添加ai日志

app/models/pg/ai_call_log.py

@@ -0,0 +1,22 @@
+"""PostgreSQL: ai_call_log 表模型"""
+
+from datetime import datetime
+from typing import Optional
+
+from sqlalchemy import BigInteger, DateTime, String, Text
+from sqlalchemy.orm import Mapped, mapped_column
+
+from app.core.database import PgBase
+
+
+class AiCallLog(PgBase):
+    """AI 调用日志表"""
+
+    __tablename__ = "ai_call_log"
+
+    id: Mapped[int] = mapped_column(BigInteger, primary_key=True, comment="主键ID(雪花)")
+    scene: Mapped[str] = mapped_column(String(32), nullable=False, comment="场景标识: structure/major_match/skill_extract/company_enrich")
+    system_prompt: Mapped[str] = mapped_column(Text, nullable=False, comment="系统提示词")
+    user_message: Mapped[str] = mapped_column(Text, nullable=False, comment="发给AI的用户消息")
+    response: Mapped[Optional[str]] = mapped_column(Text, comment="AI返回原文")
+    created_at: Mapped[datetime] = mapped_column(DateTime, nullable=False, comment="创建时间")