Add Judge model for championships

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

backend/app/models/__init__.py

@@ -8,6 +8,7 @@ from app.models.discipline import Discipline
 from app.models.style import Style
 from app.models.fee import Fee
 from app.models.rule import Rule
+from app.models.judge import Judge
 
 __all__ = [
     "User",
@@ -21,4 +22,5 @@ __all__ = [
     "Style",
     "Fee",
     "Rule",
+    "Judge",
 ]

backend/app/models/judge.py

@@ -0,0 +1,22 @@
+import uuid
+from datetime import datetime
+
+from sqlalchemy import DateTime, ForeignKey, Integer, String, Text, Uuid, func
+from sqlalchemy.orm import Mapped, mapped_column, relationship
+
+from app.database import Base
+
+
+class Judge(Base):
+    __tablename__ = "judges"
+
+    id: Mapped[uuid.UUID] = mapped_column(Uuid(as_uuid=True), primary_key=True, default=uuid.uuid4)
+    championship_id: Mapped[uuid.UUID] = mapped_column(Uuid(as_uuid=True), ForeignKey("championships.id", ondelete="CASCADE"), nullable=False)
+    name: Mapped[str] = mapped_column(String(255), nullable=False)
+    instagram: Mapped[str | None] = mapped_column(String(255))
+    bio: Mapped[str | None] = mapped_column(Text)
+    photo_url: Mapped[str | None] = mapped_column(String(2048))
+    sort_order: Mapped[int] = mapped_column(Integer, default=0)
+    created_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), server_default=func.now())
+
+    championship: Mapped["Championship"] = relationship(back_populates="judges_list")  # type: ignore[name-defined]