bugfix: remove sys_prompt from prompt

src/workflows/executors.py

@@ -205,8 +205,8 @@ def execute_model_step(
     processed_inputs = create_processed_inputs(model_step, available_vars)
 
     # Construct the input prompt for the model
-    input_str = ", ".join(f"{k}={v}" for k, v in processed_inputs.items())
-    step_result = f"{model_step.system_prompt} | Inputs: {input_str}"
+    input_str = "\n".join(f"{k}: {v}" for k, v in processed_inputs.items())
+    step_result = f"Inputs: \n{input_str}"
 
     # Define the expected output fields and their types
     fields = {