优化情报分栏和日报展示

app/db/models.py

@@ -44,6 +44,7 @@ class Signal(Base):
 
     id: Mapped[int] = mapped_column(Integer, primary_key=True)
     run_id: Mapped[int] = mapped_column(ForeignKey("agent_runs.id"), nullable=False, index=True)
+    source_type: Mapped[str] = mapped_column(String(20), nullable=False, default="news", index=True)
     topic: Mapped[str] = mapped_column(String(120), nullable=False, index=True)
     title: Mapped[str] = mapped_column(String(300), nullable=False)
     summary: Mapped[str] = mapped_column(Text, nullable=False)

app/db/repository.py

@@ -57,6 +57,7 @@ class AgentRepository:
         if existing and existing.run_id != run.id:
             return None
         if existing:
+            existing.source_type = item.source_type
             existing.topic = item.topic
             existing.title = item.title
             existing.summary = item.summary
@@ -68,6 +69,7 @@ class AgentRepository:
             return existing
         signal = Signal(
             run_id=run.id,
+            source_type=item.source_type,
             topic=item.topic,
             title=item.title,
             summary=item.summary,