Add per-section TG classifications

src/parser_bot/db/models.py

@@ -119,6 +119,24 @@ class Message(Base):
     channel: Mapped[Channel] = relationship(back_populates="messages")
 
 
+class MessageClassification(Base):
+    __tablename__ = "message_classifications"
+    __table_args__ = (
+        UniqueConstraint("message_id", "section_id", name="uq_message_classification_section"),
+        Index("ix_message_classifications_message", "message_id"),
+        Index("ix_message_classifications_section", "section_id"),
+    )
+
+    id: Mapped[int] = mapped_column(primary_key=True)
+    message_id: Mapped[int] = mapped_column(ForeignKey("messages.id", ondelete="CASCADE"))
+    section_id: Mapped[int] = mapped_column(ForeignKey("sections.id", ondelete="CASCADE"))
+    vertical: Mapped[str] = mapped_column(String(32))
+    verdict: Mapped[dict] = mapped_column(JSONB)
+    updated_at: Mapped[datetime] = mapped_column(
+        DateTime(timezone=True), server_default=func.now()
+    )
+
+
 class AppSetting(Base):
     """Runtime-editable settings, edited from the UI without a restart."""