feat: ChatBI自动报告生成—周报/月报/专项

backend/app/models/__init__.py

@@ -435,6 +435,21 @@ class BudgetDeviationAlert(Base):
     created_at = Column(DateTime, server_default=func.now())
 
 
+class ReportHistory(Base):
+    """自动生成的经营分析报告记录"""
+    __tablename__ = "report_history"
+    id = Column(Integer, primary_key=True, index=True)
+    report_type = Column(String(20), nullable=False, comment="weekly/monthly/special")
+    period = Column(String(20), nullable=False, comment="期间: 2026-W30 / 2026-07 / 2026-Q2")
+    title = Column(String(200), nullable=False, comment="报告标题")
+    markdown_content = Column(Text, nullable=True, comment="Markdown格式报告（用于微信推送）")
+    json_content = Column(JSON, nullable=True, comment="JSON结构化数据（写入CMA系统）")
+    status = Column(String(20), default="generated", comment="generated/pushed/failed")
+    trigger_type = Column(String(20), default="manual", comment="manual/scheduled/event")
+    alert_ref = Column(String(50), nullable=True, comment="事件触发时的预警引用")
+    created_at = Column(DateTime, server_default=func.now())
+
+
 class AnalysisResult(Base):
     """财务Bot分析结论 — 带置信度评分"""
     __tablename__ = "analysis_results"