| """跨模块依赖注入 - 隔离 cases 模块对其他 app 的导入.""" | |
| from __future__ import annotations | |
| from typing import TYPE_CHECKING, cast | |
| if TYPE_CHECKING: | |
| from apps.automation.services.chat.factory import ChatProviderFactory | |
| from apps.core.dto.chat import MessageContent | |
| from apps.documents.services.placeholders import EnhancedContextBuilder | |
| def get_chat_provider_factory() -> type[ChatProviderFactory]: | |
| """获取群聊提供者工厂类""" | |
| from apps.automation.services.chat.factory import ChatProviderFactory | |
| return cast(type[ChatProviderFactory], ChatProviderFactory) | |
| def create_message_content(*, title: str, text: str, file_path: str | None = None) -> MessageContent: | |
| """创建消息内容实例""" | |
| from apps.automation.services.chat.base import MessageContent | |
| return MessageContent(title=title, text=text, file_path=file_path) | |
| def get_enhanced_context_builder() -> EnhancedContextBuilder: | |
| """获取增强上下文构建器实例""" | |
| from apps.documents.services.placeholders import EnhancedContextBuilder | |
| return EnhancedContextBuilder() | |