"""工具层：注册表与内置工具。

``registry`` 是工具的唯一事实源；业务工具在 ``tools/`` 下新增模块并用
``@register`` 标声明，再挂到 ``registry._BUILTIN_MODULES`` 里即可生效。
"""

from tools.registry import (
    describe,
    get_all_tool_functions,
    get_group_map,
    get_label,
    get_spec,
    get_tool_names,
    load_builtin_tools,
    register,
    register_external,
    source,
    sourced,
)

__all__ = [
    "describe",
    "get_all_tool_functions",
    "get_group_map",
    "get_label",
    "get_spec",
    "get_tool_names",
    "load_builtin_tools",
    "register",
    "register_external",
    "source",
    "sourced",
]