major update

app/models/sentiment.py

@@ -1,6 +1,6 @@
 from datetime import datetime
 
-from sqlalchemy import DateTime, ForeignKey, Integer, String
+from sqlalchemy import DateTime, ForeignKey, Integer, String, Text
 from sqlalchemy.orm import Mapped, mapped_column, relationship
 
 from app.database import Base
@@ -20,4 +20,7 @@ class SentimentScore(Base):
         DateTime(timezone=True), nullable=False
     )
 
+    reasoning: Mapped[str] = mapped_column(Text, nullable=False, default="")
+    citations_json: Mapped[str] = mapped_column(Text, nullable=False, default="[]")
+
     ticker = relationship("Ticker", back_populates="sentiment_scores")