完善模型测试与参考文件历史能力

backend/models/ai_model.py

@@ -1,4 +1,4 @@
-from sqlalchemy import Column, Integer, String, Text, DateTime, func
+from sqlalchemy import Boolean, Column, Integer, String, Text, DateTime, func
 from database import Base
 
 class AiModel(Base):
@@ -9,6 +9,8 @@ class AiModel(Base):
     api_format = Column(String(20), default="openai", comment="anthropic/openai")
     api_endpoint = Column(String(500), default="", comment="API接口地址")
     api_key_encrypted = Column(Text, default="", comment="加密后的API Key")
+    supports_streaming = Column(Boolean, default=False, comment="是否支持流式传输")
+    enable_reasoning = Column(Boolean, default=False, comment="是否开启思考模式")
     status = Column(String(20), default="enabled", comment="enabled/disabled")
     created_at = Column(DateTime, server_default=func.now())
     updated_at = Column(DateTime, server_default=func.now(), onupdate=func.now())

backend/models/reference_file.py

@@ -0,0 +1,17 @@
+from datetime import datetime
+
+from sqlalchemy import DateTime, Integer, String, func
+from sqlalchemy.orm import Mapped, mapped_column
+
+from database import Base
+
+
+class ReferenceFile(Base):
+    __tablename__ = "reference_files"
+
+    id: Mapped[int] = mapped_column(Integer, primary_key=True, autoincrement=True)
+    file_name: Mapped[str] = mapped_column(String(255), default="", comment="原始文件名")
+    file_path: Mapped[str] = mapped_column(String(500), default="", comment="MinIO 对象路径")
+    file_size: Mapped[int] = mapped_column(Integer, default=0, comment="文件大小")
+    content_type: Mapped[str] = mapped_column(String(120), default="", comment="文件类型")
+    created_at: Mapped[datetime] = mapped_column(DateTime, server_default=func.now())