backend/qkernel/executors/__init__.py

from .chat_executor import ChatExecutor
from .memory_executor import MemoryExecutor
from .tool_executor import ToolExecutor

__all__ = ["ChatExecutor", "MemoryExecutor", "ToolExecutor"]

DEFAULT_EXECUTORS = {
    "chat": ChatExecutor,
    "memory": MemoryExecutor,
    "tool": ToolExecutor,
}