from __future__ import annotations from pydantic import BaseModel from api.services.workflow.node_specs._base import PropertyType from api.services.workflow.node_specs.model_spec import spec_field class BaseNodeData(BaseModel): name: str = spec_field( ..., min_length=1, ui_type=PropertyType.string, display_name="Name", description="Short identifier shown in the canvas and call logs.", required=True, ) is_start: bool = spec_field(default=False, spec_exclude=True) is_end: bool = spec_field(default=False, spec_exclude=True)