feat: improve workflow run observability

backend-fastapi/ai_platform/services/workflow_service.py

@@ -211,6 +211,14 @@ def _resolve_handoff_target(
     return next_nodes[0] if next_nodes else None
 
 
+def _execution_log_event_type(status: Optional[str]) -> str:
+    if status == 'waiting':
+        return 'waiting_input'
+    if status == 'failed':
+        return 'error'
+    return 'node_complete'
+
+
 def _make_execution_log_entry(
     node_map: Dict[str, Any],
     node_id: str,
@@ -219,6 +227,7 @@ def _make_execution_log_entry(
 ) -> dict:
     extra.setdefault('timestamp', datetime.now().isoformat())
     metadata = dict(extra.pop('metadata', {}) or {})
+    event_type = _execution_log_event_type(extra.get('status'))
     collaboration = _node_collaboration_metadata(node_map, node_id, node_type)
     branch_id = extra.get('branch') or extra.get('branch_id')
     branch_label = extra.get('branch_label')
@@ -231,7 +240,7 @@ def _make_execution_log_entry(
         node_map,
         node_id,
         node_type,
-        event_type='node_complete',
+        event_type=event_type,
         status=extra.get('status'),
         branch_id=branch_id,
         branch_label=branch_label,
@@ -2508,6 +2517,13 @@ class AIWorkflowService:
             start_time = time.time()
             result = await node_instance.execute_async(context)
             elapsed = int((time.time() - start_time) * 1000)
+            target_node_id = _resolve_handoff_target(
+                current_node_id,
+                result,
+                edge_map,
+                parallel_edge_map,
+                node_map,
+            )
             
             # 处理节点事件
             if result.events: