.in_iteration_id:
             self.print_text(f"Iteration ID: {event.in_iteration_id}", color=color)
+        if event.in_loop_id:
+            self.print_text(f"Loop ID: {event.in_loop_id}", color=color)
 
         if isinstance(event, ParallelBranchRunFailedEvent):
             self.print_text(f"Error: {event.error}", color=color)
@@ -213,6 +227,31 @@ class WorkflowLoggingCallback(WorkflowCallback):
         )
         self.print_text(f"Node ID: {event.iteration_id}", color="blue")
 
+    def on_workflow_loop_started(self, event: LoopRunStartedEvent) -> None:
+        """
+        Publish loop started
+        """
+        self.print_text("\n[LoopRunStartedEvent]", color="blue")
+        self.print_text(f"Loop Node ID: {event.loop_id}", color="blue")
+
+    def on_workflow_loop_next(self, event: LoopRunNextEvent) -> None:
+        """
+        Publish loop next
+        """
+        self.print_text("\n[LoopRunNextEvent]", color="blue")
+        self.print_text(f"Loop Node ID: {event.loop_id}", color="blue")
+        self.print_text(f"Loop Index: {event.index}", color="blue")
+
+    def on_workflow_loop_completed(self, event: LoopRunSucceededEvent | LoopRunFailedEvent) -> None:
+        """
+        Publish loop completed
+        """
+        self.print_text(
+            "\n[LoopRunSucceededEvent]" if isinstance(event, LoopRunSucceededEvent) else "\n[LoopRunFailedEvent]",
+            color="blue",
+        )
+        self.print_text(f"Node ID: {event.loop_id}", color="blue")
+
     def print_text(self, text: str, color: Optional[str] = None, end: str = "\n") -> None:
         """Print text with highlighting and no end characters."""
         text_to_print = self._get_colored_text(text, color) if color else text