feat(workflow): support human input in loop and iteration (#39243)

Co-authored-by: autofix-ci[bot] <114827586+autofix-ci[bot]@users.noreply.github.com>

api/core/workflow/nodes/agent/runtime_support.py

@@ -21,6 +21,7 @@ from core.workflow.system_variables import SystemVariableKey, get_system_text
 from extensions.ext_database import db
 from graphon.model_runtime.entities.model_entities import AIModelEntity, ModelType
 from graphon.runtime import VariablePool
+from graphon.variables.template_resolution import convert_template
 from models.model import Conversation
 
 from .entities import AgentNodeData, AgentOldVersionModelFeatures, ParamsAutoGenerated
@@ -67,7 +68,7 @@ class AgentRuntimeSupport:
                     except TypeError:
                         parameter_value = str(agent_input.value)
 
-                    segment_group = variable_pool.convert_template(parameter_value)
+                    segment_group = convert_template(variable_pool, parameter_value)
                     parameter_value = segment_group.log if for_log else segment_group.text
                     try:
                         if not isinstance(agent_input.value, str):