Add web session analysis platform with follow-up topics

config/__init__.py

@@ -0,0 +1,8 @@
+# -*- coding: utf-8 -*-
+"""
+配置模块
+"""
+
+from .llm_config import LLMConfig
+
+__all__ = ['LLMConfig']

config/llm_config.py

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+# -*- coding: utf-8 -*-
+"""
+配置管理模块
+"""
+
+import os
+from typing import Dict, Any
+from dataclasses import dataclass, asdict
+
+
+from dotenv import load_dotenv
+
+load_dotenv()
+
+
+@dataclass
+class LLMConfig:
+    """LLM配置"""
+
+    provider: str = "openai"  # openai, anthropic, etc.
+    api_key: str = os.environ.get("OPENAI_API_KEY", "")
+    base_url: str = os.environ.get("OPENAI_BASE_URL", "https://api.openai.com/v1")
+    model: str = os.environ.get("OPENAI_MODEL", "gpt-4o-mini")
+    temperature: float = 0.3
+    max_tokens: int = 131072
+
+    def to_dict(self) -> Dict[str, Any]:
+        """转换为字典"""
+        return asdict(self)
+
+    @classmethod
+    def from_dict(cls, data: Dict[str, Any]) -> "LLMConfig":
+        """从字典创建配置"""
+        return cls(**data)
+
+    def validate(self) -> bool:
+        """验证配置有效性"""
+        if not self.api_key:
+            raise ValueError("OPENAI_API_KEY is required")
+        if not self.base_url:
+            raise ValueError("OPENAI_BASE_URL is required")
+        if not self.model:
+            raise ValueError("OPENAI_MODEL is required")
+        return True