feat: 一系列新功能

src/heurams/providers/llm/__init__.py

@@ -1,6 +1,19 @@
 # 大语言模型
 from heurams.services.logger import get_logger
 
+from .base import BaseLLM
+from .openai import OpenAILLM
+
 logger = get_logger(__name__)
 
-logger.debug("LLM providers 模块已加载")
+__all__ = [
+    "BaseLLM",
+    "OpenAILLM",
+]
+
+providers = {
+    "base": BaseLLM,
+    "openai": OpenAILLM,
+}
+
+logger.debug("LLM providers 已注册: %s", list(providers.keys()))