feat: add rag backend and review access fixes

fastapi_modules/fastapi_leaudit/models/leauditRagConversation.py

@@ -0,0 +1,17 @@
+from __future__ import annotations
+
+from sqlalchemy import BigInteger, String, Text
+from sqlalchemy.orm import Mapped, mapped_column
+
+from fastapi_common.fastapi_common_web.models import BaseModel
+
+
+class LeauditRagConversation(BaseModel):
+    __tablename__ = "rag_conversation"
+
+    Id: Mapped[int] = mapped_column("id", BigInteger, primary_key=True, autoincrement=True)
+    conversationId: Mapped[str] = mapped_column("conversation_id", String(100), unique=True)
+    userId: Mapped[int] = mapped_column("user_id", BigInteger)
+    appId: Mapped[int | None] = mapped_column("app_id", BigInteger)
+    name: Mapped[str] = mapped_column(String(500), default="新对话")
+    introduction: Mapped[str] = mapped_column(Text, default="")