update

backend/app/core/__init__.py

@@ -0,0 +1,3 @@
+from .config import settings, Settings
+
+__all__ = ["settings", "Settings"]

backend/app/core/config.py

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+from pydantic_settings import BaseSettings
+from typing import Optional
+
+
+class Settings(BaseSettings):
+    # DashScope API
+    dashscope_api_key: str = ""
+
+    # Milvus
+    milvus_host: str = "localhost"
+    milvus_port: int = 19530
+
+    # LLM配置
+    llm_model: str = "qwen-max"
+    embedding_model: str = "text-embedding-v3"
+    embedding_dim: int = 1536
+
+    # 检索配置
+    vector_top_k: int = 10
+    bm25_top_k: int = 10
+    final_top_k: int = 5
+
+    # 分块配置
+    chunk_size: int = 800
+    chunk_overlap: int = 50
+
+    # 服务配置
+    api_host: str = "0.0.0.0"
+    api_port: int = 8000
+
+    # Collection名称
+    regulations_collection: str = "vehicle_regulations"
+    compliance_collection: str = "compliance_cache"
+
+    class Config:
+        env_file = ".env"
+        env_file_encoding = "utf-8"
+        case_sensitive = False
+
+
+settings = Settings()